From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julian Margetson Subject: Re: [BUG/REGRESSION] Radeon HDMI casuses oops on Acube Sam460ex amcc 460ex power board Date: Sun, 31 May 2015 07:48:39 -0400 Message-ID: <556AF517.7010909@candw.ms> References: <55592246.5090505@candw.ms> <555A25D7.7070000@candw.ms> <555A6A94.4050301@candw.ms> <555F19BF.1010203@candw.ms> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0699792692==" Return-path: Received: from smtp472.redcondor.net (smtp472.redcondor.net [208.80.204.72]) by gabe.freedesktop.org (Postfix) with ESMTP id 842CD6E03D for ; Sun, 31 May 2015 04:55:22 -0700 (PDT) In-Reply-To: <555F19BF.1010203@candw.ms> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Alex Deucher Cc: Julian Margetson , Maling list - DRI developers List-Id: dri-devel@lists.freedesktop.org This is a multi-part message in MIME format. --===============0699792692== Content-Type: multipart/alternative; boundary="------------080501000700030107050800" This is a multi-part message in MIME format. --------------080501000700030107050800 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit On 5/22/2015 7:57 AM, Julian Margetson wrote: > On 5/18/2015 7:00 PM, Alex Deucher wrote: >> On Mon, May 18, 2015 at 6:41 PM, Julian Margetson >> wrote: >>> On 5/18/2015 4:59 PM, Alex Deucher wrote: >>> >> Snip >> >> >> >>> * Starting NTP server ntpd [ 28.819002] Unable to handle kernel >>> paging request for data at address 0x00000008 >>> [ 28.860330] Faulting instruction address: 0xc04a5218 >>> [ 30.874910] Oops: Kernel access of bad area, sig: 11 [#1] >>> [ 30.892488] PREEMPT Canyonlands >>> [ 30.907764] Modules linked in: >>> [ 30.922944] CPU: 0 PID: 1949 Comm: Xorg Not tainted >>> 4.0.4-Sam460ex #4 >>> [ 30.941699] task: edd7a920 ti: ee6d0000 task.ti: ee6d0000 >>> [ 30.959284] NIP: c04a5218 LR: c04a5544 CTR: 00000000 >>> [ 30.976315] REGS: ee6d1c30 TRAP: 0300 Not tainted (4.0.4-Sam460ex) >>> [ 30.995038] MSR: 00029000 CR: 24004242 XER: 00000000 >>> [ 31.013805] DEAR: 00000008 ESR: 00000000 >>> GPR00: c04a5530 ee6d1ce0 edd7a920 ee984000 00000000 00000000 c0ac2c04 >>> 61626c69 >>> GPR08: 00000000 00000000 00000000 ee6d1ce0 24004244 b7e90afc b84d1ab0 >>> b84d0530 >>> GPR16: 00000000 ffffffff 6f23c730 ee6d1e18 c03add64 eea00578 00000001 >>> 00004000 >>> GPR24: 00004000 c0719b98 eeb62200 c08d825c ee4e4000 ee984000 00000000 >>> eeaf8f00 >>> [ 31.111915] NIP [c04a5218] radeon_audio_enable+0x4/0x18 >>> [ 31.130834] LR [c04a5544] radeon_audio_detect+0x150/0x1bc >>> [ 31.150046] Call Trace: >>> [ 31.166259] [ee6d1ce0] [c04a5530] radeon_audio_detect+0x13c/0x1bc >>> (unreliable) >>> [ 31.187768] [ee6d1d00] [c03e69b4] radeon_dvi_detect+0x3a8/0x3cc >>> [ 31.207983] [ee6d1d30] [c0391cf8] >>> drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x448 >>> [ 31.231287] [ee6d1d70] [c03ade48] drm_mode_getconnector+0xe4/0x334 >>> [ 31.252222] [ee6d1e10] [c03a0bf4] drm_ioctl+0x348/0x464 >>> [ 31.272107] [ee6d1ed0] [c00ce2e4] do_vfs_ioctl+0x52c/0x6e8 >>> [ 31.292084] [ee6d1f20] [c00ce4e0] SyS_ioctl+0x40/0x68 >>> [ 31.311408] [ee6d1f40] [c000ab1c] ret_from_syscall+0x0/0x3c >>> [ 31.331466] --- interrupt: c01 at 0x6fb001dc >>> [ 31.331466] LR = 0x6fb00100 >>> [ 31.368093] Instruction dump: >>> [ 31.385716] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 >>> 419e000c 7d2903a6 >>> [ 31.408631] 4e800420 38600000 4e800020 81231cd8 <81290008> 2f890000 >>> 4d9e0020 7d2903a6 >>> [ 31.587312] ---[ end trace 2a6dca2844a1913c ]--- >>> [ 31.591930] >>> [ 32.489288] init: bluetooth main process (2051) terminated with >>> status 1 >>> [ 32.501384] init: bluetooth main process ended, respawning >>> [ 33.156098] init: bluetooth main process (2076) terminated with >>> status 1 >>> [ 33.183330] init: bluetooth main process ended, respawning >>> [ 33.859517] init: bluetooth main process (2124) terminated with >>> status 1 >>> [ 33.880582] init: bluetooth main process ended, respawning >>> [ 34.450457] init: bluetooth main process (2177) terminated with >>> status 1 >>> [ 34.457287] init: bluetooth main process ended, respawning >>> * Starting Mount filesystems on boot[ OK ] >>> >> Are you sure you booted the right kernel and applied both patches? I >> don't see any of the debugging output from the patch. >> >> Alex >> > > The issues started with HDMI from Kernel 4.0.0-rc1. Could not get the > git bisect completed. > Any suggestions to get around the error below ? > > (.text+0x865dc): undefined reference to `__get_user_bad' > > ================================================================================================ > > > 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> > [ 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 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! > > > Thank you. While the issue when using DVI video output is now ok with the latest fixes the oops still happens when using HDMI video output. [ 31.224167] Unable to handle kernel paging request for data at address 0x00000008 [ 31.273597] Faulting instruction address: 0xc04bf264 [ 39.225572] Oops: Kernel access of bad area, sig: 11 [#1] [ 39.231310] PREEMPT Canyonlands [ 39.234650] Modules linked in: [ 39.237894] CPU: 0 PID: 2009 Comm: Xorg Not tainted 4.1.0-rc5-Sam460ex-00161-gaaa20fc-dirty #24 [ 39.247084] task: edf0bac0 ti: eddd8000 task.ti: eddd8000 [ 39.252784] NIP: c04bf264 LR: c03fedf4 CTR: c03eff70 [ 39.258028] REGS: eddd9c50 TRAP: 0300 Not tainted (4.1.0-rc5-Sam460ex-00161-gaaa20fc-dirty) [ 39.267124] MSR: 00029000 CR: 24004442 XER: 00000000 [ 39.273678] DEAR: 00000008 ESR: 00000000 GPR00: c03fedf4 eddd9d00 edf0bac0 eeb10000 00000000 0000000f eddd9be8 00000000 GPR08: 0000f6a3 00000000 eeb14800 eddd9cc0 20004422 208bbafc 208b3b30 20d4b530 GPR16: 00000000 ffffffff 1f88a730 00000000 eddd9e18 eeb14978 00000001 00004000 GPR24: 00004000 c076d878 c0761b20 00000000 eeb10000 00000001 00000001 eeb7b000 [ 39.308222] NIP [c04bf264] radeon_audio_enable+0x4/0x18 [ 39.313751] LR [c03fedf4] radeon_dvi_detect+0x388/0x3ac [ 39.319267] Call Trace: [ 39.321850] [eddd9d00] [c03fedf4] radeon_dvi_detect+0x388/0x3ac (unreliable) [ 39.329340] [eddd9d30] [c03a985c] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x448 [ 39.338548] [eddd9d70] [c03c5afc] drm_mode_getconnector+0xe4/0x334 [ 39.345099] [eddd9e10] [c03b89a0] drm_ioctl+0x374/0x458 [ 39.350639] [eddd9ed0] [c00d9ff0] do_vfs_ioctl+0x52c/0x6e8 [ 39.356450] [eddd9f20] [c00da1ec] SyS_ioctl+0x40/0x68 [ 39.361800] [eddd9f40] [c000ac24] ret_from_syscall+0x0/0x3c [ 39.367701] --- interrupt: c01 at 0x2014e1dc [ 39.367701] LR = 0x2014e100 [ 39.375501] Instruction dump: [ 39.378653] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6 [ 39.386958] 4e800420 38600000 4e800020 81231cf0 <81290008> 2f890000 4d9e0020 7d2903a6 [ 39.550838] ---[ end trace 3836187126bca8ff ]--- [ 39.555457] --------------080501000700030107050800 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
On 5/22/2015 7:57 AM, Julian Margetson wrote:
On 5/18/2015 7:00 PM, Alex Deucher wrote:
On Mon, May 18, 2015 at 6:41 PM, Julian Margetson <runaway@candw.ms> wrote:
On 5/18/2015 4:59 PM, Alex Deucher wrote:

Snip



=C2=A0 * Starting NTP server ntpd=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 [=C2=A0=C2=A0 28.819002] Unable to handle kernel
paging request for data at address 0x00000008
[=C2=A0=C2=A0 28.860330] Faulting instruction address: 0xc04a52= 18
[=C2=A0=C2=A0 30.874910] Oops: Kernel access of bad area, sig: = 11 [#1]
[=C2=A0=C2=A0 30.892488] PREEMPT Canyonlands
[=C2=A0=C2=A0 30.907764] Modules linked in:
[=C2=A0=C2=A0 30.922944] CPU: 0 PID: 1949 Comm: Xorg Not tainte= d 4.0.4-Sam460ex #4
[=C2=A0=C2=A0 30.941699] task: edd7a920 ti: ee6d0000 task.ti: e= e6d0000
[=C2=A0=C2=A0 30.959284] NIP: c04a5218 LR: c04a5544 CTR: 000000= 00
[=C2=A0=C2=A0 30.976315] REGS: ee6d1c30 TRAP: 0300=C2=A0=C2=A0 = Not tainted=C2=A0 (4.0.4-Sam460ex)
[=C2=A0=C2=A0 30.995038] MSR: 00029000 <CE,EE,ME>=C2=A0 C= R: 24004242=C2=A0 XER: 00000000
[=C2=A0=C2=A0 31.013805] DEAR: 00000008 ESR: 00000000
GPR00: c04a5530 ee6d1ce0 edd7a920 ee984000 00000000 00000000 c0ac2c04
61626c69
GPR08: 00000000 00000000 00000000 ee6d1ce0 24004244 b7e90afc b84d1ab0
b84d0530
GPR16: 00000000 ffffffff 6f23c730 ee6d1e18 c03add64 eea00578 00000001
00004000
GPR24: 00004000 c0719b98 eeb62200 c08d825c ee4e4000 ee984000 00000000
eeaf8f00
[=C2=A0=C2=A0 31.111915] NIP [c04a5218] radeon_audio_enable+0x4= /0x18
[=C2=A0=C2=A0 31.130834] LR [c04a5544] radeon_audio_detect+0x15= 0/0x1bc
[=C2=A0=C2=A0 31.150046] Call Trace:
[=C2=A0=C2=A0 31.166259] [ee6d1ce0] [c04a5530] radeon_audio_detect+0x13c/0x1bc
(unreliable)
[=C2=A0=C2=A0 31.187768] [ee6d1d00] [c03e69b4] radeon_dvi_detect+0x3a8/0x3cc
[=C2=A0=C2=A0 31.207983] [ee6d1d30] [c0391cf8]
drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x448
[=C2=A0=C2=A0 31.231287] [ee6d1d70] [c03ade48] drm_mode_getconnector+0xe4/0x334
[=C2=A0=C2=A0 31.252222] [ee6d1e10] [c03a0bf4] drm_ioctl+0x348/= 0x464
[=C2=A0=C2=A0 31.272107] [ee6d1ed0] [c00ce2e4] do_vfs_ioctl+0x5= 2c/0x6e8
[=C2=A0=C2=A0 31.292084] [ee6d1f20] [c00ce4e0] SyS_ioctl+0x40/0= x68
[=C2=A0=C2=A0 31.311408] [ee6d1f40] [c000ab1c] ret_from_syscall= +0x0/0x3c
[=C2=A0=C2=A0 31.331466] --- interrupt: c01 at 0x6fb001dc
[=C2=A0=C2=A0 31.331466]=C2=A0=C2=A0=C2=A0=C2=A0 LR =3D 0x6fb00= 100
[=C2=A0=C2=A0 31.368093] Instruction dump:
[=C2=A0=C2=A0 31.385716] 8129012c 806a0018 2f890000 419e0018 81= 290004 2f890000
419e000c 7d2903a6
[=C2=A0=C2=A0 31.408631] 4e800420 38600000 4e800020 81231cd8 <81290008> 2f890000
4d9e0020 7d2903a6
[=C2=A0=C2=A0 31.587312] ---[ end trace 2a6dca2844a1913c ]---
[=C2=A0=C2=A0 31.591930]
[=C2=A0=C2=A0 32.489288] init: bluetooth main process (2051) te= rminated with status 1
[=C2=A0=C2=A0 32.501384] init: bluetooth main process ended, re= spawning
[=C2=A0=C2=A0 33.156098] init: bluetooth main process (2076) te= rminated with status 1
[=C2=A0=C2=A0 33.183330] init: bluetooth main process ended, re= spawning
[=C2=A0=C2=A0 33.859517] init: bluetooth main process (2124) te= rminated with status 1
[=C2=A0=C2=A0 33.880582] init: bluetooth main process ended, re= spawning
[=C2=A0=C2=A0 34.450457] init: bluetooth main process (2177) te= rminated with status 1
[=C2=A0=C2=A0 34.457287] init: bluetooth main process ended, re= spawning
=C2=A0 * Starting Mount filesystems on boot[ OK ]

Are you sure you booted the right kernel and applied both patches?=C2=A0 I
don't see any of the debugging output from the patch.

Alex


The issues started with HDMI=C2=A0 from Kernel 4.0.0-rc1. Could not= get the git bisect completed.
Any suggestions to get around the error=C2=A0 below ?

(.text+0x865dc): undefined reference to `__get_user_bad'

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

More issues with Kernel 4.0.0-rc1

[=C2=A0=C2=A0 33.535692] Unable to handle kernel paging request for= data at address 0x00000008
[=C2=A0=C2=A0 33.566786] Faulting instruction address: 0xc049db84
[=C2=A0=C2=A0 33.574188] Vector: 300 (Data Access) at [eeb13c20]
[=C2=A0=C2=A0 33.579086]=C2=A0=C2=A0=C2=A0=C2=A0 pc: c049db84: rade= on_audio_enable+0x4/0x18
[=C2=A0=C2=A0 33.584630]=C2=A0=C2=A0=C2=A0=C2=A0 lr: c049e2f4: rade= on_audio_detect+0x288/0x290
[=C2=A0=C2=A0 33.590429]=C2=A0=C2=A0=C2=A0=C2=A0 sp: eeb13cd0
[=C2=A0=C2=A0 33.593310]=C2=A0=C2=A0=C2=A0 msr: 29000
[=C2=A0=C2=A0 33.595931]=C2=A0=C2=A0=C2=A0 dar: 8
[=C2=A0=C2=A0 33.598207]=C2=A0 dsisr: 0
[=C2=A0=C2=A0 33.600480]=C2=A0=C2=A0 current =3D 0xeea93ac0
[=C2=A0=C2=A0 33.603885]=C2=A0=C2=A0=C2=A0=C2=A0 pid=C2=A0=C2=A0 =3D= 2311, comm =3D Xorg
[=C2=A0=C2=A0 33.607922] enter ? for help
[=C2=A0=C2=A0 33.610806] [link register=C2=A0=C2=A0 ] c049e2f4 radeon_audio_detect+0x288/0x290
[=C2=A0=C2=A0 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x= 1e8/0x290 (unreliable)
[=C2=A0=C2=A0 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x38= 8/0x3ac
[=C2=A0=C2=A0 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
[=C2=A0=C2=A0 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334
[=C2=A0=C2=A0 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464
[=C2=A0=C2=A0 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6= e8
[=C2=A0=C2=A0 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68
[=C2=A0=C2=A0 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0= x3c
[=C2=A0=C2=A0 33.665896] --- Exception: c01 (System Call) at 6fb1b8= dc
[=C2=A0=C2=A0 33.671253] SP (bfa56d20) is in userspace
[=C2=A0=C2=A0 33.675263] mon>=C2=A0 <no input ...>
[=C2=A0=C2=A0 35.703835] Oops: Kernel access of bad area, sig: 11 [= #1]
[=C2=A0=C2=A0 35.709554] PREEMPT Canyonlands
[=C2=A0=C2=A0 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
[=C2=A0=C2=A0 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1
[=C2=A0=C2=A0 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12= 000
[=C2=A0=C2=A0 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000
[=C2=A0=C2=A0 35.756098] REGS: eeb13c20 TRAP: 0300=C2=A0=C2=A0 Not = tainted=C2=A0 (4.0.0-rc1-Sam460ex)
[=C2=A0=C2=A0 35.763241] MSR: 00029000 <CE,EE,ME>=C2=A0 CR: 2= 4004422=C2=A0 XER: 20000000
[=C2=A0=C2=A0 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
[=C2=A0=C2=A0 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x1= 8
[=C2=A0=C2=A0 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x= 290
[=C2=A0=C2=A0 35.815480] Call Trace:
[=C2=A0=C2=A0 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable)
[=C2=A0=C2=A0 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x= 388/0x3ac
[=C2=A0=C2=A0 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434
[=C2=A0=C2=A0 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334
[=C2=A0=C2=A0 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x46= 4
[=C2=A0=C2=A0 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0= x6e8
[=C2=A0=C2=A0 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68
[=C2=A0=C2=A0 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0= /0x3c
[=C2=A0=C2=A0 35.870196] --- interrupt: c01 at 0x6fb1b8dc
[=C2=A0=C2=A0 35.870196]=C2=A0=C2=A0=C2=A0=C2=A0 LR =3D 0x6fb1b800
[=C2=A0=C2=A0 35.877971] Instruction dump:
[=C2=A0=C2=A0 35.881106] 8129012c 806a0018 2f890000 419e0018 812900= 04 2f890000 419e000c 7d2903a6
[=C2=A0=C2=A0 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6
[=C2=A0=C2=A0 36.042121] ---[ end trace 3e83f5fa0d05c678 ]---
[=C2=A0=C2=A0 36.046739]


With Kernel 3.19

[=C2=A0=C2=A0=C2=A0 2.454668] Linux agpgart interface v0.103
[=C2=A0=C2=A0=C2=A0 2.458979] [drm] Initialized drm 1.1.0 20060810
[=C2=A0=C2=A0=C2=A0 2.463814] [drm] radeon kernel modesetting enabl= ed.
[=C2=A0=C2=A0=C2=A0 2.469870] [drm] initializing kernel modesetting= (TURKS 0x1002:0x6758 0x1682:0x318B).
[=C2=A0=C2=A0=C2=A0 2.478007] [drm] register mmio base: 0xe90000000
[=C2=A0=C2=A0=C2=A0 2.482774] [drm] register mmio size: 131072
[=C2=A0=C2=A0=C2=A0 2.665432] ATOM BIOS: TURKS
[=C2=A0=C2=A0=C2=A0 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x00= 00000000000000 - 0x000000003FFFFFFF (1024M used)
[=C2=A0=C2=A0=C2=A0 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x000= 0000040000000 - 0x000000007FFFFFFF
[=C2=A0=C2=A0=C2=A0 2.685201] [drm] Detected VRAM RAM=3D1024M, BAR=3D= 256M
[=C2=A0=C2=A0=C2=A0 2.690094] [drm] RAM width 128bits DDR
[=C2=A0=C2=A0=C2=A0 2.694109] [TTM] Zone=C2=A0 kernel: Available gr= aphics memory: 379192 kiB
[=C2=A0=C2=A0=C2=A0 2.700596] [TTM] Zone highmem: Available graphic= s memory: 1034552 kiB
[=C2=A0=C2=A0=C2=A0 2.707147] [TTM] Initializing pool allocator
[=C2=A0=C2=A0=C2=A0 2.711540] [TTM] Initializing DMA pool allocator
[=C2=A0=C2=A0=C2=A0 2.716359] [drm] radeon: 1024M of VRAM memory re= ady
[=C2=A0=C2=A0=C2=A0 2.721355] [drm] radeon: 1024M of GTT memory rea= dy.
[=C2=A0=C2=A0=C2=A0 2.726395] [drm] Loading TURKS Microcode
[=C2=A0=C2=A0=C2=A0 2.730457] [drm] Internal thermal controller wit= h fan control
[=C2=A0=C2=A0=C2=A0 2.741697] [drm] radeon: dpm initialized
[=C2=A0=C2=A0=C2=A0 2.745907] [drm] GART: num cpu pages 262144, num= gpu pages 262144
[=C2=A0=C2=A0=C2=A0 2.787690] [drm] PCIE GART of 1024M enabled (tab= le at 0x0000000000274000).
[=C2=A0=C2=A0=C2=A0 2.794953] radeon 0001:81:00.0: WB enabled
[=C2=A0=C2=A0=C2=A0 2.799182] radeon 0001:81:00.0: fence driver on = ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00
[=C2=A0=C2=A0=C2=A0 2.809300] radeon 0001:81:00.0: fence driver on = ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c
[=C2=A0=C2=A0=C2=A0 2.839260] radeon 0001:81:00.0: fence driver on = ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118
[=C2=A0=C2=A0=C2=A0 2.849411] [drm] Supports vblank timestamp cachi= ng Rev 2 (21.10.2013).
[=C2=A0=C2=A0=C2=A0 2.856067] [drm] Driver supports precise vblank = timestamp query.
[=C2=A0=C2=A0=C2=A0 2.862183] radeon 0001:81:00.0: radeon: MSI limi= ted to 32-bit
[=C2=A0=C2=A0=C2=A0 2.868058] ppc4xx_setup_msi_irqs: fail allocatin= g msi interrupt
[=C2=A0=C2=A0=C2=A0 2.874153] [drm] radeon: irq initialized.
[=C2=A0=C2=A0=C2=A0 3.103973] [drm:r600_ring_test] *ERROR* radeon: = ring 0 test failed (scratch(0x8504)=3D0xCAFEDEAD)
[=C2=A0=C2=A0=C2=A0 3.112806] radeon 0001:81:00.0: disabling GPU ac= celeration
[=C2=A0=C2=A0=C2=A0 3.128627] [drm] Radeon Display Connectors
[=C2=A0=C2=A0=C2=A0 3.133369] [drm] Connector 0:
[=C2=A0=C2=A0=C2=A0 3.136481] [drm]=C2=A0=C2=A0 DP-1
[=C2=A0=C2=A0=C2=A0 3.139089] [drm]=C2=A0=C2=A0 HPD1
[=C2=A0=C2=A0=C2=A0 3.141665] [drm]=C2=A0=C2=A0 DDC: 0x6470 0x6470 = 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c
[=C2=A0=C2=A0=C2=A0 3.149146] [drm]=C2=A0=C2=A0 Encoders:
[=C2=A0=C2=A0=C2=A0 3.152157] [drm]=C2=A0=C2=A0=C2=A0=C2=A0 DFP1: I= NTERNAL_UNIPHY2
[=C2=A0=C2=A0=C2=A0 3.156473] [drm] Connector 1:
[=C2=A0=C2=A0=C2=A0 3.159570] [drm]=C2=A0=C2=A0 HDMI-A-1
[=C2=A0=C2=A0=C2=A0 3.162469] [drm]=C2=A0=C2=A0 HPD5
[=C2=A0=C2=A0=C2=A0 3.165019] [drm]=C2=A0=C2=A0 DDC: 0x6480 0x6480 = 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c
[=C2=A0=C2=A0=C2=A0 3.172436] [drm]=C2=A0=C2=A0 Encoders:
[=C2=A0=C2=A0=C2=A0 3.175415] [drm]=C2=A0=C2=A0=C2=A0=C2=A0 DFP2: I= NTERNAL_UNIPHY2
[=C2=A0=C2=A0=C2=A0 3.179703] [drm] Connector 2:
[=C2=A0=C2=A0=C2=A0 3.182766] [drm]=C2=A0=C2=A0 DVI-I-1
[=C2=A0=C2=A0=C2=A0 3.185570] [drm]=C2=A0=C2=A0 HPD4
[=C2=A0=C2=A0=C2=A0 3.188117] [drm]=C2=A0=C2=A0 DDC: 0x6450 0x6450 = 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c
[=C2=A0=C2=A0=C2=A0 3.195535] [drm]=C2=A0=C2=A0 Encoders:
[=C2=A0=C2=A0=C2=A0 3.198513] [drm]=C2=A0=C2=A0=C2=A0=C2=A0 DFP3: I= NTERNAL_UNIPHY
[=C2=A0=C2=A0=C2=A0 3.202706] [drm]=C2=A0=C2=A0=C2=A0=C2=A0 CRT1: I= NTERNAL_KLDSCP_DAC1
[=C2=A0=C2=A0=C2=A0 3.352245] [drm] fb mappable at 0x80475000
[=C2=A0=C2=A0=C2=A0 3.356458] [drm] vram apper at 0x80000000
[=C2=A0=C2=A0=C2=A0 3.360570] [drm] size 8294400
[=C2=A0=C2=A0=C2=A0 3.363634] [drm] fb depth is 24
[=C2=A0=C2=A0=C2=A0 3.366873] [drm]=C2=A0=C2=A0=C2=A0 pitch is 7680
[=C2=A0=C2=A0=C2=A0 3.575080] Console: switching to colour frame bu= ffer device 240x67
[=C2=A0=C2=A0=C2=A0 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb= frame buffer device
[=C2=A0=C2=A0=C2=A0 3.656071] radeon 0001:81:00.0: registered panic= notifier
[=C2=A0=C2=A0=C2=A0 3.666472] [drm] Initialized radeon 2.40.0 20080= 528 for 0001:81:00.0 on minor 0




Problems with=C2=A0 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=C2=A0 DVI output used but not when HDMI output used.


=C2=A0git 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! 



Thank you.

While the issue when using DVI video output is now ok with the latest=20
fixes the oops still happens when using=C2=A0 HDMI video output.


[   31.224167] Unable to handle kernel paging request for data at address=
 0x00000008
[   31.273597] Faulting instruction address: 0xc04bf264
[   39.225572] Oops: Kernel access of bad area, sig: 11 [#1]
[   39.231310] PREEMPT Canyonlands
[   39.234650] Modules linked in:
[   39.237894] CPU: 0 PID: 2009 Comm: Xorg Not tainted 4.1.0-rc5-Sam460ex=
-00161-gaaa20fc-dirty #24
[   39.247084] task: edf0bac0 ti: eddd8000 task.ti: eddd8000
[   39.252784] NIP: c04bf264 LR: c03fedf4 CTR: c03eff70
[   39.258028] REGS: eddd9c50 TRAP: 0300   Not tainted  (4.1.0-rc5-Sam460=
ex-00161-gaaa20fc-dirty)
[   39.267124] MSR: 00029000 <CE,EE,ME>  CR: 24004442  XER: 0000000=
0
[   39.273678] DEAR: 00000008 ESR: 00000000=20
GPR00: c03fedf4 eddd9d00 edf0bac0 eeb10000 00000000 0000000f eddd9be8 000=
00000=20
GPR08: 0000f6a3 00000000 eeb14800 eddd9cc0 20004422 208bbafc 208b3b30 20d=
4b530=20
GPR16: 00000000 ffffffff 1f88a730 00000000 eddd9e18 eeb14978 00000001 000=
04000=20
GPR24: 00004000 c076d878 c0761b20 00000000 eeb10000 00000001 00000001 eeb=
7b000=20
[   39.308222] NIP [c04bf264] radeon_audio_enable+0x4/0x18
[   39.313751] LR [c03fedf4] radeon_dvi_detect+0x388/0x3ac
[   39.319267] Call Trace:
[   39.321850] [eddd9d00] [c03fedf4] radeon_dvi_detect+0x388/0x3ac (unrel=
iable)
[   39.329340] [eddd9d30] [c03a985c] drm_helper_probe_single_connector_mo=
des_merge_bits+0xf4/0x448
[   39.338548] [eddd9d70] [c03c5afc] drm_mode_getconnector+0xe4/0x334
[   39.345099] [eddd9e10] [c03b89a0] drm_ioctl+0x374/0x458
[   39.350639] [eddd9ed0] [c00d9ff0] do_vfs_ioctl+0x52c/0x6e8
[   39.356450] [eddd9f20] [c00da1ec] SyS_ioctl+0x40/0x68
[   39.361800] [eddd9f40] [c000ac24] ret_from_syscall+0x0/0x3c
[   39.367701] --- interrupt: c01 at 0x2014e1dc
[   39.367701]     LR =3D 0x2014e100
[   39.375501] Instruction dump:
[   39.378653] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e=
000c 7d2903a6=20
[   39.386958] 4e800420 38600000 4e800020 81231cf0 <81290008> 2f890=
000 4d9e0020 7d2903a6=20
[   39.550838] ---[ end trace 3836187126bca8ff ]---
[   39.555457]
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