* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
[not found] ` <54EB253F.9020704@candw.ms>
@ 2015-02-23 17:43 ` Julian Margetson
2015-02-24 11:12 ` Julian Margetson
0 siblings, 1 reply; 7+ messages in thread
From: Julian Margetson @ 2015-02-23 17:43 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 12670 bytes --]
On 2/23/2015 9:03 AM, Julian Margetson wrote:
> On 2/18/2015 10:56 PM, Michael Ellerman wrote:
>> On Wed, 2015-02-18 at 21:36 -0400, Julian Margetson wrote:
>>> On 2/18/2015 8:13 PM, Michael Ellerman wrote:
>>>
>>>> On Wed, 2015-02-18 at 15:45 -0400, Julian Margetson wrote:
>>>>> On 2/15/2015 8:18 PM, Michael Ellerman wrote:
>>>>>
>>>>>> On Sun, 2015-02-15 at 08:16 -0400, Julian Margetson wrote:
>>>>>>> Hi
>>>>>>>
>>>>>>> I am unable to get any kernel beyond the 3.16 branch working on an
>>>>>>> Acube Sam460ex
>>>>>>> AMCC 460ex based motherboard. Kernel up 3.16.7-ckt6 working.
>>>>>> Does reverting b0345bbc6d09 change anything?
>>>>>>
>>>>>>> [ 6.364350] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>> [ 6.453794] snd_hda_intel 0001:81:00.1: ppc4xx_setup_msi_irqs: fail mapping irq
>>>>>>> [ 6.487530] Unable to handle kernel paging request for data at address 0x0fa06c7c
>>>>>>> [ 6.495055] Faulting instruction address: 0xc032202c
>>>>>>> [ 6.500033] Vector: 300 (Data Access) at [efa31cf0]
>>>>>>> [ 6.504922] pc: c032202c: __reg_op+0xe8/0x100
>>>>>>> [ 6.509697] lr: c0014f88: msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>> [ 6.515600] sp: efa31da0
>>>>>>> [ 6.518491] msr: 21000
>>>>>>> [ 6.521112] dar: fa06c7c
>>>>>>> [ 6.523915] dsisr: 0
>>>>>>> [ 6.526190] current = 0xef8bab00
>>>>>>> [ 6.529603] pid = 115, comm = kworker/0:1
>>>>>>> [ 6.534163] enter ? for help
>>>>>>> [ 6.537054] [link register ] c0014f88 msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>> [ 6.543811] [efa31da0] c0014f78 msi_bitmap_free_hwirqs+0x40/0x94 (unreliable)
>>>>>>> [ 6.551001] [efa31dc0] c001aee8 ppc4xx_setup_msi_irqs+0xac/0xf4
>>>>>>> [ 6.556973] [efa31e00] c03503a4 pci_enable_msi_range+0x1e0/0x280
>>>>>>> [ 6.563032] [efa31e40] f92c2f74 azx_probe_work+0xe0/0x57c [snd_hda_intel]
>>>>>>> [ 6.569906] [efa31e80] c0036344 process_one_work+0x1e8/0x2f0
>>>>>>> [ 6.575627] [efa31eb0] c003677c worker_thread+0x2f4/0x438
>>>>>>> [ 6.581079] [efa31ef0] c003a3e4 kthread+0xc8/0xcc
>>>>>>> [ 6.585844] [efa31f40] c000aec4 ret_from_kernel_thread+0x5c/0x64
>>>>>>> [ 6.591910] mon> <no input ...>
>>>>> Managed to do a third git bisect with the following results .
>>>> Great work.
>>>>
>>>>> git bisect bad
>>>>> 9279d3286e10736766edcaf815ae10e00856e448 is the first bad commit
>>>>> commit 9279d3286e10736766edcaf815ae10e00856e448
>>>>> Author: Rasmus Villemoes<linux@rasmusvillemoes.dk>
>>>>> Date: Wed Aug 6 16:10:16 2014 -0700
>>>>>
>>>>> lib: bitmap: change parameter of bitmap_*_region to unsigned
>>>> So the bug is in the 4xx MSI code, and has always been there, in fact I don't
>>>> see how that code has *ever* worked. The commit you bisected to just caused the
>>>> existing bug to cause an oops.
>>>>
>>>> Can you try this?
>>>>
>>>> diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>> index 6e2e6aa378bb..effb5b878a78 100644
>>>> --- a/arch/powerpc/sysdev/ppc4xx_msi.c
>>>> +++ b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>> @@ -95,11 +95,9 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>>
>>>> list_for_each_entry(entry, &dev->msi_list, list) {
>>>> int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
>>>> - if (int_no >= 0)
>>>> - break;
>>>> if (int_no < 0) {
>>>> - pr_debug("%s: fail allocating msi interrupt\n",
>>>> - __func__);
>>>> + pr_warn("%s: fail allocating msi interrupt\n", __func__);
>>>> + return -ENOSPC;
>>>> }
>>>> virq = irq_of_parse_and_map(msi_data->msi_dev, int_no);
>>>> if (virq == NO_IRQ) {
>>>>
>>> Thanks.
>>> This works with 3.17-rc1. Will try with the 3.18 Branch .
>> OK great.
>>
>>> Any ideas why drm is not working ? (It never worked) .
>> No sorry. You might have more luck if you post a new thread to the dri list.
>>
>>> [ 5.809802] Linux agpgart interface v0.103
>>> [ 6.137893] [drm] Initialized drm 1.1.0 20060810
>>> [ 6.439872] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>> [ 6.508544] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>> I'm curious why it's failing to allocate MSIs. Possibly it's just run out.
>>
>> Can you post the output of 'cat /proc/interrupts'?
>>
>> cheers
>>
>>
>>
>
>
> cat /proc/interrupts
> CPU0
> 18: 0 UIC 11 Edge L2C
> 19: 0 UIC 12 Level snd_ice1724
> 20: 1 UIC 16 Level
> 21: 306 UIC 17 Level snd_hda_intel
> 22: 12212 UIC 0 Level 0002:00:04.0
> 25: 619 UIC 6 Level MAL TX EOB
> 26: 937 UIC 7 Level MAL RX EOB
> 27: 0 UIC 3 Level MAL SERR
> 28: 0 UIC 4 Level MAL TX DE
> 31: 0 UIC 5 Level MAL RX DE
> 32: 6607 UIC 29 Level ehci_hcd:usb1
> 33: 1 UIC 30 Level ohci_hcd:usb2
> 38: 19 UIC 2 Level IBM IIC
> 39: 0 UIC 3 Level IBM IIC
> 40: 0 UIC 16 Level EMAC
> 44: 0 UIC 0 Edge aerdrv
> 45: 0 UIC 2 Edge aerdrv
> LOC: 117318 Local timer interrupts for timer event device
> LOC: 53 Local timer interrupts for others
> SPU: 0 Spurious interrupts
> PMI: 0 Performance monitoring interrupts
> MCE: 0 Machine check exceptions
>
> More issues with Kernel 4.0.0-rc1
>
> [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008
> [ 33.566786] Faulting instruction address: 0xc049db84
> [ 33.574188] Vector: 300 (Data Access) at [eeb13c20]
> [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18
> [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290
> [ 33.590429] sp: eeb13cd0
> [ 33.593310] msr: 29000
> [ 33.595931] dar: 8
> [ 33.598207] dsisr: 0
> [ 33.600480] current = 0xeea93ac0
> [ 33.603885] pid = 2311, comm = Xorg
> [ 33.607922] enter ? for help
> [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290
> [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable)
> [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac
> [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
> [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
> [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
> [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8
> [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
> [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c
> [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc
> [ 33.671253] SP (bfa56d20) is in userspace
> [ 33.675263] mon> <no input ...>
> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1]
> [ 35.709554] PREEMPT Canyonlands
> [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd
> [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
> [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000
> [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
> [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex)
> [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000
> [ 35.769778] DEAR: 00000008 ESR: 00000000
> GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6
> GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988
> GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000
> GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400
> [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18
> [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290
> [ 35.815480] Call Trace:
> [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
> [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac
> [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
> [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
> [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464
> [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8
> [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
> [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c
> [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc
> [ 35.870196] LR = 0x6fb1b800
> [ 35.877971] Instruction dump:
> [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
> [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
> [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
> [ 36.046739]
>
With Kernel 3.19
[ 2.454668] Linux agpgart interface v0.103
[ 2.458979] [drm] Initialized drm 1.1.0 20060810
[ 2.463814] [drm] radeon kernel modesetting enabled.
[ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B).
[ 2.478007] [drm] register mmio base: 0xe90000000
[ 2.482774] [drm] register mmio size: 131072
[ 2.665432] ATOM BIOS: TURKS
[ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
[ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
[ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M
[ 2.690094] [drm] RAM width 128bits DDR
[ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB
[ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB
[ 2.707147] [TTM] Initializing pool allocator
[ 2.711540] [TTM] Initializing DMA pool allocator
[ 2.716359] [drm] radeon: 1024M of VRAM memory ready
[ 2.721355] [drm] radeon: 1024M of GTT memory ready.
[ 2.726395] [drm] Loading TURKS Microcode
[ 2.730457] [drm] Internal thermal controller with fan control
[ 2.741697] [drm] radeon: dpm initialized
[ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144
[ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000).
[ 2.794953] radeon 0001:81:00.0: WB enabled
[ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
[ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
[ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
[ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 2.856067] [drm] Driver supports precise vblank timestamp query.
[ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
[ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
[ 2.874153] [drm] radeon: irq initialized.
[ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
[ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration
[ 3.128627] [drm] Radeon Display Connectors
[ 3.133369] [drm] Connector 0:
[ 3.136481] [drm] DP-1
[ 3.139089] [drm] HPD1
[ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
[ 3.149146] [drm] Encoders:
[ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2
[ 3.156473] [drm] Connector 1:
[ 3.159570] [drm] HDMI-A-1
[ 3.162469] [drm] HPD5
[ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
[ 3.172436] [drm] Encoders:
[ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2
[ 3.179703] [drm] Connector 2:
[ 3.182766] [drm] DVI-I-1
[ 3.185570] [drm] HPD4
[ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
[ 3.195535] [drm] Encoders:
[ 3.198513] [drm] DFP3: INTERNAL_UNIPHY
[ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1
[ 3.352245] [drm] fb mappable at 0x80475000
[ 3.356458] [drm] vram apper at 0x80000000
[ 3.360570] [drm] size 8294400
[ 3.363634] [drm] fb depth is 24
[ 3.366873] [drm] pitch is 7680
[ 3.575080] Console: switching to colour frame buffer device 240x67
[ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
[ 3.656071] radeon 0001:81:00.0: registered panic notifier
[ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
2015-02-23 17:43 ` Problems with DRI on Acube Sam460 AMCC 460ex board Julian Margetson
@ 2015-02-24 11:12 ` Julian Margetson
2015-02-24 18:57 ` Julian Margetson
0 siblings, 1 reply; 7+ messages in thread
From: Julian Margetson @ 2015-02-24 11:12 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 15300 bytes --]
On 2/23/2015 1:43 PM, Julian Margetson wrote:
> On 2/23/2015 9:03 AM, Julian Margetson wrote:
>> On 2/18/2015 10:56 PM, Michael Ellerman wrote:
>>> On Wed, 2015-02-18 at 21:36 -0400, Julian Margetson wrote:
>>>> On 2/18/2015 8:13 PM, Michael Ellerman wrote:
>>>>
>>>>> On Wed, 2015-02-18 at 15:45 -0400, Julian Margetson wrote:
>>>>>> On 2/15/2015 8:18 PM, Michael Ellerman wrote:
>>>>>>
>>>>>>> On Sun, 2015-02-15 at 08:16 -0400, Julian Margetson wrote:
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> I am unable to get any kernel beyond the 3.16 branch working on an
>>>>>>>> Acube Sam460ex
>>>>>>>> AMCC 460ex based motherboard. Kernel up 3.16.7-ckt6 working.
>>>>>>> Does reverting b0345bbc6d09 change anything?
>>>>>>>
>>>>>>>> [ 6.364350] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>>> [ 6.453794] snd_hda_intel 0001:81:00.1: ppc4xx_setup_msi_irqs: fail mapping irq
>>>>>>>> [ 6.487530] Unable to handle kernel paging request for data at address 0x0fa06c7c
>>>>>>>> [ 6.495055] Faulting instruction address: 0xc032202c
>>>>>>>> [ 6.500033] Vector: 300 (Data Access) at [efa31cf0]
>>>>>>>> [ 6.504922] pc: c032202c: __reg_op+0xe8/0x100
>>>>>>>> [ 6.509697] lr: c0014f88: msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>> [ 6.515600] sp: efa31da0
>>>>>>>> [ 6.518491] msr: 21000
>>>>>>>> [ 6.521112] dar: fa06c7c
>>>>>>>> [ 6.523915] dsisr: 0
>>>>>>>> [ 6.526190] current = 0xef8bab00
>>>>>>>> [ 6.529603] pid = 115, comm = kworker/0:1
>>>>>>>> [ 6.534163] enter ? for help
>>>>>>>> [ 6.537054] [link register ] c0014f88 msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>> [ 6.543811] [efa31da0] c0014f78 msi_bitmap_free_hwirqs+0x40/0x94 (unreliable)
>>>>>>>> [ 6.551001] [efa31dc0] c001aee8 ppc4xx_setup_msi_irqs+0xac/0xf4
>>>>>>>> [ 6.556973] [efa31e00] c03503a4 pci_enable_msi_range+0x1e0/0x280
>>>>>>>> [ 6.563032] [efa31e40] f92c2f74 azx_probe_work+0xe0/0x57c [snd_hda_intel]
>>>>>>>> [ 6.569906] [efa31e80] c0036344 process_one_work+0x1e8/0x2f0
>>>>>>>> [ 6.575627] [efa31eb0] c003677c worker_thread+0x2f4/0x438
>>>>>>>> [ 6.581079] [efa31ef0] c003a3e4 kthread+0xc8/0xcc
>>>>>>>> [ 6.585844] [efa31f40] c000aec4 ret_from_kernel_thread+0x5c/0x64
>>>>>>>> [ 6.591910] mon> <no input ...>
>>>>>> Managed to do a third git bisect with the following results .
>>>>> Great work.
>>>>>
>>>>>> git bisect bad
>>>>>> 9279d3286e10736766edcaf815ae10e00856e448 is the first bad commit
>>>>>> commit 9279d3286e10736766edcaf815ae10e00856e448
>>>>>> Author: Rasmus Villemoes<linux@rasmusvillemoes.dk>
>>>>>> Date: Wed Aug 6 16:10:16 2014 -0700
>>>>>>
>>>>>> lib: bitmap: change parameter of bitmap_*_region to unsigned
>>>>> So the bug is in the 4xx MSI code, and has always been there, in fact I don't
>>>>> see how that code has *ever* worked. The commit you bisected to just caused the
>>>>> existing bug to cause an oops.
>>>>>
>>>>> Can you try this?
>>>>>
>>>>> diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>> index 6e2e6aa378bb..effb5b878a78 100644
>>>>> --- a/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>> +++ b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>> @@ -95,11 +95,9 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>>>
>>>>> list_for_each_entry(entry, &dev->msi_list, list) {
>>>>> int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
>>>>> - if (int_no >= 0)
>>>>> - break;
>>>>> if (int_no < 0) {
>>>>> - pr_debug("%s: fail allocating msi interrupt\n",
>>>>> - __func__);
>>>>> + pr_warn("%s: fail allocating msi interrupt\n", __func__);
>>>>> + return -ENOSPC;
>>>>> }
>>>>> virq = irq_of_parse_and_map(msi_data->msi_dev, int_no);
>>>>> if (virq == NO_IRQ) {
>>>>>
>>>> Thanks.
>>>> This works with 3.17-rc1. Will try with the 3.18 Branch .
>>> OK great.
>>>
>>>> Any ideas why drm is not working ? (It never worked) .
>>> No sorry. You might have more luck if you post a new thread to the dri list.
>>>
>>>> [ 5.809802] Linux agpgart interface v0.103
>>>> [ 6.137893] [drm] Initialized drm 1.1.0 20060810
>>>> [ 6.439872] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>> [ 6.508544] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>> I'm curious why it's failing to allocate MSIs. Possibly it's just run out.
>>>
>>> Can you post the output of 'cat /proc/interrupts'?
>>>
>>> cheers
>>>
>>>
>>>
>>
>>
>> cat /proc/interrupts
>> CPU0
>> 18: 0 UIC 11 Edge L2C
>> 19: 0 UIC 12 Level snd_ice1724
>> 20: 1 UIC 16 Level
>> 21: 306 UIC 17 Level snd_hda_intel
>> 22: 12212 UIC 0 Level 0002:00:04.0
>> 25: 619 UIC 6 Level MAL TX EOB
>> 26: 937 UIC 7 Level MAL RX EOB
>> 27: 0 UIC 3 Level MAL SERR
>> 28: 0 UIC 4 Level MAL TX DE
>> 31: 0 UIC 5 Level MAL RX DE
>> 32: 6607 UIC 29 Level ehci_hcd:usb1
>> 33: 1 UIC 30 Level ohci_hcd:usb2
>> 38: 19 UIC 2 Level IBM IIC
>> 39: 0 UIC 3 Level IBM IIC
>> 40: 0 UIC 16 Level EMAC
>> 44: 0 UIC 0 Edge aerdrv
>> 45: 0 UIC 2 Edge aerdrv
>> LOC: 117318 Local timer interrupts for timer event device
>> LOC: 53 Local timer interrupts for others
>> SPU: 0 Spurious interrupts
>> PMI: 0 Performance monitoring interrupts
>> MCE: 0 Machine check exceptions
>>
>> More issues with Kernel 4.0.0-rc1
>>
>> [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008
>> [ 33.566786] Faulting instruction address: 0xc049db84
>> [ 33.574188] Vector: 300 (Data Access) at [eeb13c20]
>> [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18
>> [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290
>> [ 33.590429] sp: eeb13cd0
>> [ 33.593310] msr: 29000
>> [ 33.595931] dar: 8
>> [ 33.598207] dsisr: 0
>> [ 33.600480] current = 0xeea93ac0
>> [ 33.603885] pid = 2311, comm = Xorg
>> [ 33.607922] enter ? for help
>> [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290
>> [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable)
>> [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac
>> [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>> [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
>> [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
>> [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8
>> [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
>> [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c
>> [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc
>> [ 33.671253] SP (bfa56d20) is in userspace
>> [ 33.675263] mon> <no input ...>
>> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1]
>> [ 35.709554] PREEMPT Canyonlands
>> [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd
>> [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
>> [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000
>> [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
>> [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex)
>> [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000
>> [ 35.769778] DEAR: 00000008 ESR: 00000000
>> GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6
>> GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988
>> GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000
>> GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400
>> [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18
>> [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290
>> [ 35.815480] Call Trace:
>> [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
>> [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac
>> [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>> [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
>> [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464
>> [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8
>> [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
>> [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c
>> [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc
>> [ 35.870196] LR = 0x6fb1b800
>> [ 35.877971] Instruction dump:
>> [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
>> [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
>> [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
>> [ 36.046739]
>>
> With Kernel 3.19
> [ 2.454668] Linux agpgart interface v0.103
> [ 2.458979] [drm] Initialized drm 1.1.0 20060810
> [ 2.463814] [drm] radeon kernel modesetting enabled.
> [ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B).
> [ 2.478007] [drm] register mmio base: 0xe90000000
> [ 2.482774] [drm] register mmio size: 131072
> [ 2.665432] ATOM BIOS: TURKS
> [ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
> [ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
> [ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M
> [ 2.690094] [drm] RAM width 128bits DDR
> [ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB
> [ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB
> [ 2.707147] [TTM] Initializing pool allocator
> [ 2.711540] [TTM] Initializing DMA pool allocator
> [ 2.716359] [drm] radeon: 1024M of VRAM memory ready
> [ 2.721355] [drm] radeon: 1024M of GTT memory ready.
> [ 2.726395] [drm] Loading TURKS Microcode
> [ 2.730457] [drm] Internal thermal controller with fan control
> [ 2.741697] [drm] radeon: dpm initialized
> [ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144
> [ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000).
> [ 2.794953] radeon 0001:81:00.0: WB enabled
> [ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
> [ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
> [ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
> [ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [ 2.856067] [drm] Driver supports precise vblank timestamp query.
> [ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
> [ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
> [ 2.874153] [drm] radeon: irq initialized.
> [ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
> [ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration
> [ 3.128627] [drm] Radeon Display Connectors
> [ 3.133369] [drm] Connector 0:
> [ 3.136481] [drm] DP-1
> [ 3.139089] [drm] HPD1
> [ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
> [ 3.149146] [drm] Encoders:
> [ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2
> [ 3.156473] [drm] Connector 1:
> [ 3.159570] [drm] HDMI-A-1
> [ 3.162469] [drm] HPD5
> [ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
> [ 3.172436] [drm] Encoders:
> [ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2
> [ 3.179703] [drm] Connector 2:
> [ 3.182766] [drm] DVI-I-1
> [ 3.185570] [drm] HPD4
> [ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
> [ 3.195535] [drm] Encoders:
> [ 3.198513] [drm] DFP3: INTERNAL_UNIPHY
> [ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1
> [ 3.352245] [drm] fb mappable at 0x80475000
> [ 3.356458] [drm] vram apper at 0x80000000
> [ 3.360570] [drm] size 8294400
> [ 3.363634] [drm] fb depth is 24
> [ 3.366873] [drm] pitch is 7680
> [ 3.575080] Console: switching to colour frame buffer device 240x67
> [ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
> [ 3.656071] radeon 0001:81:00.0: registered panic notifier
> [ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0
>
>
Problems with the Gib bisect
Kernel wont compile after 10th bisect .
drivers/built-in.o: In function `drm_mode_atomic_ioctl':
(.text+0x865dc): undefined reference to `__get_user_bad'
make: *** [vmlinux] Error 1
root@julian-VirtualBox:/usr/src/linux# git bisect log
git bisect start
# bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1
git bisect bad c517d838eb7d07bbe9507871fab3931deccff539
# good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19
git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735
# good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove ancient __FUNCTION__ hack
git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82
# bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f
# good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce
# good: [a9724125ad014decf008d782e60447c811391326] Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
git bisect good a9724125ad014decf008d782e60447c811391326
# good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next
git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590
# bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add audio infoframe
git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084
# good: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
git bisect good 2f5b4ef15c60bc5292a3f006c018acb3da53737b
# bad: [865844448ce80ccd714793e9ba4140d7ae214229] drm/udl: optimize udl_compress_hline16 (v2)
git bisect bad 865844448ce80ccd714793e9ba4140d7ae214229
# bad: [d47df63393ed81977e0f6435988d9cbd70c867f7] drm/panel: simple: Add AVIC TM070DDH03 panel support
git bisect bad d47df63393ed81977e0f6435988d9cbd70c867f7
# bad: [9469244d869623e8b54d9f3d4d00737e377af273] drm/atomic: Fix potential use of state after free
git bisect bad 9469244d869623e8b54d9f3d4d00737e377af273
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_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
2015-02-24 11:12 ` Julian Margetson
@ 2015-02-24 18:57 ` Julian Margetson
2015-02-24 20:28 ` Julian Margetson
0 siblings, 1 reply; 7+ messages in thread
From: Julian Margetson @ 2015-02-24 18:57 UTC (permalink / raw)
To: dri-devel
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On 2/24/2015 7:12 AM, Julian Margetson wrote:
> On 2/23/2015 1:43 PM, Julian Margetson wrote:
>> On 2/23/2015 9:03 AM, Julian Margetson wrote:
>>> On 2/18/2015 10:56 PM, Michael Ellerman wrote:
>>>> On Wed, 2015-02-18 at 21:36 -0400, Julian Margetson wrote:
>>>>> On 2/18/2015 8:13 PM, Michael Ellerman wrote:
>>>>>
>>>>>> On Wed, 2015-02-18 at 15:45 -0400, Julian Margetson wrote:
>>>>>>> On 2/15/2015 8:18 PM, Michael Ellerman wrote:
>>>>>>>
>>>>>>>> On Sun, 2015-02-15 at 08:16 -0400, Julian Margetson wrote:
>>>>>>>>> Hi
>>>>>>>>>
>>>>>>>>> I am unable to get any kernel beyond the 3.16 branch working on an
>>>>>>>>> Acube Sam460ex
>>>>>>>>> AMCC 460ex based motherboard. Kernel up 3.16.7-ckt6 working.
>>>>>>>> Does reverting b0345bbc6d09 change anything?
>>>>>>>>
>>>>>>>>> [ 6.364350] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>>>> [ 6.453794] snd_hda_intel 0001:81:00.1: ppc4xx_setup_msi_irqs: fail mapping irq
>>>>>>>>> [ 6.487530] Unable to handle kernel paging request for data at address 0x0fa06c7c
>>>>>>>>> [ 6.495055] Faulting instruction address: 0xc032202c
>>>>>>>>> [ 6.500033] Vector: 300 (Data Access) at [efa31cf0]
>>>>>>>>> [ 6.504922] pc: c032202c: __reg_op+0xe8/0x100
>>>>>>>>> [ 6.509697] lr: c0014f88: msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>> [ 6.515600] sp: efa31da0
>>>>>>>>> [ 6.518491] msr: 21000
>>>>>>>>> [ 6.521112] dar: fa06c7c
>>>>>>>>> [ 6.523915] dsisr: 0
>>>>>>>>> [ 6.526190] current = 0xef8bab00
>>>>>>>>> [ 6.529603] pid = 115, comm = kworker/0:1
>>>>>>>>> [ 6.534163] enter ? for help
>>>>>>>>> [ 6.537054] [link register ] c0014f88 msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>> [ 6.543811] [efa31da0] c0014f78 msi_bitmap_free_hwirqs+0x40/0x94 (unreliable)
>>>>>>>>> [ 6.551001] [efa31dc0] c001aee8 ppc4xx_setup_msi_irqs+0xac/0xf4
>>>>>>>>> [ 6.556973] [efa31e00] c03503a4 pci_enable_msi_range+0x1e0/0x280
>>>>>>>>> [ 6.563032] [efa31e40] f92c2f74 azx_probe_work+0xe0/0x57c [snd_hda_intel]
>>>>>>>>> [ 6.569906] [efa31e80] c0036344 process_one_work+0x1e8/0x2f0
>>>>>>>>> [ 6.575627] [efa31eb0] c003677c worker_thread+0x2f4/0x438
>>>>>>>>> [ 6.581079] [efa31ef0] c003a3e4 kthread+0xc8/0xcc
>>>>>>>>> [ 6.585844] [efa31f40] c000aec4 ret_from_kernel_thread+0x5c/0x64
>>>>>>>>> [ 6.591910] mon> <no input ...>
>>>>>>> Managed to do a third git bisect with the following results .
>>>>>> Great work.
>>>>>>
>>>>>>> git bisect bad
>>>>>>> 9279d3286e10736766edcaf815ae10e00856e448 is the first bad commit
>>>>>>> commit 9279d3286e10736766edcaf815ae10e00856e448
>>>>>>> Author: Rasmus Villemoes<linux@rasmusvillemoes.dk>
>>>>>>> Date: Wed Aug 6 16:10:16 2014 -0700
>>>>>>>
>>>>>>> lib: bitmap: change parameter of bitmap_*_region to unsigned
>>>>>> So the bug is in the 4xx MSI code, and has always been there, in fact I don't
>>>>>> see how that code has *ever* worked. The commit you bisected to just caused the
>>>>>> existing bug to cause an oops.
>>>>>>
>>>>>> Can you try this?
>>>>>>
>>>>>> diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>> index 6e2e6aa378bb..effb5b878a78 100644
>>>>>> --- a/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>> +++ b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>> @@ -95,11 +95,9 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>>>>
>>>>>> list_for_each_entry(entry, &dev->msi_list, list) {
>>>>>> int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
>>>>>> - if (int_no >= 0)
>>>>>> - break;
>>>>>> if (int_no < 0) {
>>>>>> - pr_debug("%s: fail allocating msi interrupt\n",
>>>>>> - __func__);
>>>>>> + pr_warn("%s: fail allocating msi interrupt\n", __func__);
>>>>>> + return -ENOSPC;
>>>>>> }
>>>>>> virq = irq_of_parse_and_map(msi_data->msi_dev, int_no);
>>>>>> if (virq == NO_IRQ) {
>>>>>>
>>>>> Thanks.
>>>>> This works with 3.17-rc1. Will try with the 3.18 Branch .
>>>> OK great.
>>>>
>>>>> Any ideas why drm is not working ? (It never worked) .
>>>> No sorry. You might have more luck if you post a new thread to the dri list.
>>>>
>>>>> [ 5.809802] Linux agpgart interface v0.103
>>>>> [ 6.137893] [drm] Initialized drm 1.1.0 20060810
>>>>> [ 6.439872] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>> [ 6.508544] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>>> I'm curious why it's failing to allocate MSIs. Possibly it's just run out.
>>>>
>>>> Can you post the output of 'cat /proc/interrupts'?
>>>>
>>>> cheers
>>>>
>>>>
>>>>
>>>
>>>
>>> cat /proc/interrupts
>>> CPU0
>>> 18: 0 UIC 11 Edge L2C
>>> 19: 0 UIC 12 Level snd_ice1724
>>> 20: 1 UIC 16 Level
>>> 21: 306 UIC 17 Level snd_hda_intel
>>> 22: 12212 UIC 0 Level 0002:00:04.0
>>> 25: 619 UIC 6 Level MAL TX EOB
>>> 26: 937 UIC 7 Level MAL RX EOB
>>> 27: 0 UIC 3 Level MAL SERR
>>> 28: 0 UIC 4 Level MAL TX DE
>>> 31: 0 UIC 5 Level MAL RX DE
>>> 32: 6607 UIC 29 Level ehci_hcd:usb1
>>> 33: 1 UIC 30 Level ohci_hcd:usb2
>>> 38: 19 UIC 2 Level IBM IIC
>>> 39: 0 UIC 3 Level IBM IIC
>>> 40: 0 UIC 16 Level EMAC
>>> 44: 0 UIC 0 Edge aerdrv
>>> 45: 0 UIC 2 Edge aerdrv
>>> LOC: 117318 Local timer interrupts for timer event device
>>> LOC: 53 Local timer interrupts for others
>>> SPU: 0 Spurious interrupts
>>> PMI: 0 Performance monitoring interrupts
>>> MCE: 0 Machine check exceptions
>>>
>>> More issues with Kernel 4.0.0-rc1
>>>
>>> [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008
>>> [ 33.566786] Faulting instruction address: 0xc049db84
>>> [ 33.574188] Vector: 300 (Data Access) at [eeb13c20]
>>> [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18
>>> [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290
>>> [ 33.590429] sp: eeb13cd0
>>> [ 33.593310] msr: 29000
>>> [ 33.595931] dar: 8
>>> [ 33.598207] dsisr: 0
>>> [ 33.600480] current = 0xeea93ac0
>>> [ 33.603885] pid = 2311, comm = Xorg
>>> [ 33.607922] enter ? for help
>>> [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290
>>> [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable)
>>> [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac
>>> [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>> [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
>>> [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
>>> [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8
>>> [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
>>> [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c
>>> [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc
>>> [ 33.671253] SP (bfa56d20) is in userspace
>>> [ 33.675263] mon> <no input ...>
>>> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1]
>>> [ 35.709554] PREEMPT Canyonlands
>>> [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd
>>> [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
>>> [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000
>>> [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
>>> [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex)
>>> [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000
>>> [ 35.769778] DEAR: 00000008 ESR: 00000000
>>> GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6
>>> GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988
>>> GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000
>>> GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400
>>> [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18
>>> [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290
>>> [ 35.815480] Call Trace:
>>> [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
>>> [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac
>>> [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>> [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
>>> [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464
>>> [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8
>>> [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
>>> [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c
>>> [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc
>>> [ 35.870196] LR = 0x6fb1b800
>>> [ 35.877971] Instruction dump:
>>> [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
>>> [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
>>> [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
>>> [ 36.046739]
>>>
>> With Kernel 3.19
>> [ 2.454668] Linux agpgart interface v0.103
>> [ 2.458979] [drm] Initialized drm 1.1.0 20060810
>> [ 2.463814] [drm] radeon kernel modesetting enabled.
>> [ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B).
>> [ 2.478007] [drm] register mmio base: 0xe90000000
>> [ 2.482774] [drm] register mmio size: 131072
>> [ 2.665432] ATOM BIOS: TURKS
>> [ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
>> [ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
>> [ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M
>> [ 2.690094] [drm] RAM width 128bits DDR
>> [ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB
>> [ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB
>> [ 2.707147] [TTM] Initializing pool allocator
>> [ 2.711540] [TTM] Initializing DMA pool allocator
>> [ 2.716359] [drm] radeon: 1024M of VRAM memory ready
>> [ 2.721355] [drm] radeon: 1024M of GTT memory ready.
>> [ 2.726395] [drm] Loading TURKS Microcode
>> [ 2.730457] [drm] Internal thermal controller with fan control
>> [ 2.741697] [drm] radeon: dpm initialized
>> [ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144
>> [ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000).
>> [ 2.794953] radeon 0001:81:00.0: WB enabled
>> [ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
>> [ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
>> [ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
>> [ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>> [ 2.856067] [drm] Driver supports precise vblank timestamp query.
>> [ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
>> [ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>> [ 2.874153] [drm] radeon: irq initialized.
>> [ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
>> [ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration
>> [ 3.128627] [drm] Radeon Display Connectors
>> [ 3.133369] [drm] Connector 0:
>> [ 3.136481] [drm] DP-1
>> [ 3.139089] [drm] HPD1
>> [ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
>> [ 3.149146] [drm] Encoders:
>> [ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2
>> [ 3.156473] [drm] Connector 1:
>> [ 3.159570] [drm] HDMI-A-1
>> [ 3.162469] [drm] HPD5
>> [ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
>> [ 3.172436] [drm] Encoders:
>> [ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2
>> [ 3.179703] [drm] Connector 2:
>> [ 3.182766] [drm] DVI-I-1
>> [ 3.185570] [drm] HPD4
>> [ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
>> [ 3.195535] [drm] Encoders:
>> [ 3.198513] [drm] DFP3: INTERNAL_UNIPHY
>> [ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1
>> [ 3.352245] [drm] fb mappable at 0x80475000
>> [ 3.356458] [drm] vram apper at 0x80000000
>> [ 3.360570] [drm] size 8294400
>> [ 3.363634] [drm] fb depth is 24
>> [ 3.366873] [drm] pitch is 7680
>> [ 3.575080] Console: switching to colour frame buffer device 240x67
>> [ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
>> [ 3.656071] radeon 0001:81:00.0: registered panic notifier
>> [ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0
>>
>>
>
> Problems with the Gib bisect
> Kernel wont compile after 10th bisect .
>
> drivers/built-in.o: In function `drm_mode_atomic_ioctl':
> (.text+0x865dc): undefined reference to `__get_user_bad'
> make: *** [vmlinux] Error 1
> root@julian-VirtualBox:/usr/src/linux# git bisect log
> git bisect start
> # bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1
> git bisect bad c517d838eb7d07bbe9507871fab3931deccff539
> # good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19
> git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735
> # good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove ancient __FUNCTION__ hack
> git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82
> # bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
> git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f
> # good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
> git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce
> # good: [a9724125ad014decf008d782e60447c811391326] Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
> git bisect good a9724125ad014decf008d782e60447c811391326
> # good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next
> git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590
> # bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add audio infoframe
> git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084
> # good: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
> git bisect good 2f5b4ef15c60bc5292a3f006c018acb3da53737b
> # bad: [865844448ce80ccd714793e9ba4140d7ae214229] drm/udl: optimize udl_compress_hline16 (v2)
> git bisect bad 865844448ce80ccd714793e9ba4140d7ae214229
> # bad: [d47df63393ed81977e0f6435988d9cbd70c867f7] drm/panel: simple: Add AVIC TM070DDH03 panel support
> git bisect bad d47df63393ed81977e0f6435988d9cbd70c867f7
> # bad: [9469244d869623e8b54d9f3d4d00737e377af273] drm/atomic: Fix potential use of state after free
> git bisect bad 9469244d869623e8b54d9f3d4d00737e377af273
>
>
Kernel 4.0.0-rc1 boots when DVI output used but not when HDMI output used.
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_______________________________________________
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
2015-02-24 18:57 ` Julian Margetson
@ 2015-02-24 20:28 ` Julian Margetson
2015-02-25 13:25 ` Julian Margetson
0 siblings, 1 reply; 7+ messages in thread
From: Julian Margetson @ 2015-02-24 20:28 UTC (permalink / raw)
To: dri-devel
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On 2/24/2015 2:57 PM, Julian Margetson wrote:
> On 2/24/2015 7:12 AM, Julian Margetson wrote:
>> On 2/23/2015 1:43 PM, Julian Margetson wrote:
>>> On 2/23/2015 9:03 AM, Julian Margetson wrote:
>>>> On 2/18/2015 10:56 PM, Michael Ellerman wrote:
>>>>> On Wed, 2015-02-18 at 21:36 -0400, Julian Margetson wrote:
>>>>>> On 2/18/2015 8:13 PM, Michael Ellerman wrote:
>>>>>>
>>>>>>> On Wed, 2015-02-18 at 15:45 -0400, Julian Margetson wrote:
>>>>>>>> On 2/15/2015 8:18 PM, Michael Ellerman wrote:
>>>>>>>>
>>>>>>>>> On Sun, 2015-02-15 at 08:16 -0400, Julian Margetson wrote:
>>>>>>>>>> Hi
>>>>>>>>>>
>>>>>>>>>> I am unable to get any kernel beyond the 3.16 branch working on an
>>>>>>>>>> Acube Sam460ex
>>>>>>>>>> AMCC 460ex based motherboard. Kernel up 3.16.7-ckt6 working.
>>>>>>>>> Does reverting b0345bbc6d09 change anything?
>>>>>>>>>
>>>>>>>>>> [ 6.364350] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>>>>> [ 6.453794] snd_hda_intel 0001:81:00.1: ppc4xx_setup_msi_irqs: fail mapping irq
>>>>>>>>>> [ 6.487530] Unable to handle kernel paging request for data at address 0x0fa06c7c
>>>>>>>>>> [ 6.495055] Faulting instruction address: 0xc032202c
>>>>>>>>>> [ 6.500033] Vector: 300 (Data Access) at [efa31cf0]
>>>>>>>>>> [ 6.504922] pc: c032202c: __reg_op+0xe8/0x100
>>>>>>>>>> [ 6.509697] lr: c0014f88: msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>>> [ 6.515600] sp: efa31da0
>>>>>>>>>> [ 6.518491] msr: 21000
>>>>>>>>>> [ 6.521112] dar: fa06c7c
>>>>>>>>>> [ 6.523915] dsisr: 0
>>>>>>>>>> [ 6.526190] current = 0xef8bab00
>>>>>>>>>> [ 6.529603] pid = 115, comm = kworker/0:1
>>>>>>>>>> [ 6.534163] enter ? for help
>>>>>>>>>> [ 6.537054] [link register ] c0014f88 msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>>> [ 6.543811] [efa31da0] c0014f78 msi_bitmap_free_hwirqs+0x40/0x94 (unreliable)
>>>>>>>>>> [ 6.551001] [efa31dc0] c001aee8 ppc4xx_setup_msi_irqs+0xac/0xf4
>>>>>>>>>> [ 6.556973] [efa31e00] c03503a4 pci_enable_msi_range+0x1e0/0x280
>>>>>>>>>> [ 6.563032] [efa31e40] f92c2f74 azx_probe_work+0xe0/0x57c [snd_hda_intel]
>>>>>>>>>> [ 6.569906] [efa31e80] c0036344 process_one_work+0x1e8/0x2f0
>>>>>>>>>> [ 6.575627] [efa31eb0] c003677c worker_thread+0x2f4/0x438
>>>>>>>>>> [ 6.581079] [efa31ef0] c003a3e4 kthread+0xc8/0xcc
>>>>>>>>>> [ 6.585844] [efa31f40] c000aec4 ret_from_kernel_thread+0x5c/0x64
>>>>>>>>>> [ 6.591910] mon> <no input ...>
>>>>>>>> Managed to do a third git bisect with the following results .
>>>>>>> Great work.
>>>>>>>
>>>>>>>> git bisect bad
>>>>>>>> 9279d3286e10736766edcaf815ae10e00856e448 is the first bad commit
>>>>>>>> commit 9279d3286e10736766edcaf815ae10e00856e448
>>>>>>>> Author: Rasmus Villemoes<linux@rasmusvillemoes.dk>
>>>>>>>> Date: Wed Aug 6 16:10:16 2014 -0700
>>>>>>>>
>>>>>>>> lib: bitmap: change parameter of bitmap_*_region to unsigned
>>>>>>> So the bug is in the 4xx MSI code, and has always been there, in fact I don't
>>>>>>> see how that code has *ever* worked. The commit you bisected to just caused the
>>>>>>> existing bug to cause an oops.
>>>>>>>
>>>>>>> Can you try this?
>>>>>>>
>>>>>>> diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>> index 6e2e6aa378bb..effb5b878a78 100644
>>>>>>> --- a/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>> +++ b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>> @@ -95,11 +95,9 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>>>>>
>>>>>>> list_for_each_entry(entry, &dev->msi_list, list) {
>>>>>>> int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
>>>>>>> - if (int_no >= 0)
>>>>>>> - break;
>>>>>>> if (int_no < 0) {
>>>>>>> - pr_debug("%s: fail allocating msi interrupt\n",
>>>>>>> - __func__);
>>>>>>> + pr_warn("%s: fail allocating msi interrupt\n", __func__);
>>>>>>> + return -ENOSPC;
>>>>>>> }
>>>>>>> virq = irq_of_parse_and_map(msi_data->msi_dev, int_no);
>>>>>>> if (virq == NO_IRQ) {
>>>>>>>
>>>>>> Thanks.
>>>>>> This works with 3.17-rc1. Will try with the 3.18 Branch .
>>>>> OK great.
>>>>>
>>>>>> Any ideas why drm is not working ? (It never worked) .
>>>>> No sorry. You might have more luck if you post a new thread to the dri list.
>>>>>
>>>>>> [ 5.809802] Linux agpgart interface v0.103
>>>>>> [ 6.137893] [drm] Initialized drm 1.1.0 20060810
>>>>>> [ 6.439872] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>> [ 6.508544] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>>>> I'm curious why it's failing to allocate MSIs. Possibly it's just run out.
>>>>>
>>>>> Can you post the output of 'cat /proc/interrupts'?
>>>>>
>>>>> cheers
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> cat /proc/interrupts
>>>> CPU0
>>>> 18: 0 UIC 11 Edge L2C
>>>> 19: 0 UIC 12 Level snd_ice1724
>>>> 20: 1 UIC 16 Level
>>>> 21: 306 UIC 17 Level snd_hda_intel
>>>> 22: 12212 UIC 0 Level 0002:00:04.0
>>>> 25: 619 UIC 6 Level MAL TX EOB
>>>> 26: 937 UIC 7 Level MAL RX EOB
>>>> 27: 0 UIC 3 Level MAL SERR
>>>> 28: 0 UIC 4 Level MAL TX DE
>>>> 31: 0 UIC 5 Level MAL RX DE
>>>> 32: 6607 UIC 29 Level ehci_hcd:usb1
>>>> 33: 1 UIC 30 Level ohci_hcd:usb2
>>>> 38: 19 UIC 2 Level IBM IIC
>>>> 39: 0 UIC 3 Level IBM IIC
>>>> 40: 0 UIC 16 Level EMAC
>>>> 44: 0 UIC 0 Edge aerdrv
>>>> 45: 0 UIC 2 Edge aerdrv
>>>> LOC: 117318 Local timer interrupts for timer event device
>>>> LOC: 53 Local timer interrupts for others
>>>> SPU: 0 Spurious interrupts
>>>> PMI: 0 Performance monitoring interrupts
>>>> MCE: 0 Machine check exceptions
>>>>
>>>> More issues with Kernel 4.0.0-rc1
>>>>
>>>> [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008
>>>> [ 33.566786] Faulting instruction address: 0xc049db84
>>>> [ 33.574188] Vector: 300 (Data Access) at [eeb13c20]
>>>> [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18
>>>> [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290
>>>> [ 33.590429] sp: eeb13cd0
>>>> [ 33.593310] msr: 29000
>>>> [ 33.595931] dar: 8
>>>> [ 33.598207] dsisr: 0
>>>> [ 33.600480] current = 0xeea93ac0
>>>> [ 33.603885] pid = 2311, comm = Xorg
>>>> [ 33.607922] enter ? for help
>>>> [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290
>>>> [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable)
>>>> [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac
>>>> [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>>> [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
>>>> [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
>>>> [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8
>>>> [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
>>>> [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c
>>>> [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc
>>>> [ 33.671253] SP (bfa56d20) is in userspace
>>>> [ 33.675263] mon> <no input ...>
>>>> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1]
>>>> [ 35.709554] PREEMPT Canyonlands
>>>> [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd
>>>> [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
>>>> [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000
>>>> [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
>>>> [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex)
>>>> [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000
>>>> [ 35.769778] DEAR: 00000008 ESR: 00000000
>>>> GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6
>>>> GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988
>>>> GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000
>>>> GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400
>>>> [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18
>>>> [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290
>>>> [ 35.815480] Call Trace:
>>>> [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
>>>> [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac
>>>> [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>>> [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
>>>> [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464
>>>> [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8
>>>> [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
>>>> [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c
>>>> [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc
>>>> [ 35.870196] LR = 0x6fb1b800
>>>> [ 35.877971] Instruction dump:
>>>> [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
>>>> [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
>>>> [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
>>>> [ 36.046739]
>>>>
>>> With Kernel 3.19
>>> [ 2.454668] Linux agpgart interface v0.103
>>> [ 2.458979] [drm] Initialized drm 1.1.0 20060810
>>> [ 2.463814] [drm] radeon kernel modesetting enabled.
>>> [ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B).
>>> [ 2.478007] [drm] register mmio base: 0xe90000000
>>> [ 2.482774] [drm] register mmio size: 131072
>>> [ 2.665432] ATOM BIOS: TURKS
>>> [ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
>>> [ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
>>> [ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M
>>> [ 2.690094] [drm] RAM width 128bits DDR
>>> [ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB
>>> [ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB
>>> [ 2.707147] [TTM] Initializing pool allocator
>>> [ 2.711540] [TTM] Initializing DMA pool allocator
>>> [ 2.716359] [drm] radeon: 1024M of VRAM memory ready
>>> [ 2.721355] [drm] radeon: 1024M of GTT memory ready.
>>> [ 2.726395] [drm] Loading TURKS Microcode
>>> [ 2.730457] [drm] Internal thermal controller with fan control
>>> [ 2.741697] [drm] radeon: dpm initialized
>>> [ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144
>>> [ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000).
>>> [ 2.794953] radeon 0001:81:00.0: WB enabled
>>> [ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
>>> [ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
>>> [ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
>>> [ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>>> [ 2.856067] [drm] Driver supports precise vblank timestamp query.
>>> [ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
>>> [ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>> [ 2.874153] [drm] radeon: irq initialized.
>>> [ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
>>> [ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration
>>> [ 3.128627] [drm] Radeon Display Connectors
>>> [ 3.133369] [drm] Connector 0:
>>> [ 3.136481] [drm] DP-1
>>> [ 3.139089] [drm] HPD1
>>> [ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
>>> [ 3.149146] [drm] Encoders:
>>> [ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2
>>> [ 3.156473] [drm] Connector 1:
>>> [ 3.159570] [drm] HDMI-A-1
>>> [ 3.162469] [drm] HPD5
>>> [ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
>>> [ 3.172436] [drm] Encoders:
>>> [ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2
>>> [ 3.179703] [drm] Connector 2:
>>> [ 3.182766] [drm] DVI-I-1
>>> [ 3.185570] [drm] HPD4
>>> [ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
>>> [ 3.195535] [drm] Encoders:
>>> [ 3.198513] [drm] DFP3: INTERNAL_UNIPHY
>>> [ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1
>>> [ 3.352245] [drm] fb mappable at 0x80475000
>>> [ 3.356458] [drm] vram apper at 0x80000000
>>> [ 3.360570] [drm] size 8294400
>>> [ 3.363634] [drm] fb depth is 24
>>> [ 3.366873] [drm] pitch is 7680
>>> [ 3.575080] Console: switching to colour frame buffer device 240x67
>>> [ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
>>> [ 3.656071] radeon 0001:81:00.0: registered panic notifier
>>> [ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0
>>>
>>>
>>
>> Problems with the Gib bisect
>> Kernel wont compile after 10th bisect .
>>
>> drivers/built-in.o: In function `drm_mode_atomic_ioctl':
>> (.text+0x865dc): undefined reference to `__get_user_bad'
>> make: *** [vmlinux] Error 1
>> root@julian-VirtualBox:/usr/src/linux# git bisect log
>> git bisect start
>> # bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1
>> git bisect bad c517d838eb7d07bbe9507871fab3931deccff539
>> # good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19
>> git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735
>> # good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove ancient __FUNCTION__ hack
>> git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82
>> # bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
>> git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f
>> # good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
>> git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce
>> # good: [a9724125ad014decf008d782e60447c811391326] Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
>> git bisect good a9724125ad014decf008d782e60447c811391326
>> # good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next
>> git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590
>> # bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add audio infoframe
>> git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084
>> # good: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
>> git bisect good 2f5b4ef15c60bc5292a3f006c018acb3da53737b
>> # bad: [865844448ce80ccd714793e9ba4140d7ae214229] drm/udl: optimize udl_compress_hline16 (v2)
>> git bisect bad 865844448ce80ccd714793e9ba4140d7ae214229
>> # bad: [d47df63393ed81977e0f6435988d9cbd70c867f7] drm/panel: simple: Add AVIC TM070DDH03 panel support
>> git bisect bad d47df63393ed81977e0f6435988d9cbd70c867f7
>> # bad: [9469244d869623e8b54d9f3d4d00737e377af273] drm/atomic: Fix potential use of state after free
>> git bisect bad 9469244d869623e8b54d9f3d4d00737e377af273
>>
>>
> Kernel 4.0.0-rc1 boots when DVI output used but not when HDMI output
> used.
git bisect skip
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
b486e0e6d599b9ca8667fb9a7d49b7383ee963c7
eab3bbeffd152125ae0f90863b8e9bc8eef49423
960cd9d4fef6dd9e235c0e5c0d4ed027f8a48025
f02ad907cd9e7fe3a6405d2d005840912f1ed258
6a425c2a9b37ca3d2c37e3c1cdf973dba53eaa79
ee0a89cf3c2c550e6d877dda21dd2947afb90cb6
92890583627ee2a0518e55b063fcff86826fef96
95d6eb3b134e1826ed04cc92b224d93de13e281f
9469244d869623e8b54d9f3d4d00737e377af273
We cannot bisect more!
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_______________________________________________
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
2015-02-24 20:28 ` Julian Margetson
@ 2015-02-25 13:25 ` Julian Margetson
2015-02-25 13:31 ` Julian Margetson
2015-03-07 16:05 ` Julian Margetson
0 siblings, 2 replies; 7+ messages in thread
From: Julian Margetson @ 2015-02-25 13:25 UTC (permalink / raw)
To: dri-devel
[-- Attachment #1.1: Type: text/plain, Size: 17032 bytes --]
On 2/24/2015 4:28 PM, Julian Margetson wrote:
> On 2/24/2015 2:57 PM, Julian Margetson wrote:
>> On 2/24/2015 7:12 AM, Julian Margetson wrote:
>>> On 2/23/2015 1:43 PM, Julian Margetson wrote:
>>>> On 2/23/2015 9:03 AM, Julian Margetson wrote:
>>>>> On 2/18/2015 10:56 PM, Michael Ellerman wrote:
>>>>>> On Wed, 2015-02-18 at 21:36 -0400, Julian Margetson wrote:
>>>>>>> On 2/18/2015 8:13 PM, Michael Ellerman wrote:
>>>>>>>
>>>>>>>> On Wed, 2015-02-18 at 15:45 -0400, Julian Margetson wrote:
>>>>>>>>> On 2/15/2015 8:18 PM, Michael Ellerman wrote:
>>>>>>>>>
>>>>>>>>>> On Sun, 2015-02-15 at 08:16 -0400, Julian Margetson wrote:
>>>>>>>>>>> Hi
>>>>>>>>>>>
>>>>>>>>>>> I am unable to get any kernel beyond the 3.16 branch working on an
>>>>>>>>>>> Acube Sam460ex
>>>>>>>>>>> AMCC 460ex based motherboard. Kernel up 3.16.7-ckt6 working.
>>>>>>>>>> Does reverting b0345bbc6d09 change anything?
>>>>>>>>>>
>>>>>>>>>>> [ 6.364350] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>>>>>> [ 6.453794] snd_hda_intel 0001:81:00.1: ppc4xx_setup_msi_irqs: fail mapping irq
>>>>>>>>>>> [ 6.487530] Unable to handle kernel paging request for data at address 0x0fa06c7c
>>>>>>>>>>> [ 6.495055] Faulting instruction address: 0xc032202c
>>>>>>>>>>> [ 6.500033] Vector: 300 (Data Access) at [efa31cf0]
>>>>>>>>>>> [ 6.504922] pc: c032202c: __reg_op+0xe8/0x100
>>>>>>>>>>> [ 6.509697] lr: c0014f88: msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>>>> [ 6.515600] sp: efa31da0
>>>>>>>>>>> [ 6.518491] msr: 21000
>>>>>>>>>>> [ 6.521112] dar: fa06c7c
>>>>>>>>>>> [ 6.523915] dsisr: 0
>>>>>>>>>>> [ 6.526190] current = 0xef8bab00
>>>>>>>>>>> [ 6.529603] pid = 115, comm = kworker/0:1
>>>>>>>>>>> [ 6.534163] enter ? for help
>>>>>>>>>>> [ 6.537054] [link register ] c0014f88 msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>>>> [ 6.543811] [efa31da0] c0014f78 msi_bitmap_free_hwirqs+0x40/0x94 (unreliable)
>>>>>>>>>>> [ 6.551001] [efa31dc0] c001aee8 ppc4xx_setup_msi_irqs+0xac/0xf4
>>>>>>>>>>> [ 6.556973] [efa31e00] c03503a4 pci_enable_msi_range+0x1e0/0x280
>>>>>>>>>>> [ 6.563032] [efa31e40] f92c2f74 azx_probe_work+0xe0/0x57c [snd_hda_intel]
>>>>>>>>>>> [ 6.569906] [efa31e80] c0036344 process_one_work+0x1e8/0x2f0
>>>>>>>>>>> [ 6.575627] [efa31eb0] c003677c worker_thread+0x2f4/0x438
>>>>>>>>>>> [ 6.581079] [efa31ef0] c003a3e4 kthread+0xc8/0xcc
>>>>>>>>>>> [ 6.585844] [efa31f40] c000aec4 ret_from_kernel_thread+0x5c/0x64
>>>>>>>>>>> [ 6.591910] mon> <no input ...>
>>>>>>>>> Managed to do a third git bisect with the following results .
>>>>>>>> Great work.
>>>>>>>>
>>>>>>>>> git bisect bad
>>>>>>>>> 9279d3286e10736766edcaf815ae10e00856e448 is the first bad commit
>>>>>>>>> commit 9279d3286e10736766edcaf815ae10e00856e448
>>>>>>>>> Author: Rasmus Villemoes<linux@rasmusvillemoes.dk>
>>>>>>>>> Date: Wed Aug 6 16:10:16 2014 -0700
>>>>>>>>>
>>>>>>>>> lib: bitmap: change parameter of bitmap_*_region to unsigned
>>>>>>>> So the bug is in the 4xx MSI code, and has always been there, in fact I don't
>>>>>>>> see how that code has *ever* worked. The commit you bisected to just caused the
>>>>>>>> existing bug to cause an oops.
>>>>>>>>
>>>>>>>> Can you try this?
>>>>>>>>
>>>>>>>> diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>>> index 6e2e6aa378bb..effb5b878a78 100644
>>>>>>>> --- a/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>>> +++ b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>>> @@ -95,11 +95,9 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>>>>>>
>>>>>>>> list_for_each_entry(entry, &dev->msi_list, list) {
>>>>>>>> int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
>>>>>>>> - if (int_no >= 0)
>>>>>>>> - break;
>>>>>>>> if (int_no < 0) {
>>>>>>>> - pr_debug("%s: fail allocating msi interrupt\n",
>>>>>>>> - __func__);
>>>>>>>> + pr_warn("%s: fail allocating msi interrupt\n", __func__);
>>>>>>>> + return -ENOSPC;
>>>>>>>> }
>>>>>>>> virq = irq_of_parse_and_map(msi_data->msi_dev, int_no);
>>>>>>>> if (virq == NO_IRQ) {
>>>>>>>>
>>>>>>> Thanks.
>>>>>>> This works with 3.17-rc1. Will try with the 3.18 Branch .
>>>>>> OK great.
>>>>>>
>>>>>>> Any ideas why drm is not working ? (It never worked) .
>>>>>> No sorry. You might have more luck if you post a new thread to the dri list.
>>>>>>
>>>>>>> [ 5.809802] Linux agpgart interface v0.103
>>>>>>> [ 6.137893] [drm] Initialized drm 1.1.0 20060810
>>>>>>> [ 6.439872] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>> [ 6.508544] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>>>>> I'm curious why it's failing to allocate MSIs. Possibly it's just run out.
>>>>>>
>>>>>> Can you post the output of 'cat /proc/interrupts'?
>>>>>>
>>>>>> cheers
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> cat /proc/interrupts
>>>>> CPU0
>>>>> 18: 0 UIC 11 Edge L2C
>>>>> 19: 0 UIC 12 Level snd_ice1724
>>>>> 20: 1 UIC 16 Level
>>>>> 21: 306 UIC 17 Level snd_hda_intel
>>>>> 22: 12212 UIC 0 Level 0002:00:04.0
>>>>> 25: 619 UIC 6 Level MAL TX EOB
>>>>> 26: 937 UIC 7 Level MAL RX EOB
>>>>> 27: 0 UIC 3 Level MAL SERR
>>>>> 28: 0 UIC 4 Level MAL TX DE
>>>>> 31: 0 UIC 5 Level MAL RX DE
>>>>> 32: 6607 UIC 29 Level ehci_hcd:usb1
>>>>> 33: 1 UIC 30 Level ohci_hcd:usb2
>>>>> 38: 19 UIC 2 Level IBM IIC
>>>>> 39: 0 UIC 3 Level IBM IIC
>>>>> 40: 0 UIC 16 Level EMAC
>>>>> 44: 0 UIC 0 Edge aerdrv
>>>>> 45: 0 UIC 2 Edge aerdrv
>>>>> LOC: 117318 Local timer interrupts for timer event device
>>>>> LOC: 53 Local timer interrupts for others
>>>>> SPU: 0 Spurious interrupts
>>>>> PMI: 0 Performance monitoring interrupts
>>>>> MCE: 0 Machine check exceptions
>>>>>
>>>>> More issues with Kernel 4.0.0-rc1
>>>>>
>>>>> [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008
>>>>> [ 33.566786] Faulting instruction address: 0xc049db84
>>>>> [ 33.574188] Vector: 300 (Data Access) at [eeb13c20]
>>>>> [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18
>>>>> [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290
>>>>> [ 33.590429] sp: eeb13cd0
>>>>> [ 33.593310] msr: 29000
>>>>> [ 33.595931] dar: 8
>>>>> [ 33.598207] dsisr: 0
>>>>> [ 33.600480] current = 0xeea93ac0
>>>>> [ 33.603885] pid = 2311, comm = Xorg
>>>>> [ 33.607922] enter ? for help
>>>>> [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290
>>>>> [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable)
>>>>> [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac
>>>>> [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>>>> [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
>>>>> [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
>>>>> [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8
>>>>> [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
>>>>> [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c
>>>>> [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc
>>>>> [ 33.671253] SP (bfa56d20) is in userspace
>>>>> [ 33.675263] mon> <no input ...>
>>>>> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1]
>>>>> [ 35.709554] PREEMPT Canyonlands
>>>>> [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd
>>>>> [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
>>>>> [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000
>>>>> [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
>>>>> [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex)
>>>>> [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000
>>>>> [ 35.769778] DEAR: 00000008 ESR: 00000000
>>>>> GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6
>>>>> GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988
>>>>> GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000
>>>>> GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400
>>>>> [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18
>>>>> [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290
>>>>> [ 35.815480] Call Trace:
>>>>> [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
>>>>> [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac
>>>>> [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>>>> [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
>>>>> [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464
>>>>> [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8
>>>>> [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
>>>>> [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c
>>>>> [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc
>>>>> [ 35.870196] LR = 0x6fb1b800
>>>>> [ 35.877971] Instruction dump:
>>>>> [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
>>>>> [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
>>>>> [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
>>>>> [ 36.046739]
>>>>>
>>>> With Kernel 3.19
>>>> [ 2.454668] Linux agpgart interface v0.103
>>>> [ 2.458979] [drm] Initialized drm 1.1.0 20060810
>>>> [ 2.463814] [drm] radeon kernel modesetting enabled.
>>>> [ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B).
>>>> [ 2.478007] [drm] register mmio base: 0xe90000000
>>>> [ 2.482774] [drm] register mmio size: 131072
>>>> [ 2.665432] ATOM BIOS: TURKS
>>>> [ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
>>>> [ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
>>>> [ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M
>>>> [ 2.690094] [drm] RAM width 128bits DDR
>>>> [ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB
>>>> [ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB
>>>> [ 2.707147] [TTM] Initializing pool allocator
>>>> [ 2.711540] [TTM] Initializing DMA pool allocator
>>>> [ 2.716359] [drm] radeon: 1024M of VRAM memory ready
>>>> [ 2.721355] [drm] radeon: 1024M of GTT memory ready.
>>>> [ 2.726395] [drm] Loading TURKS Microcode
>>>> [ 2.730457] [drm] Internal thermal controller with fan control
>>>> [ 2.741697] [drm] radeon: dpm initialized
>>>> [ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144
>>>> [ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000).
>>>> [ 2.794953] radeon 0001:81:00.0: WB enabled
>>>> [ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
>>>> [ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
>>>> [ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
>>>> [ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>>>> [ 2.856067] [drm] Driver supports precise vblank timestamp query.
>>>> [ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
>>>> [ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>>> [ 2.874153] [drm] radeon: irq initialized.
>>>> [ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
>>>> [ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration
>>>> [ 3.128627] [drm] Radeon Display Connectors
>>>> [ 3.133369] [drm] Connector 0:
>>>> [ 3.136481] [drm] DP-1
>>>> [ 3.139089] [drm] HPD1
>>>> [ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
>>>> [ 3.149146] [drm] Encoders:
>>>> [ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2
>>>> [ 3.156473] [drm] Connector 1:
>>>> [ 3.159570] [drm] HDMI-A-1
>>>> [ 3.162469] [drm] HPD5
>>>> [ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
>>>> [ 3.172436] [drm] Encoders:
>>>> [ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2
>>>> [ 3.179703] [drm] Connector 2:
>>>> [ 3.182766] [drm] DVI-I-1
>>>> [ 3.185570] [drm] HPD4
>>>> [ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
>>>> [ 3.195535] [drm] Encoders:
>>>> [ 3.198513] [drm] DFP3: INTERNAL_UNIPHY
>>>> [ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1
>>>> [ 3.352245] [drm] fb mappable at 0x80475000
>>>> [ 3.356458] [drm] vram apper at 0x80000000
>>>> [ 3.360570] [drm] size 8294400
>>>> [ 3.363634] [drm] fb depth is 24
>>>> [ 3.366873] [drm] pitch is 7680
>>>> [ 3.575080] Console: switching to colour frame buffer device 240x67
>>>> [ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
>>>> [ 3.656071] radeon 0001:81:00.0: registered panic notifier
>>>> [ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0
>>>>
>>>>
>>>
>>> Problems with the Gib bisect
>>> Kernel wont compile after 10th bisect .
>>>
>>> drivers/built-in.o: In function `drm_mode_atomic_ioctl':
>>> (.text+0x865dc): undefined reference to `__get_user_bad'
>>> make: *** [vmlinux] Error 1
>>> root@julian-VirtualBox:/usr/src/linux# git bisect log
>>> git bisect start
>>> # bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1
>>> git bisect bad c517d838eb7d07bbe9507871fab3931deccff539
>>> # good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19
>>> git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735
>>> # good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove ancient __FUNCTION__ hack
>>> git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82
>>> # bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
>>> git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f
>>> # good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
>>> git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce
>>> # good: [a9724125ad014decf008d782e60447c811391326] Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
>>> git bisect good a9724125ad014decf008d782e60447c811391326
>>> # good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next
>>> git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590
>>> # bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add audio infoframe
>>> git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084
>>> # good: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
>>> git bisect good 2f5b4ef15c60bc5292a3f006c018acb3da53737b
>>> # bad: [865844448ce80ccd714793e9ba4140d7ae214229] drm/udl: optimize udl_compress_hline16 (v2)
>>> git bisect bad 865844448ce80ccd714793e9ba4140d7ae214229
>>> # bad: [d47df63393ed81977e0f6435988d9cbd70c867f7] drm/panel: simple: Add AVIC TM070DDH03 panel support
>>> git bisect bad d47df63393ed81977e0f6435988d9cbd70c867f7
>>> # bad: [9469244d869623e8b54d9f3d4d00737e377af273] drm/atomic: Fix potential use of state after free
>>> git bisect bad 9469244d869623e8b54d9f3d4d00737e377af273
>>>
>>>
>> Kernel 4.0.0-rc1 boots when DVI output used but not when HDMI output
>> used.
>
>
> git bisect skip
> There are only 'skip'ped commits left to test.
> The first bad commit could be any of:
> b486e0e6d599b9ca8667fb9a7d49b7383ee963c7
> eab3bbeffd152125ae0f90863b8e9bc8eef49423
> 960cd9d4fef6dd9e235c0e5c0d4ed027f8a48025
> f02ad907cd9e7fe3a6405d2d005840912f1ed258
> 6a425c2a9b37ca3d2c37e3c1cdf973dba53eaa79
> ee0a89cf3c2c550e6d877dda21dd2947afb90cb6
> 92890583627ee2a0518e55b063fcff86826fef96
> 95d6eb3b134e1826ed04cc92b224d93de13e281f
> 9469244d869623e8b54d9f3d4d00737e377af273
> We cannot bisect more!
>
Verified that the problems with the
radeon: ring 0 test failed error
go back to at least Kernel 3.0.1
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_______________________________________________
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
2015-02-25 13:25 ` Julian Margetson
@ 2015-02-25 13:31 ` Julian Margetson
2015-03-07 16:05 ` Julian Margetson
1 sibling, 0 replies; 7+ messages in thread
From: Julian Margetson @ 2015-02-25 13:31 UTC (permalink / raw)
To: dri-devel
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On 2/25/2015 9:25 AM, Julian Margetson wrote:
> On 2/24/2015 4:28 PM, Julian Margetson wrote:
>> On 2/24/2015 2:57 PM, Julian Margetson wrote:
>>> On 2/24/2015 7:12 AM, Julian Margetson wrote:
>>>> On 2/23/2015 1:43 PM, Julian Margetson wrote:
>>>>> On 2/23/2015 9:03 AM, Julian Margetson wrote:
>>>>>> On 2/18/2015 10:56 PM, Michael Ellerman wrote:
>>>>>>> On Wed, 2015-02-18 at 21:36 -0400, Julian Margetson wrote:
>>>>>>>> On 2/18/2015 8:13 PM, Michael Ellerman wrote:
>>>>>>>>
>>>>>>>>> On Wed, 2015-02-18 at 15:45 -0400, Julian Margetson wrote:
>>>>>>>>>> On 2/15/2015 8:18 PM, Michael Ellerman wrote:
>>>>>>>>>>
>>>>>>>>>>> On Sun, 2015-02-15 at 08:16 -0400, Julian Margetson wrote:
>>>>>>>>>>>> Hi
>>>>>>>>>>>>
>>>>>>>>>>>> I am unable to get any kernel beyond the 3.16 branch working on an
>>>>>>>>>>>> Acube Sam460ex
>>>>>>>>>>>> AMCC 460ex based motherboard. Kernel up 3.16.7-ckt6 working.
>>>>>>>>>>> Does reverting b0345bbc6d09 change anything?
>>>>>>>>>>>
>>>>>>>>>>>> [ 6.364350] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>>>>>>> [ 6.453794] snd_hda_intel 0001:81:00.1: ppc4xx_setup_msi_irqs: fail mapping irq
>>>>>>>>>>>> [ 6.487530] Unable to handle kernel paging request for data at address 0x0fa06c7c
>>>>>>>>>>>> [ 6.495055] Faulting instruction address: 0xc032202c
>>>>>>>>>>>> [ 6.500033] Vector: 300 (Data Access) at [efa31cf0]
>>>>>>>>>>>> [ 6.504922] pc: c032202c: __reg_op+0xe8/0x100
>>>>>>>>>>>> [ 6.509697] lr: c0014f88: msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>>>>> [ 6.515600] sp: efa31da0
>>>>>>>>>>>> [ 6.518491] msr: 21000
>>>>>>>>>>>> [ 6.521112] dar: fa06c7c
>>>>>>>>>>>> [ 6.523915] dsisr: 0
>>>>>>>>>>>> [ 6.526190] current = 0xef8bab00
>>>>>>>>>>>> [ 6.529603] pid = 115, comm = kworker/0:1
>>>>>>>>>>>> [ 6.534163] enter ? for help
>>>>>>>>>>>> [ 6.537054] [link register ] c0014f88 msi_bitmap_free_hwirqs+0x50/0x94
>>>>>>>>>>>> [ 6.543811] [efa31da0] c0014f78 msi_bitmap_free_hwirqs+0x40/0x94 (unreliable)
>>>>>>>>>>>> [ 6.551001] [efa31dc0] c001aee8 ppc4xx_setup_msi_irqs+0xac/0xf4
>>>>>>>>>>>> [ 6.556973] [efa31e00] c03503a4 pci_enable_msi_range+0x1e0/0x280
>>>>>>>>>>>> [ 6.563032] [efa31e40] f92c2f74 azx_probe_work+0xe0/0x57c [snd_hda_intel]
>>>>>>>>>>>> [ 6.569906] [efa31e80] c0036344 process_one_work+0x1e8/0x2f0
>>>>>>>>>>>> [ 6.575627] [efa31eb0] c003677c worker_thread+0x2f4/0x438
>>>>>>>>>>>> [ 6.581079] [efa31ef0] c003a3e4 kthread+0xc8/0xcc
>>>>>>>>>>>> [ 6.585844] [efa31f40] c000aec4 ret_from_kernel_thread+0x5c/0x64
>>>>>>>>>>>> [ 6.591910] mon> <no input ...>
>>>>>>>>>> Managed to do a third git bisect with the following results .
>>>>>>>>> Great work.
>>>>>>>>>
>>>>>>>>>> git bisect bad
>>>>>>>>>> 9279d3286e10736766edcaf815ae10e00856e448 is the first bad commit
>>>>>>>>>> commit 9279d3286e10736766edcaf815ae10e00856e448
>>>>>>>>>> Author: Rasmus Villemoes<linux@rasmusvillemoes.dk>
>>>>>>>>>> Date: Wed Aug 6 16:10:16 2014 -0700
>>>>>>>>>>
>>>>>>>>>> lib: bitmap: change parameter of bitmap_*_region to unsigned
>>>>>>>>> So the bug is in the 4xx MSI code, and has always been there, in fact I don't
>>>>>>>>> see how that code has *ever* worked. The commit you bisected to just caused the
>>>>>>>>> existing bug to cause an oops.
>>>>>>>>>
>>>>>>>>> Can you try this?
>>>>>>>>>
>>>>>>>>> diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>>>> index 6e2e6aa378bb..effb5b878a78 100644
>>>>>>>>> --- a/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>>>> +++ b/arch/powerpc/sysdev/ppc4xx_msi.c
>>>>>>>>> @@ -95,11 +95,9 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>>>>>>>
>>>>>>>>> list_for_each_entry(entry, &dev->msi_list, list) {
>>>>>>>>> int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
>>>>>>>>> - if (int_no >= 0)
>>>>>>>>> - break;
>>>>>>>>> if (int_no < 0) {
>>>>>>>>> - pr_debug("%s: fail allocating msi interrupt\n",
>>>>>>>>> - __func__);
>>>>>>>>> + pr_warn("%s: fail allocating msi interrupt\n", __func__);
>>>>>>>>> + return -ENOSPC;
>>>>>>>>> }
>>>>>>>>> virq = irq_of_parse_and_map(msi_data->msi_dev, int_no);
>>>>>>>>> if (virq == NO_IRQ) {
>>>>>>>>>
>>>>>>>> Thanks.
>>>>>>>> This works with 3.17-rc1. Will try with the 3.18 Branch .
>>>>>>> OK great.
>>>>>>>
>>>>>>>> Any ideas why drm is not working ? (It never worked) .
>>>>>>> No sorry. You might have more luck if you post a new thread to the dri list.
>>>>>>>
>>>>>>>> [ 5.809802] Linux agpgart interface v0.103
>>>>>>>> [ 6.137893] [drm] Initialized drm 1.1.0 20060810
>>>>>>>> [ 6.439872] snd_hda_intel 0001:81:00.1: enabling device (0000 -> 0002)
>>>>>>>> [ 6.508544] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>>>>>> I'm curious why it's failing to allocate MSIs. Possibly it's just run out.
>>>>>>>
>>>>>>> Can you post the output of 'cat /proc/interrupts'?
>>>>>>>
>>>>>>> cheers
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> cat /proc/interrupts
>>>>>> CPU0
>>>>>> 18: 0 UIC 11 Edge L2C
>>>>>> 19: 0 UIC 12 Level snd_ice1724
>>>>>> 20: 1 UIC 16 Level
>>>>>> 21: 306 UIC 17 Level snd_hda_intel
>>>>>> 22: 12212 UIC 0 Level 0002:00:04.0
>>>>>> 25: 619 UIC 6 Level MAL TX EOB
>>>>>> 26: 937 UIC 7 Level MAL RX EOB
>>>>>> 27: 0 UIC 3 Level MAL SERR
>>>>>> 28: 0 UIC 4 Level MAL TX DE
>>>>>> 31: 0 UIC 5 Level MAL RX DE
>>>>>> 32: 6607 UIC 29 Level ehci_hcd:usb1
>>>>>> 33: 1 UIC 30 Level ohci_hcd:usb2
>>>>>> 38: 19 UIC 2 Level IBM IIC
>>>>>> 39: 0 UIC 3 Level IBM IIC
>>>>>> 40: 0 UIC 16 Level EMAC
>>>>>> 44: 0 UIC 0 Edge aerdrv
>>>>>> 45: 0 UIC 2 Edge aerdrv
>>>>>> LOC: 117318 Local timer interrupts for timer event device
>>>>>> LOC: 53 Local timer interrupts for others
>>>>>> SPU: 0 Spurious interrupts
>>>>>> PMI: 0 Performance monitoring interrupts
>>>>>> MCE: 0 Machine check exceptions
>>>>>>
>>>>>> More issues with Kernel 4.0.0-rc1
>>>>>>
>>>>>> [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008
>>>>>> [ 33.566786] Faulting instruction address: 0xc049db84
>>>>>> [ 33.574188] Vector: 300 (Data Access) at [eeb13c20]
>>>>>> [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18
>>>>>> [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290
>>>>>> [ 33.590429] sp: eeb13cd0
>>>>>> [ 33.593310] msr: 29000
>>>>>> [ 33.595931] dar: 8
>>>>>> [ 33.598207] dsisr: 0
>>>>>> [ 33.600480] current = 0xeea93ac0
>>>>>> [ 33.603885] pid = 2311, comm = Xorg
>>>>>> [ 33.607922] enter ? for help
>>>>>> [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290
>>>>>> [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable)
>>>>>> [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac
>>>>>> [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>>>>> [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
>>>>>> [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
>>>>>> [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8
>>>>>> [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
>>>>>> [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c
>>>>>> [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc
>>>>>> [ 33.671253] SP (bfa56d20) is in userspace
>>>>>> [ 33.675263] mon> <no input ...>
>>>>>> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1]
>>>>>> [ 35.709554] PREEMPT Canyonlands
>>>>>> [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd
>>>>>> [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
>>>>>> [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000
>>>>>> [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
>>>>>> [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex)
>>>>>> [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000
>>>>>> [ 35.769778] DEAR: 00000008 ESR: 00000000
>>>>>> GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6
>>>>>> GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988
>>>>>> GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000
>>>>>> GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400
>>>>>> [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18
>>>>>> [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290
>>>>>> [ 35.815480] Call Trace:
>>>>>> [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
>>>>>> [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac
>>>>>> [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
>>>>>> [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
>>>>>> [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464
>>>>>> [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8
>>>>>> [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
>>>>>> [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c
>>>>>> [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc
>>>>>> [ 35.870196] LR = 0x6fb1b800
>>>>>> [ 35.877971] Instruction dump:
>>>>>> [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
>>>>>> [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
>>>>>> [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
>>>>>> [ 36.046739]
>>>>>>
>>>>> With Kernel 3.19
>>>>> [ 2.454668] Linux agpgart interface v0.103
>>>>> [ 2.458979] [drm] Initialized drm 1.1.0 20060810
>>>>> [ 2.463814] [drm] radeon kernel modesetting enabled.
>>>>> [ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B).
>>>>> [ 2.478007] [drm] register mmio base: 0xe90000000
>>>>> [ 2.482774] [drm] register mmio size: 131072
>>>>> [ 2.665432] ATOM BIOS: TURKS
>>>>> [ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
>>>>> [ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
>>>>> [ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M
>>>>> [ 2.690094] [drm] RAM width 128bits DDR
>>>>> [ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB
>>>>> [ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB
>>>>> [ 2.707147] [TTM] Initializing pool allocator
>>>>> [ 2.711540] [TTM] Initializing DMA pool allocator
>>>>> [ 2.716359] [drm] radeon: 1024M of VRAM memory ready
>>>>> [ 2.721355] [drm] radeon: 1024M of GTT memory ready.
>>>>> [ 2.726395] [drm] Loading TURKS Microcode
>>>>> [ 2.730457] [drm] Internal thermal controller with fan control
>>>>> [ 2.741697] [drm] radeon: dpm initialized
>>>>> [ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144
>>>>> [ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000).
>>>>> [ 2.794953] radeon 0001:81:00.0: WB enabled
>>>>> [ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
>>>>> [ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
>>>>> [ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
>>>>> [ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>>>>> [ 2.856067] [drm] Driver supports precise vblank timestamp query.
>>>>> [ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit
>>>>> [ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt
>>>>> [ 2.874153] [drm] radeon: irq initialized.
>>>>> [ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)
>>>>> [ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration
>>>>> [ 3.128627] [drm] Radeon Display Connectors
>>>>> [ 3.133369] [drm] Connector 0:
>>>>> [ 3.136481] [drm] DP-1
>>>>> [ 3.139089] [drm] HPD1
>>>>> [ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
>>>>> [ 3.149146] [drm] Encoders:
>>>>> [ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2
>>>>> [ 3.156473] [drm] Connector 1:
>>>>> [ 3.159570] [drm] HDMI-A-1
>>>>> [ 3.162469] [drm] HPD5
>>>>> [ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
>>>>> [ 3.172436] [drm] Encoders:
>>>>> [ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2
>>>>> [ 3.179703] [drm] Connector 2:
>>>>> [ 3.182766] [drm] DVI-I-1
>>>>> [ 3.185570] [drm] HPD4
>>>>> [ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
>>>>> [ 3.195535] [drm] Encoders:
>>>>> [ 3.198513] [drm] DFP3: INTERNAL_UNIPHY
>>>>> [ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1
>>>>> [ 3.352245] [drm] fb mappable at 0x80475000
>>>>> [ 3.356458] [drm] vram apper at 0x80000000
>>>>> [ 3.360570] [drm] size 8294400
>>>>> [ 3.363634] [drm] fb depth is 24
>>>>> [ 3.366873] [drm] pitch is 7680
>>>>> [ 3.575080] Console: switching to colour frame buffer device 240x67
>>>>> [ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device
>>>>> [ 3.656071] radeon 0001:81:00.0: registered panic notifier
>>>>> [ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0
>>>>>
>>>>>
>>>>
>>>> Problems with the Gib bisect
>>>> Kernel wont compile after 10th bisect .
>>>>
>>>> drivers/built-in.o: In function `drm_mode_atomic_ioctl':
>>>> (.text+0x865dc): undefined reference to `__get_user_bad'
>>>> make: *** [vmlinux] Error 1
>>>> root@julian-VirtualBox:/usr/src/linux# git bisect log
>>>> git bisect start
>>>> # bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1
>>>> git bisect bad c517d838eb7d07bbe9507871fab3931deccff539
>>>> # good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19
>>>> git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735
>>>> # good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove ancient __FUNCTION__ hack
>>>> git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82
>>>> # bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
>>>> git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f
>>>> # good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
>>>> git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce
>>>> # good: [a9724125ad014decf008d782e60447c811391326] Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
>>>> git bisect good a9724125ad014decf008d782e60447c811391326
>>>> # good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next
>>>> git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590
>>>> # bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add audio infoframe
>>>> git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084
>>>> # good: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
>>>> git bisect good 2f5b4ef15c60bc5292a3f006c018acb3da53737b
>>>> # bad: [865844448ce80ccd714793e9ba4140d7ae214229] drm/udl: optimize udl_compress_hline16 (v2)
>>>> git bisect bad 865844448ce80ccd714793e9ba4140d7ae214229
>>>> # bad: [d47df63393ed81977e0f6435988d9cbd70c867f7] drm/panel: simple: Add AVIC TM070DDH03 panel support
>>>> git bisect bad d47df63393ed81977e0f6435988d9cbd70c867f7
>>>> # bad: [9469244d869623e8b54d9f3d4d00737e377af273] drm/atomic: Fix potential use of state after free
>>>> git bisect bad 9469244d869623e8b54d9f3d4d00737e377af273
>>>>
>>>>
>>> Kernel 4.0.0-rc1 boots when DVI output used but not when HDMI
>>> output used.
>>
>>
>> git bisect skip
>> There are only 'skip'ped commits left to test.
>> The first bad commit could be any of:
>> b486e0e6d599b9ca8667fb9a7d49b7383ee963c7
>> eab3bbeffd152125ae0f90863b8e9bc8eef49423
>> 960cd9d4fef6dd9e235c0e5c0d4ed027f8a48025
>> f02ad907cd9e7fe3a6405d2d005840912f1ed258
>> 6a425c2a9b37ca3d2c37e3c1cdf973dba53eaa79
>> ee0a89cf3c2c550e6d877dda21dd2947afb90cb6
>> 92890583627ee2a0518e55b063fcff86826fef96
>> 95d6eb3b134e1826ed04cc92b224d93de13e281f
>> 9469244d869623e8b54d9f3d4d00737e377af273
>> We cannot bisect more!
>>
>
> Verified that the problems with the
> radeon: ring 0 test failed error
> go back to at least Kernel 3.0.1
>
Problem also seems to exist with P1022 based board as well .
https://community.freescale.com/thread/339022
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Problems with DRI on Acube Sam460 AMCC 460ex board
2015-02-25 13:25 ` Julian Margetson
2015-02-25 13:31 ` Julian Margetson
@ 2015-03-07 16:05 ` Julian Margetson
1 sibling, 0 replies; 7+ messages in thread
From: Julian Margetson @ 2015-03-07 16:05 UTC (permalink / raw)
To: dri-devel
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[ 29.960572] Unable to handle kernel paging request for data at address 0x00000008
[ 29.974350] Faulting instruction address: 0xc04a4f44
[ 32.012918] Oops: Kernel access of bad area, sig: 11 [#1]
[ 32.044900] PREEMPT Canyonlands
[ 32.061504] Modules linked in: cfg80211 bnep rfcomm bluetooth
[ 32.081023] CPU: 0 PID: 2087 Comm: Xorg Not tainted 4.0.0-rc2-Sam460ex #1
[ 32.101802] task: ed6891a0 ti: ed606000 task.ti: ed606000
[ 32.121175] NIP: c04a4f44 LR: c03e6a4c CTR: c03d7b6c
[ 32.139995] REGS: ed607c50 TRAP: 0300 Not tainted (4.0.0-rc2-Sam460ex)
[ 32.160678] MSR: 00029000 <CE,EE,ME> CR: 24004442 XER: 00000000
[ 32.180922] DEAR: 00000008 ESR: 00000000
GPR00: c03e6a4c ed607d00 ed6891a0 eeac8000 00000000 0000000f ed607be8 00000000
GPR08: 0000f6a3 00000000 eeaae400 ed607cc0 24004422 b7ceeff8 b7d05c14 00000000
GPR16: 00000000 ffffffff 00000000 ed607e18 eeaae578 eebe2600 00000001 00004000
GPR24: 00004000 c075bd08 fffffff2 00000000 eeac8000 00000001 00000001 ee51a400
[ 32.285496] NIP [c04a4f44] radeon_audio_enable+0x4/0x18
[ 32.305509] LR [c03e6a4c] radeon_dvi_detect+0x388/0x3ac
[ 32.325444] Call Trace:
[ 32.342325] [ed607d00] [c03e6a4c] radeon_dvi_detect+0x388/0x3ac (unreliable)
[ 32.364075] [ed607d30] [c0391cc4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
[ 32.387631] [ed607d70] [c03adecc] drm_mode_getconnector+0xe4/0x330
[ 32.408687] [ed607e10] [c03a0bbc] drm_ioctl+0x348/0x464
[ 32.428766] [ed607ed0] [c00d0aac] do_vfs_ioctl+0x52c/0x6e8
[ 32.449123] [ed607f20] [c00d0ca8] SyS_ioctl+0x40/0x68
[ 32.469149] [ed607f40] [c000ab04] ret_from_syscall+0x0/0x3c
[ 32.489581] --- interrupt: c01 at 0x6fae92bc
[ 32.489581] LR = 0x6fae91e0
[ 32.526311] Instruction dump:
[ 32.543848] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6
[ 32.566711] 4e800420 38600000 4e800020 81231cd8 <81290008> 2f890000 4d9e0020 7d2903a6
[ 32.741188] ---[ end trace c9d41ee106b06efa ]---
[ 32.745808]
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^ permalink raw reply [flat|nested] 7+ messages in thread
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2015-02-23 17:43 ` Problems with DRI on Acube Sam460 AMCC 460ex board Julian Margetson
2015-02-24 11:12 ` Julian Margetson
2015-02-24 18:57 ` Julian Margetson
2015-02-24 20:28 ` Julian Margetson
2015-02-25 13:25 ` Julian Margetson
2015-02-25 13:31 ` Julian Margetson
2015-03-07 16:05 ` Julian Margetson
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