* [i915] BUG: Bad page state in process Xorg
@ 2013-11-20 20:55 Thomas Meyer
2013-11-22 10:36 ` Dave Airlie
2013-11-22 10:55 ` Chris Wilson
0 siblings, 2 replies; 14+ messages in thread
From: Thomas Meyer @ 2013-11-20 20:55 UTC (permalink / raw)
To: airlied, Linux Kernel Mailing List
Hi,
I reported this bug a few days ago, but nobody did respond to my bug
report:
http://lkml.indiana.edu/hypermail/linux/kernel/1311.2/00058.html
Every time I restart the X server I will run into this bug with 3.12.0.
Help is welcome.
[ 9913.719551] BUG: Bad page state in process Xorg pfn:20f2bb
[ 9913.721755] page:ffffea00083caec0 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xe
[ 9913.733741] page flags: 0x800000000008001c(referenced|uptodate|dirty|swapbacked)
[ 9913.741062] Modules linked in: tcp_lp fuse ipt_MASQUERADE ip6t_REJECT xt_conntrack bluetooth ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw arc4 iwldvm snd_usb_audio mac80211 snd_hda_codec_hdmi iwlwifi snd_hda_codec_realtek snd_usbmidi_lib snd_hda_intel kvm_intel asix snd_hda_codec usbnet kvm atl1c snd_hwdep mii snd_seq acer_wmi acerhdf sparse_keymap snd_pcm joydev pcspkr cfg80211 rfkill acpi_cpufreq freq_table snd_rawmidi snd_seq_device snd_page_alloc snd_timer snd wmi soundcore uinput ipv6 xts gf128mul udl syscopyarea sysfillrect sysimgblt drm_usb usb_storage
[ 9913.741125] CPU: 0 PID: 723 Comm: Xorg Tainted: G B 3.12.0 #2
[ 9913.741128] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
[ 9913.741130] 0000000000000000 ffff880213127cc0 ffffffff8154dc8b ffff880213127cd8
[ 9913.741135] ffffffff8154b6e7 ffffea00083caec0 ffff880213127d10 ffffffff810c6955
[ 9913.741139] ffffea00083caec0 800000000008001c 0000000000000000 ffff880234080000
[ 9913.741143] Call Trace:
[ 9913.741151] [<ffffffff8154dc8b>] dump_stack+0x19/0x1b
[ 9913.741155] [<ffffffff8154b6e7>] bad_page+0xc9/0xe2
[ 9913.741160] [<ffffffff810c6955>] free_pages_prepare+0xd5/0xe0
[ 9913.741165] [<ffffffff810c725d>] free_hot_cold_page+0x1d/0x120
[ 9913.741169] [<ffffffff810cbe9e>] __put_single_page+0x1e/0x30
[ 9913.741172] [<ffffffff810cc045>] put_page+0x25/0x40
[ 9913.741178] [<ffffffff81346a73>] i915_gem_object_put_pages_gtt+0xc3/0x1a0
[ 9913.741183] [<ffffffff81348378>] i915_gem_object_put_pages+0x78/0xd0
[ 9913.741187] [<ffffffff8134a167>] i915_gem_free_object+0xe7/0x220
[ 9913.741192] [<ffffffff81318a75>] drm_gem_object_free+0x25/0x30
[ 9913.741196] [<ffffffff8132e5db>] drm_gem_dmabuf_release+0x4b/0x70
[ 9913.741201] [<ffffffff813ae0b7>] dma_buf_release+0x27/0x90
[ 9913.741205] [<ffffffff8110deab>] __fput+0xcb/0x240
[ 9913.741209] [<ffffffff8110e059>] ____fput+0x9/0x10
[ 9913.741214] [<ffffffff81052b5c>] task_work_run+0x9c/0xc0
[ 9913.741219] [<ffffffff8103a365>] do_exit+0x6d5/0x9d0
[ 9913.741223] [<ffffffff81551063>] ? __schedule+0x243/0x5e0
[ 9913.741227] [<ffffffff81052b44>] ? task_work_run+0x84/0xc0
[ 9913.741232] [<ffffffff8103b4d5>] do_group_exit+0x35/0x90
[ 9913.741236] [<ffffffff8103b53f>] SyS_exit_group+0xf/0x10
[ 9913.741241] [<ffffffff81558960>] system_call_fastpath+0x16/0x1b
[ 9913.741246] BUG: Bad page state in process Xorg pfn:20f2bc
[ 9913.749565] page:ffffea00083caf00 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xf
with kind regards
thomas
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-20 20:55 [i915] BUG: Bad page state in process Xorg Thomas Meyer
@ 2013-11-22 10:36 ` Dave Airlie
2013-11-22 10:55 ` Daniel Vetter
2013-11-22 10:55 ` Chris Wilson
1 sibling, 1 reply; 14+ messages in thread
From: Dave Airlie @ 2013-11-22 10:36 UTC (permalink / raw)
To: Thomas Meyer; +Cc: Linux Kernel Mailing List, DRI mailing list
> Hi,
cc'ing mailing list,
Daniel any ideas?
Dave.
> I reported this bug a few days ago, but nobody did respond to my bug
> report:
> http://lkml.indiana.edu/hypermail/linux/kernel/1311.2/00058.html
>
> Every time I restart the X server I will run into this bug with 3.12.0.
>
> Help is welcome.
>
> [ 9913.719551] BUG: Bad page state in process Xorg pfn:20f2bb
> [ 9913.721755] page:ffffea00083caec0 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xe
> [ 9913.733741] page flags: 0x800000000008001c(referenced|uptodate|dirty|swapbacked)
> [ 9913.741062] Modules linked in: tcp_lp fuse ipt_MASQUERADE ip6t_REJECT xt_conntrack bluetooth ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw arc4 iwldvm snd_usb_audio mac80211 snd_hda_codec_hdmi iwlwifi snd_hda_codec_realtek snd_usbmidi_lib snd_hda_intel kvm_intel asix snd_hda_codec usbnet kvm atl1c snd_hwdep mii snd_seq acer_wmi acerhdf sparse_keymap snd_pcm joydev pcspkr cfg80211 rfkill acpi_cpufreq freq_table snd_rawmidi snd_seq_device snd_page_alloc snd_timer snd wmi soundcore uinput ipv6 xts gf128mul udl syscopyarea sysfillrect sysimgblt drm_usb usb_storage
> [ 9913.741125] CPU: 0 PID: 723 Comm: Xorg Tainted: G B 3.12.0 #2
> [ 9913.741128] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
> [ 9913.741130] 0000000000000000 ffff880213127cc0 ffffffff8154dc8b ffff880213127cd8
> [ 9913.741135] ffffffff8154b6e7 ffffea00083caec0 ffff880213127d10 ffffffff810c6955
> [ 9913.741139] ffffea00083caec0 800000000008001c 0000000000000000 ffff880234080000
> [ 9913.741143] Call Trace:
> [ 9913.741151] [<ffffffff8154dc8b>] dump_stack+0x19/0x1b
> [ 9913.741155] [<ffffffff8154b6e7>] bad_page+0xc9/0xe2
> [ 9913.741160] [<ffffffff810c6955>] free_pages_prepare+0xd5/0xe0
> [ 9913.741165] [<ffffffff810c725d>] free_hot_cold_page+0x1d/0x120
> [ 9913.741169] [<ffffffff810cbe9e>] __put_single_page+0x1e/0x30
> [ 9913.741172] [<ffffffff810cc045>] put_page+0x25/0x40
> [ 9913.741178] [<ffffffff81346a73>] i915_gem_object_put_pages_gtt+0xc3/0x1a0
> [ 9913.741183] [<ffffffff81348378>] i915_gem_object_put_pages+0x78/0xd0
> [ 9913.741187] [<ffffffff8134a167>] i915_gem_free_object+0xe7/0x220
> [ 9913.741192] [<ffffffff81318a75>] drm_gem_object_free+0x25/0x30
> [ 9913.741196] [<ffffffff8132e5db>] drm_gem_dmabuf_release+0x4b/0x70
> [ 9913.741201] [<ffffffff813ae0b7>] dma_buf_release+0x27/0x90
> [ 9913.741205] [<ffffffff8110deab>] __fput+0xcb/0x240
> [ 9913.741209] [<ffffffff8110e059>] ____fput+0x9/0x10
> [ 9913.741214] [<ffffffff81052b5c>] task_work_run+0x9c/0xc0
> [ 9913.741219] [<ffffffff8103a365>] do_exit+0x6d5/0x9d0
> [ 9913.741223] [<ffffffff81551063>] ? __schedule+0x243/0x5e0
> [ 9913.741227] [<ffffffff81052b44>] ? task_work_run+0x84/0xc0
> [ 9913.741232] [<ffffffff8103b4d5>] do_group_exit+0x35/0x90
> [ 9913.741236] [<ffffffff8103b53f>] SyS_exit_group+0xf/0x10
> [ 9913.741241] [<ffffffff81558960>] system_call_fastpath+0x16/0x1b
> [ 9913.741246] BUG: Bad page state in process Xorg pfn:20f2bc
> [ 9913.749565] page:ffffea00083caf00 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xf
>
> with kind regards
> thomas
>
>
>
>
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-22 10:36 ` Dave Airlie
@ 2013-11-22 10:55 ` Daniel Vetter
2013-11-22 15:54 ` Thomas Meyer
0 siblings, 1 reply; 14+ messages in thread
From: Daniel Vetter @ 2013-11-22 10:55 UTC (permalink / raw)
To: Dave Airlie; +Cc: Thomas Meyer, Linux Kernel Mailing List, DRI mailing list
On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
>> Hi,
>
> cc'ing mailing list,
>
> Daniel any ideas?
Nope, not really :( And no ideas how to triage this further - if it
takes 9 days to hit it eventually we'll have a real hard time. Or does
this happen even after just a short X run?
Also is this a regression, i.e. please test a few older kernels, too.
-Daniel
>
> Dave.
>
>> I reported this bug a few days ago, but nobody did respond to my bug
>> report:
>> http://lkml.indiana.edu/hypermail/linux/kernel/1311.2/00058.html
>>
>> Every time I restart the X server I will run into this bug with 3.12.0.
>>
>> Help is welcome.
>>
>> [ 9913.719551] BUG: Bad page state in process Xorg pfn:20f2bb
>> [ 9913.721755] page:ffffea00083caec0 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xe
>> [ 9913.733741] page flags: 0x800000000008001c(referenced|uptodate|dirty|swapbacked)
>> [ 9913.741062] Modules linked in: tcp_lp fuse ipt_MASQUERADE ip6t_REJECT xt_conntrack bluetooth ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw arc4 iwldvm snd_usb_audio mac80211 snd_hda_codec_hdmi iwlwifi snd_hda_codec_realtek snd_usbmidi_lib snd_hda_intel kvm_intel asix snd_hda_codec usbnet kvm atl1c snd_hwdep mii snd_seq acer_wmi acerhdf sparse_keymap snd_pcm joydev pcspkr cfg80211 rfkill acpi_cpufreq freq_table snd_rawmidi snd_seq_device snd_page_alloc snd_timer snd wmi soundcore uinput ipv6 xts gf128mul udl syscopyarea sysfillrect sysimgblt drm_usb usb_storage
>> [ 9913.741125] CPU: 0 PID: 723 Comm: Xorg Tainted: G B 3.12.0 #2
>> [ 9913.741128] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
>> [ 9913.741130] 0000000000000000 ffff880213127cc0 ffffffff8154dc8b ffff880213127cd8
>> [ 9913.741135] ffffffff8154b6e7 ffffea00083caec0 ffff880213127d10 ffffffff810c6955
>> [ 9913.741139] ffffea00083caec0 800000000008001c 0000000000000000 ffff880234080000
>> [ 9913.741143] Call Trace:
>> [ 9913.741151] [<ffffffff8154dc8b>] dump_stack+0x19/0x1b
>> [ 9913.741155] [<ffffffff8154b6e7>] bad_page+0xc9/0xe2
>> [ 9913.741160] [<ffffffff810c6955>] free_pages_prepare+0xd5/0xe0
>> [ 9913.741165] [<ffffffff810c725d>] free_hot_cold_page+0x1d/0x120
>> [ 9913.741169] [<ffffffff810cbe9e>] __put_single_page+0x1e/0x30
>> [ 9913.741172] [<ffffffff810cc045>] put_page+0x25/0x40
>> [ 9913.741178] [<ffffffff81346a73>] i915_gem_object_put_pages_gtt+0xc3/0x1a0
>> [ 9913.741183] [<ffffffff81348378>] i915_gem_object_put_pages+0x78/0xd0
>> [ 9913.741187] [<ffffffff8134a167>] i915_gem_free_object+0xe7/0x220
>> [ 9913.741192] [<ffffffff81318a75>] drm_gem_object_free+0x25/0x30
>> [ 9913.741196] [<ffffffff8132e5db>] drm_gem_dmabuf_release+0x4b/0x70
>> [ 9913.741201] [<ffffffff813ae0b7>] dma_buf_release+0x27/0x90
>> [ 9913.741205] [<ffffffff8110deab>] __fput+0xcb/0x240
>> [ 9913.741209] [<ffffffff8110e059>] ____fput+0x9/0x10
>> [ 9913.741214] [<ffffffff81052b5c>] task_work_run+0x9c/0xc0
>> [ 9913.741219] [<ffffffff8103a365>] do_exit+0x6d5/0x9d0
>> [ 9913.741223] [<ffffffff81551063>] ? __schedule+0x243/0x5e0
>> [ 9913.741227] [<ffffffff81052b44>] ? task_work_run+0x84/0xc0
>> [ 9913.741232] [<ffffffff8103b4d5>] do_group_exit+0x35/0x90
>> [ 9913.741236] [<ffffffff8103b53f>] SyS_exit_group+0xf/0x10
>> [ 9913.741241] [<ffffffff81558960>] system_call_fastpath+0x16/0x1b
>> [ 9913.741246] BUG: Bad page state in process Xorg pfn:20f2bc
>> [ 9913.749565] page:ffffea00083caf00 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xf
>>
>> with kind regards
>> thomas
>>
>>
>>
>>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-22 10:55 ` Daniel Vetter
@ 2013-11-22 15:54 ` Thomas Meyer
2013-11-22 16:18 ` Daniel Vetter
0 siblings, 1 reply; 14+ messages in thread
From: Thomas Meyer @ 2013-11-22 15:54 UTC (permalink / raw)
To: Daniel Vetter; +Cc: Dave Airlie, Linux Kernel Mailing List, DRI mailing list
> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
>
> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
>>> Hi,
>>
>> cc'ing mailing list,
>>
>> Daniel any ideas?
>
> Nope, not really :( And no ideas how to triage this further - if it
> takes 9 days to hit it eventually we'll have a real hard time. Or does
> this happen even after just a short X run?
Seems to happen every time while stopping the x server. Also after a short run time.
The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
I did turn on config-debug-pagealloc but this didn't show any wrongness.
>
> Also is this a regression, i.e. please test a few older kernels, too.
> -Daniel
>
>>
>> Dave.
>>
>>> I reported this bug a few days ago, but nobody did respond to my bug
>>> report:
>>> http://lkml.indiana.edu/hypermail/linux/kernel/1311.2/00058.html
>>>
>>> Every time I restart the X server I will run into this bug with 3.12.0.
>>>
>>> Help is welcome.
>>>
>>> [ 9913.719551] BUG: Bad page state in process Xorg pfn:20f2bb
>>> [ 9913.721755] page:ffffea00083caec0 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xe
>>> [ 9913.733741] page flags: 0x800000000008001c(referenced|uptodate|dirty|swapbacked)
>>> [ 9913.741062] Modules linked in: tcp_lp fuse ipt_MASQUERADE ip6t_REJECT xt_conntrack bluetooth ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw arc4 iwldvm snd_usb_audio mac80211 snd_hda_codec_hdmi iwlwifi snd_hda_codec_realtek snd_usbmidi_lib snd_hda_intel kvm_intel asix snd_hda_codec usbnet kvm atl1c snd_hwdep mii snd_seq acer_wmi acerhdf sparse_keymap snd_pcm joydev pcspkr cfg80211 rfkill acpi_cpufreq freq_table snd_rawmidi snd_seq_device snd_page_alloc snd_timer snd wmi soundcore uinput ipv6 xts gf128mul udl syscopyarea sysfillrect sysimgblt drm_usb usb_storage
>>> [ 9913.741125] CPU: 0 PID: 723 Comm: Xorg Tainted: G B 3.12.0 #2
>>> [ 9913.741128] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
>>> [ 9913.741130] 0000000000000000 ffff880213127cc0 ffffffff8154dc8b ffff880213127cd8
>>> [ 9913.741135] ffffffff8154b6e7 ffffea00083caec0 ffff880213127d10 ffffffff810c6955
>>> [ 9913.741139] ffffea00083caec0 800000000008001c 0000000000000000 ffff880234080000
>>> [ 9913.741143] Call Trace:
>>> [ 9913.741151] [<ffffffff8154dc8b>] dump_stack+0x19/0x1b
>>> [ 9913.741155] [<ffffffff8154b6e7>] bad_page+0xc9/0xe2
>>> [ 9913.741160] [<ffffffff810c6955>] free_pages_prepare+0xd5/0xe0
>>> [ 9913.741165] [<ffffffff810c725d>] free_hot_cold_page+0x1d/0x120
>>> [ 9913.741169] [<ffffffff810cbe9e>] __put_single_page+0x1e/0x30
>>> [ 9913.741172] [<ffffffff810cc045>] put_page+0x25/0x40
>>> [ 9913.741178] [<ffffffff81346a73>] i915_gem_object_put_pages_gtt+0xc3/0x1a0
>>> [ 9913.741183] [<ffffffff81348378>] i915_gem_object_put_pages+0x78/0xd0
>>> [ 9913.741187] [<ffffffff8134a167>] i915_gem_free_object+0xe7/0x220
>>> [ 9913.741192] [<ffffffff81318a75>] drm_gem_object_free+0x25/0x30
>>> [ 9913.741196] [<ffffffff8132e5db>] drm_gem_dmabuf_release+0x4b/0x70
>>> [ 9913.741201] [<ffffffff813ae0b7>] dma_buf_release+0x27/0x90
>>> [ 9913.741205] [<ffffffff8110deab>] __fput+0xcb/0x240
>>> [ 9913.741209] [<ffffffff8110e059>] ____fput+0x9/0x10
>>> [ 9913.741214] [<ffffffff81052b5c>] task_work_run+0x9c/0xc0
>>> [ 9913.741219] [<ffffffff8103a365>] do_exit+0x6d5/0x9d0
>>> [ 9913.741223] [<ffffffff81551063>] ? __schedule+0x243/0x5e0
>>> [ 9913.741227] [<ffffffff81052b44>] ? task_work_run+0x84/0xc0
>>> [ 9913.741232] [<ffffffff8103b4d5>] do_group_exit+0x35/0x90
>>> [ 9913.741236] [<ffffffff8103b53f>] SyS_exit_group+0xf/0x10
>>> [ 9913.741241] [<ffffffff81558960>] system_call_fastpath+0x16/0x1b
>>> [ 9913.741246] BUG: Bad page state in process Xorg pfn:20f2bc
>>> [ 9913.749565] page:ffffea00083caf00 count:0 mapcount:0 mapping:ffff8802357975f8 index:0xf
>>>
>>> with kind regards
>>> thomas
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>
>
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-22 15:54 ` Thomas Meyer
@ 2013-11-22 16:18 ` Daniel Vetter
2013-11-22 17:06 ` Thomas Hellstrom
0 siblings, 1 reply; 14+ messages in thread
From: Daniel Vetter @ 2013-11-22 16:18 UTC (permalink / raw)
To: Thomas Meyer; +Cc: Dave Airlie, Linux Kernel Mailing List, DRI mailing list
On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
>> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
>>
>> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
>>>> Hi,
>>>
>>> cc'ing mailing list,
>>>
>>> Daniel any ideas?
>>
>> Nope, not really :( And no ideas how to triage this further - if it
>> takes 9 days to hit it eventually we'll have a real hard time. Or does
>> this happen even after just a short X run?
>
> Seems to happen every time while stopping the x server. Also after a short run time.
>
> The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
>
> I did turn on config-debug-pagealloc but this didn't show any wrongness.
In that case I think the bisect is the fastest way to insight - atm
I'm really at loss what could be wrong here.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-22 16:18 ` Daniel Vetter
@ 2013-11-22 17:06 ` Thomas Hellstrom
0 siblings, 0 replies; 14+ messages in thread
From: Thomas Hellstrom @ 2013-11-22 17:06 UTC (permalink / raw)
To: Daniel Vetter; +Cc: Thomas Meyer, Linux Kernel Mailing List, DRI mailing list
On 11/22/2013 05:18 PM, Daniel Vetter wrote:
> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
>>> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
>>>
>>> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
>>>>> Hi,
>>>> cc'ing mailing list,
>>>>
>>>> Daniel any ideas?
>>> Nope, not really :( And no ideas how to triage this further - if it
>>> takes 9 days to hit it eventually we'll have a real hard time. Or does
>>> this happen even after just a short X run?
>> Seems to happen every time while stopping the x server. Also after a short run time.
>>
>> The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
>>
>> I did turn on config-debug-pagealloc but this didn't show any wrongness.
> In that case I think the bisect is the fastest way to insight - atm
> I'm really at loss what could be wrong here.
From the error messages it looks like whatever's responsible for
clearing page->mapping doesn't do it for these pages,
(shmem code?).
/Thomas
> -Daniel
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-20 20:55 [i915] BUG: Bad page state in process Xorg Thomas Meyer
2013-11-22 10:36 ` Dave Airlie
@ 2013-11-22 10:55 ` Chris Wilson
2013-11-22 15:56 ` Thomas Meyer
1 sibling, 1 reply; 14+ messages in thread
From: Chris Wilson @ 2013-11-22 10:55 UTC (permalink / raw)
To: Thomas Meyer; +Cc: airlied, Linux Kernel Mailing List, dri-devel
On Wed, Nov 20, 2013 at 09:55:28PM +0100, Thomas Meyer wrote:
> Hi,
>
> I reported this bug a few days ago, but nobody did respond to my bug
> report:
> http://lkml.indiana.edu/hypermail/linux/kernel/1311.2/00058.html
>
> Every time I restart the X server I will run into this bug with 3.12.0.
I think whilst we scratch our heads wondering about what could cause
corruption in our struct page, we would welcome a bisection. If it dies
during X startup, it would seems like a bisection would progress
quickly. Thanks,
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
2013-11-22 10:55 ` Chris Wilson
@ 2013-11-22 15:56 ` Thomas Meyer
0 siblings, 0 replies; 14+ messages in thread
From: Thomas Meyer @ 2013-11-22 15:56 UTC (permalink / raw)
To: Chris Wilson
Cc: airlied, Linux Kernel Mailing List,
dri-devel@lists.freedesktop.org
> Am 22.11.2013 um 11:55 schrieb Chris Wilson <chris@chris-wilson.co.uk>:
>
>> On Wed, Nov 20, 2013 at 09:55:28PM +0100, Thomas Meyer wrote:
>> Hi,
>>
>> I reported this bug a few days ago, but nobody did respond to my bug
>> report:
>> http://lkml.indiana.edu/hypermail/linux/kernel/1311.2/00058.html
>>
>> Every time I restart the X server I will run into this bug with 3.12.0.
>
> I think whilst we scratch our heads wondering about what could cause
> corruption in our struct page, we would welcome a bisection. If it dies
> during X startup, it would seems like a bisection would progress
> quickly. Thanks,
No, but on every(?) shutdown of the Xorg server. So I'll try to bisect this. Hopefully I'll find some time this weekend.
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [i915] BUG: Bad page state in process Xorg
@ 2013-11-25 13:17 thomas
2013-11-25 13:23 ` Rob Clark
0 siblings, 1 reply; 14+ messages in thread
From: thomas @ 2013-11-25 13:17 UTC (permalink / raw)
To: daniel, robdclark
Cc: DRI mailing list, Dave Airlie, Linux Kernel Mailing List
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=utf-8, Size: 1537 bytes --]
Hi,
It turns out that this seems to be a bug in udl DRM driver.
I bisected the problem to this patch:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=5dc9e1e87229cb786a5bb58ddd0d60fee6eb4641
With kind regards
Thomas
Am 22.11.2013 17:18 schrieb Daniel Vetter <daniel@ffwll.ch>:
>
> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
> >> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
> >>
> >> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
> >>>> Hi,
> >>>
> >>> cc'ing mailing list,
> >>>
> >>> Daniel any ideas?
> >>
> >> Nope, not really :( And no ideas how to triage this further - if it
> >> takes 9 days to hit it eventually we'll have a real hard time. Or does
> >> this happen even after just a short X run?
> >
> > Seems to happen every time while stopping the x server. Also after a short run time.
> >
> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
> >
> > I did turn on config-debug-pagealloc but this didn't show any wrongness.
>
> In that case I think the bisect is the fastest way to insight - atm
> I'm really at loss what could be wrong here.
> -Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
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^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [i915] BUG: Bad page state in process Xorg
2013-11-25 13:17 thomas
@ 2013-11-25 13:23 ` Rob Clark
2013-11-30 8:33 ` Thomas Meyer
0 siblings, 1 reply; 14+ messages in thread
From: Rob Clark @ 2013-11-25 13:23 UTC (permalink / raw)
To: Thomas Meyer
Cc: Daniel Vetter, DRI mailing list, Dave Airlie,
Linux Kernel Mailing List
oh, hmm.. are you importing buffers from i915? It looks like this part:
- if (obj->base.import_attach) {
- drm_free_large(obj->pages);
- obj->pages = NULL;
- return;
- }
should not have been removed from udl_gem_put_pages()..
BR,
-R
On Mon, Nov 25, 2013 at 8:17 AM, <thomas@m3y3r.de> wrote:
> Hi,
>
> It turns out that this seems to be a bug in udl DRM driver.
>
> I bisected the problem to this patch:
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=5dc9e1e87229cb786a5bb58ddd0d60fee6eb4641
>
> With kind regards
> Thomas
>
> Am 22.11.2013 17:18 schrieb Daniel Vetter <daniel@ffwll.ch>:
>>
>> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
>> >> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
>> >>
>> >> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
>> >>>> Hi,
>> >>>
>> >>> cc'ing mailing list,
>> >>>
>> >>> Daniel any ideas?
>> >>
>> >> Nope, not really :( And no ideas how to triage this further - if it
>> >> takes 9 days to hit it eventually we'll have a real hard time. Or does
>> >> this happen even after just a short X run?
>> >
>> > Seems to happen every time while stopping the x server. Also after a short run time.
>> >
>> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
>> >
>> > I did turn on config-debug-pagealloc but this didn't show any wrongness.
>>
>> In that case I think the bisect is the fastest way to insight - atm
>> I'm really at loss what could be wrong here.
>> -Daniel
>> --
>> Daniel Vetter
>> Software Engineer, Intel Corporation
>> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [i915] BUG: Bad page state in process Xorg
2013-11-25 13:23 ` Rob Clark
@ 2013-11-30 8:33 ` Thomas Meyer
2013-11-30 13:55 ` Rob Clark
0 siblings, 1 reply; 14+ messages in thread
From: Thomas Meyer @ 2013-11-30 8:33 UTC (permalink / raw)
To: Rob Clark
Cc: Daniel Vetter, DRI mailing list, Dave Airlie,
Linux Kernel Mailing List
Am Montag, den 25.11.2013, 08:23 -0500 schrieb Rob Clark:
> oh, hmm.. are you importing buffers from i915? It looks like this part:
My computer has an i915 graphic card and I use an USB docking station,
that has an unconnected UDL device inside.
>
> - if (obj->base.import_attach) {
> - drm_free_large(obj->pages);
> - obj->pages = NULL;
> - return;
> - }
>
> should not have been removed from udl_gem_put_pages()..
Do you want me to test this? Can this please be fixed in the stable
tree?
I removed the UDL driver from my config for now, as I don't use it.
*
best regards
thomas
>
> BR,
> -R
>
> On Mon, Nov 25, 2013 at 8:17 AM, <thomas@m3y3r.de> wrote:
> > Hi,
> >
> > It turns out that this seems to be a bug in udl DRM driver.
> >
> > I bisected the problem to this patch:
> >
> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=5dc9e1e87229cb786a5bb58ddd0d60fee6eb4641
> >
> > With kind regards
> > Thomas
> >
> > Am 22.11.2013 17:18 schrieb Daniel Vetter <daniel@ffwll.ch>:
> >>
> >> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
> >> >> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
> >> >>
> >> >> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
> >> >>>> Hi,
> >> >>>
> >> >>> cc'ing mailing list,
> >> >>>
> >> >>> Daniel any ideas?
> >> >>
> >> >> Nope, not really :( And no ideas how to triage this further - if it
> >> >> takes 9 days to hit it eventually we'll have a real hard time. Or does
> >> >> this happen even after just a short X run?
> >> >
> >> > Seems to happen every time while stopping the x server. Also after a short run time.
> >> >
> >> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
> >> >
> >> > I did turn on config-debug-pagealloc but this didn't show any wrongness.
> >>
> >> In that case I think the bisect is the fastest way to insight - atm
> >> I'm really at loss what could be wrong here.
> >> -Daniel
> >> --
> >> Daniel Vetter
> >> Software Engineer, Intel Corporation
> >> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [i915] BUG: Bad page state in process Xorg
2013-11-30 8:33 ` Thomas Meyer
@ 2013-11-30 13:55 ` Rob Clark
2013-12-04 22:33 ` Thomas Meyer
0 siblings, 1 reply; 14+ messages in thread
From: Rob Clark @ 2013-11-30 13:55 UTC (permalink / raw)
To: Thomas Meyer
Cc: Daniel Vetter, DRI mailing list, Dave Airlie,
Linux Kernel Mailing List
On Sat, Nov 30, 2013 at 3:33 AM, Thomas Meyer <thomas@m3y3r.de> wrote:
> Am Montag, den 25.11.2013, 08:23 -0500 schrieb Rob Clark:
>> oh, hmm.. are you importing buffers from i915? It looks like this part:
>
> My computer has an i915 graphic card and I use an USB docking station,
> that has an unconnected UDL device inside.
>
>>
>> - if (obj->base.import_attach) {
>> - drm_free_large(obj->pages);
>> - obj->pages = NULL;
>> - return;
>> - }
>>
>> should not have been removed from udl_gem_put_pages()..
>
> Do you want me to test this? Can this please be fixed in the stable
> tree?
> I removed the UDL driver from my config for now, as I don't use it.
It would be nice if you could test that (I can send you a patch if you
prefer).. I don't actually have any UDL device to confirm. If this
fixes the problem, send the patch to stable as well should not be a
problem.
BR,
-R
> *
> best regards
> thomas
>
>>
>> BR,
>> -R
>>
>> On Mon, Nov 25, 2013 at 8:17 AM, <thomas@m3y3r.de> wrote:
>> > Hi,
>> >
>> > It turns out that this seems to be a bug in udl DRM driver.
>> >
>> > I bisected the problem to this patch:
>> >
>> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=5dc9e1e87229cb786a5bb58ddd0d60fee6eb4641
>> >
>> > With kind regards
>> > Thomas
>> >
>> > Am 22.11.2013 17:18 schrieb Daniel Vetter <daniel@ffwll.ch>:
>> >>
>> >> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
>> >> >> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
>> >> >>
>> >> >> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
>> >> >>>> Hi,
>> >> >>>
>> >> >>> cc'ing mailing list,
>> >> >>>
>> >> >>> Daniel any ideas?
>> >> >>
>> >> >> Nope, not really :( And no ideas how to triage this further - if it
>> >> >> takes 9 days to hit it eventually we'll have a real hard time. Or does
>> >> >> this happen even after just a short X run?
>> >> >
>> >> > Seems to happen every time while stopping the x server. Also after a short run time.
>> >> >
>> >> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
>> >> >
>> >> > I did turn on config-debug-pagealloc but this didn't show any wrongness.
>> >>
>> >> In that case I think the bisect is the fastest way to insight - atm
>> >> I'm really at loss what could be wrong here.
>> >> -Daniel
>> >> --
>> >> Daniel Vetter
>> >> Software Engineer, Intel Corporation
>> >> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
>
>
>
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [i915] BUG: Bad page state in process Xorg
2013-11-30 13:55 ` Rob Clark
@ 2013-12-04 22:33 ` Thomas Meyer
0 siblings, 0 replies; 14+ messages in thread
From: Thomas Meyer @ 2013-12-04 22:33 UTC (permalink / raw)
To: Rob Clark
Cc: Daniel Vetter, DRI mailing list, Dave Airlie,
Linux Kernel Mailing List
Am Samstag, den 30.11.2013, 08:55 -0500 schrieb Rob Clark:
> On Sat, Nov 30, 2013 at 3:33 AM, Thomas Meyer <thomas@m3y3r.de> wrote:
> > Am Montag, den 25.11.2013, 08:23 -0500 schrieb Rob Clark:
> >> oh, hmm.. are you importing buffers from i915? It looks like this part:
> >
> > My computer has an i915 graphic card and I use an USB docking station,
> > that has an unconnected UDL device inside.
> >
> >>
> >> - if (obj->base.import_attach) {
> >> - drm_free_large(obj->pages);
> >> - obj->pages = NULL;
> >> - return;
> >> - }
> >>
> >> should not have been removed from udl_gem_put_pages()..
> >
> > Do you want me to test this? Can this please be fixed in the stable
> > tree?
> > I removed the UDL driver from my config for now, as I don't use it.
>
> It would be nice if you could test that (I can send you a patch if you
> prefer).. I don't actually have any UDL device to confirm. If this
> fixes the problem, send the patch to stable as well should not be a
> problem.
I did a quick test and above code makes the bad page bug disappear.
>
> BR,
> -R
>
>
> > *
> > best regards
> > thomas
> >
> >>
> >> BR,
> >> -R
> >>
> >> On Mon, Nov 25, 2013 at 8:17 AM, <thomas@m3y3r.de> wrote:
> >> > Hi,
> >> >
> >> > It turns out that this seems to be a bug in udl DRM driver.
> >> >
> >> > I bisected the problem to this patch:
> >> >
> >> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=5dc9e1e87229cb786a5bb58ddd0d60fee6eb4641
> >> >
> >> > With kind regards
> >> > Thomas
> >> >
> >> > Am 22.11.2013 17:18 schrieb Daniel Vetter <daniel@ffwll.ch>:
> >> >>
> >> >> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
> >> >> >> Am 22.11.2013 um 11:55 schrieb Daniel Vetter <daniel@ffwll.ch>:
> >> >> >>
> >> >> >> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie <airlied@linux.ie> wrote:
> >> >> >>>> Hi,
> >> >> >>>
> >> >> >>> cc'ing mailing list,
> >> >> >>>
> >> >> >>> Daniel any ideas?
> >> >> >>
> >> >> >> Nope, not really :( And no ideas how to triage this further - if it
> >> >> >> takes 9 days to hit it eventually we'll have a real hard time. Or does
> >> >> >> this happen even after just a short X run?
> >> >> >
> >> >> > Seems to happen every time while stopping the x server. Also after a short run time.
> >> >> >
> >> >> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel.
> >> >> >
> >> >> > I did turn on config-debug-pagealloc but this didn't show any wrongness.
> >> >>
> >> >> In that case I think the bisect is the fastest way to insight - atm
> >> >> I'm really at loss what could be wrong here.
> >> >> -Daniel
> >> >> --
> >> >> Daniel Vetter
> >> >> Software Engineer, Intel Corporation
> >> >> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
> >
> >
> >
^ permalink raw reply [flat|nested] 14+ messages in thread
* ^[[i915] BUG: Bad page state in process Xorg
@ 2013-11-16 13:46 Thomas Meyer
0 siblings, 0 replies; 14+ messages in thread
From: Thomas Meyer @ 2013-11-16 13:46 UTC (permalink / raw)
To: Linux Kernel Mailing List, intel-gfx
Hi,
After 9 days uptime, I wanted to restart my Gnome-Session, but this fails because Xorg is hitting a kernel bug.
Xorg server isn't kill-able. I see these log entries:
[126489.697509] CPU: 0 PID: 690 Comm: Xorg Tainted: G B 3.12.0+ #95
[126489.697511] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010
[126489.697513] 0000000000000000 ffff88009df21cd8 ffffffff81554512 ffff88009df21cf0
[126489.697517] ffffffff81551f11 ffffea00022c5400 ffff88009df21d18 ffffffff810c549c
[126489.697520] ffffea00022c5400 400000000008001c 0000000000000000 ffff88009df21d50
[126489.697524] Call Trace:
[126489.697529] [<ffffffff81554512>] dump_stack+0x19/0x1b
[126489.697533] [<ffffffff81551f11>] bad_page+0xc9/0xe2
[126489.697537] [<ffffffff810c549c>] free_pages_prepare+0xac/0xc0
[126489.697541] [<ffffffff810c5c7d>] free_hot_cold_page+0x1d/0x120
[126489.697545] [<ffffffff810ca8fe>] __put_single_page+0x1e/0x30
[126489.697549] [<ffffffff810caaa5>] put_page+0x25/0x40
[126489.697554] [<ffffffff8134a133>] i915_gem_object_put_pages_gtt+0xc3/0x1a0
[126489.697558] [<ffffffff8134ba68>] i915_gem_object_put_pages+0x78/0xd0
[126489.697562] [<ffffffff8134d8b7>] i915_gem_free_object+0xe7/0x230
[126489.697566] [<ffffffff8131bf25>] drm_gem_object_free+0x25/0x30
[126489.697570] [<ffffffff81331b9b>] drm_gem_dmabuf_release+0x4b/0x70
[126489.697574] [<ffffffff813b1e17>] dma_buf_release+0x27/0x90
[126489.697578] [<ffffffff8110d41b>] __fput+0xcb/0x250
[126489.697582] [<ffffffff8110d5d9>] ____fput+0x9/0x10
[126489.697586] [<ffffffff81052e9c>] task_work_run+0x9c/0xc0
[126489.697590] [<ffffffff8103a0f4>] do_exit+0x6f4/0xa00
[126489.697594] [<ffffffff81052e84>] ? task_work_run+0x84/0xc0
[126489.697598] [<ffffffff8103b301>] do_group_exit+0x31/0x90
[126489.697602] [<ffffffff8103b36f>] SyS_exit_group+0xf/0x10
[126489.697606] [<ffffffff8155f160>] system_call_fastpath+0x16/0x1b
[126489.697610] BUG: Bad page state in process Xorg pfn:8b151
[126489.699837] page:ffffea00022c5440 count:0 mapcount:0 mapping:ffff88008cf63168 index:0x2b
[126489.702979] page flags: 0x400000000008001c(referenced|uptodate|dirty|swapbacked)
[126489.705295] Modules linked in: vfat fat ipt_MASQUERADE ip6t_REJECT xt_conntrack ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw tun tcp_lp loop fuse bluetooth snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_usb_audio snd_usbmidi_lib snd_hwdep snd_seq arc4 snd_pcm iwldvm snd_page_alloc snd_rawmidi snd_seq_device snd_timer snd mac80211 kvm_intel soundcore kvm asix acer_wmi usbnet acerhdf mii sparse_keymap pcspkr joydev iwlwifi atl1c wmi cfg80211 rfkill acpi_cpufreq freq_table uinput ipv6 xts gf128mul usb_storage udl syscopyarea sysfillrect sysimgblt drm_usb [last unloaded: iptable_raw]
How to kill the Xorg server and restart gdm?
with kind regards
thomas
^ permalink raw reply [flat|nested] 14+ messages in thread
end of thread, other threads:[~2013-12-04 22:33 UTC | newest]
Thread overview: 14+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-11-20 20:55 [i915] BUG: Bad page state in process Xorg Thomas Meyer
2013-11-22 10:36 ` Dave Airlie
2013-11-22 10:55 ` Daniel Vetter
2013-11-22 15:54 ` Thomas Meyer
2013-11-22 16:18 ` Daniel Vetter
2013-11-22 17:06 ` Thomas Hellstrom
2013-11-22 10:55 ` Chris Wilson
2013-11-22 15:56 ` Thomas Meyer
-- strict thread matches above, loose matches on Subject: below --
2013-11-25 13:17 thomas
2013-11-25 13:23 ` Rob Clark
2013-11-30 8:33 ` Thomas Meyer
2013-11-30 13:55 ` Rob Clark
2013-12-04 22:33 ` Thomas Meyer
2013-11-16 13:46 ^[[i915] " Thomas Meyer
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