(In reply to Chris Rainey from comment #119)
> Confirming that "intel_idle.max_cstate=1" has solved my complete freeze
> issues on Bay Trail running Linux 4.1.13(Slackware64-current(pre-4.2)
> formerly running Ubuntu 15.04/15.10 with stock kernels).
>
> Thanx for all the hard-work and long-efforts
Workaround is now merged into drm-intel-nightly, should land in 3.19
commit 14a369b6c9bdb40cebdac5a248321a05119fe02b
Author: Daniel Vetter
Date: Thu Nov 20 09:26:30 2014 +0100
drm/i915: Pin tiled objects for L-shaped configs
Note that this is v2, v1 was a bit WARNING-happy.
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Ok I've finally gotten around to polish Chris' patch and update
testcase:
http://patchwork.freedesktop.org/patch/37073/
As soon as I have a few tested-by reports I'll pull this in, so please
go wild. Patch applies on top of latest drm-intel-nightly.
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Title:
[regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on
San
Yeah I guess that's it, time to give up on this one. Wiggling the mouse
or running with wayland should fix this.
Thanks for reporting this bug and testing ideas, sorry that we couldn't
make this work :(
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Title:
[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140
Assigning to Ville so he can submit the patch. To avoid bikeshedding
this to death: I prefer if we add a new intel_ring_begin_cacheline_safe
or so which encapsulates the logic. And obviously puts a WARN_ON if the
requested length is bigger than 1 cachline ;-)
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I guess it's time to give up - the only approach with restricting the
deep sleep states resulted in horrid power consumption figures ... Just
wiggle your mouse a bit :(
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Meh, haven't gotten around to tackle this yet, so let's keep this bug
around for a bit more ...
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Title:
xrandr won't ena
(In reply to comment #115)
> Created attachment 87857 [details]
> i915_error_state
>
> I also met this bug while I was watching video in mplayer. It every 1-2
> hours.
>
> [40787.765816] [drm:i915_hangcheck_elapsed] *ERROR* stuck on render ring
> [40787.765852] [drm] capturing error event; look f
(In reply to comment #112)
> Just a few remarks.
> I still see this bug with Kernel 3.8, Mesa 9.2.1 and DRI 2.99.904.
> Moreover, with switching from Mesa 9.1.x to Mesa 9.2.x the number of lockups
> highly increased (especially in games).
On snb the blorp engine in mesa has become a bit more hang-
(In reply to comment #110)
> Hello. Same problem here.
>
> [ 485.443455] [drm:i915_hangcheck_elapsed] *ERROR* stuck on render ring
> [ 485.443467] [drm] capturing error event; look for more information in
> /sys/kernel/debug/dri/0/i915_error_state
> [ 485.452727] [drm:i915_set_reset_status] *ER
(In reply to comment #104)
> I'm not sure my problem is related to this bug.
Most likely it isn't - gpu hang is similar to an application crashing.
Please file a new bug report and don't forget to attach the error state
file. That's the first thing we need to triage the bug.
And of course list th
Please retest with latest drm-intel-fixes, specifically
commit 2e6efddd203c15ca5c4700511f717c0e9a3ea31a
Author: Imre Deak
Date: Fri Aug 23 23:50:23 2013 +0300
drm/i915: ivb: fix edp voltage swing reg val
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Hw no longer available for testing, so closing.
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Title:
[ivb] GPU lockup IPEHR: 0x upon context restore
To man
(In reply to comment #20)
> Hopefully https://patchwork.kernel.org/patch/2841344/ is the right fix.
Can you please test the above patch?
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(In reply to comment #111)
> yes, intel_iommu=igfx_off helps too. Thanks!
Ok, that's proof that something _really_ fishy is going on here. Big WTF
moment ... Imre do you have any ideas what this could be? Seen anything
like this when you've done the sg conversion?
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Can you please reenable vt-d support and instead boot with
intel_iommu=igfx_off? That should only disable vt-d for the intel
integrated gfx device (and usually helps as well as turning it off
completely).
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Please reopen if it's still broken after retesting with the latest bits.
We know that eDP is a bit flakey, but knowing which parts are still
broken exactly is always helpful.
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The drm-intel-fixes branch from http://cgit.freedesktop.org/~danvet/drm-
intel/ has them.
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Title:
[HSW] intel VGA driver i915 doesn't suppor
I've just sent out the stable backport request, so this should get fixed
in the next stable kernel releases (or one of the next, around the merge
window there's a bit a lag usually due to the high patch load).
Thanks for reporting this issue and please reopen if it breaks again.
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Oh, I've looked a bit harder and noticed that thing are pretty neatly
screwed up in sdvo land. So not something I can fix in 1-2 easy patches.
And since sdvo isn't a high prio thing for us I've postponed this for
now.
If you can code and want to fix this yourself I could point you into the
right d
Can you please check whether cherry-picking the referenced patch to a
stable kernel fixes the issues, too?
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Title:
[ivb]
(In reply to comment #76)
> Chris, what is the upstream status for the ring kicker patch? Is that
> likely to get incorporated upstream, or do you feel it needs further polish
> before it's ready? Would this patch incur some risk of regressions in other
> areas were it be backported for inclusion
Patch is also included in latest drm-intel-nightly, linux-next. So you
can test it by grabbing a distro-build of one of those.
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Title:
[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140
Cool, thanks for reporting back, and I'm happy that kms works ;-)
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Title:
Intel 915GM/GMA900 upgrade fails 12.04-12.10
You have kernel modesetting disabled and your version of the intel ddx
does not support usermodesetting any more. Please remove any
i915.modset=0 or nomodeset boot options. If kernelmodesetting doesn't
work for you, then we need to fix that (please reopen in that case and
provide dmesg with drm.deb
> --- Comment #33 from mikhail.v.gavri...@gmail.com ---
> Which patch I need applied for fix this issue?
We can't reproduce the bug, so those are just patches to test
different ideas. Please test them both each individually (i.e. remove
the first before testing the 2nd patch) and the report whethe
(In reply to comment #148)
> Ah, thanks, great! Now I see that the two patches from Comment #144 and
> Comment #145 are included in 3.7.3. So I guess the real fix you're talking
> about it the one from Comment #143.
Yep, that's right.
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(In reply to comment #146)
> I can confirm I have not experienced the bug with drm-intel-next after
> several days of testing. What's the procedure next? Are the patches going to
> be backported to 3.7.x?
The band-aid is backported already afaik, the real fix should show up in
the next 3.7.x point
Created attachment 73577
write mbox regs twice on snb, v2
Now actually the right patch attached, the old one didn't compile ...
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Created attachment 73560
write mbox regs twice on snb
Another piece of magic which might help. Please test this patch and the
one from Chris ("Read back semaphore mboxes after update") separately
and report back whether anything changes.
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Title:
[arrandale] GPU lockup IPEHR: 0x0222
To mana
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Title:
[arrandale] GPU lockup IPEHR: 0x0222
To mana
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Title:
[arrandale] GPU lockup IPEHR: 0x0222
To mana
Everyone please retest with latest drm-intel-fixes from
http://cgit.freedesktop.org/~danvet/drm-intel
I've just merged a bunch of duct-tapes for this issue. For those who can
only reproduce the hangs with rc6 enabled, please also try reenabling
that with i915.i915_enable_rc6=1.
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Ok, sounds like the original issue was a combination of busted hw/bios,
and we're robbed of any chances to do further debug :( Thanks for
reporting, I'll close this now.
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Created attachment 71805
make the shrinker less aggressive
Duct-tape solution if it is one, but imo very much worth a try.
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Please try out the patch at
https://patchwork.kernel.org/patch/1885411/
It has a decent chance to reduce gtt trashing, which might be good
enough to again ducttape over the hangs. Or maybe change the pattern to
be able to reproduce it much quicker. In any case, should be interesting
...
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Lionel, can you please file a separate bug for your issue? Chances are
really high that it's a different underlying bug with similar symptoms.
And since untangling bug reporter after the fact is messy we'd like to
keep bugs separate until we're sure we're dealing with duplicates.
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drm-intel-fixes from http://cgit.freedesktop.org/~danvet/drm-intel has
fixes for all known fdi link issues. I'll lean out the window a bit here
and claim that this is fixed now, thanks for reporting this bug an
please reopen if you still have issues (I wouldn't be too surprised by
that ...).
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We've certainly fixed tons of eDP bugs in recent kernels to warrant re-
testing. Please test the latest drm-intel-nightly branch and report on
what exactly is still broken on the ivb machine.
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Needinfo again, we need someone to actually test this on the latest
kernels ...
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Title:
[i945] Second display not enabled
Thanks for the update, adjusting the comment to reflect that this is now
only an issue on an ivb asus UX32A.
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Title:
only
Sounds like we're making progress. Dropping the regression part, since
that's now fixed. For the corrupted VGA issue, we're working on fixes
for fdi/pch handling, so maybe that will be resolved soon. For eDP iself
we're likely still missing some fixes somewhere, but it's rather awesome
that you can
Marking as fixed then, pls reopen if it blows up again, and thanks for
submitting the status update.
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Title:
[arrandale]
Dave Airlie has found a little setup sequence issue for edp. Can you
please test the latest drm-intel-nightly branch from
http://cgit.freedesktop.org/~danvet/drm-intel
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The fix has landed in 3.5, if you want it in 3.4 you can submit it to
the stable team, reference the commit and this bug report here.
commit b03543857fd75876b96e10d4320b775e95041bb7
Author: Takashi Iwai
Date: Tue Mar 20 13:07:05 2012 +0100
drm/i915: Check VBIOS value for determining LVDS d
Actually I really prefer if you file a new bug for the new issue. It is
really confusing when half the bug report is about one issue and the
other half about something completely different.
Please attach a new dmesg and the video (or a link to it) to the new
report and add a link here.
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Hm, it's rather strange that -nightly worked, then broke again for you.
Do you still have the commits of the respective nigthly versions you've
tested? We need to full commit since -nightly gets rebuilt every time I
push a patch ...
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(In reply to comment #12)
> I added the patch to the distro kernel (based on 3.2.29), and then after
> maybe an hour of uptime I got a full system lockup, and after maybe half a
> minute the monitor powered off.
That's pretty much guaranteed to be a different issue ;-) The question
is whether the
Created attachment 67628
disable all hdmi modes
Can you please test this quick debug hack to disable all hdmi modes? I
suspect that the hotplug detection we regularly do causes (eventually)
some havoc. Or at least we've had similar bugs, so better check this
first.
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Yep, this is an issue with the kernel modeset code in the drm/i915.ko
driver. But this bug is in the right bugzilla, we also handle the kernel
issues for the intel driver here.
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My modeset-rework patchki has a few fixes for handling cpu eDP, please
test the modeset-rework git branch at
http://cgit.freedesktop.org/~danvet/drm
Nick Coghlan: There's a decent chance you have a different issue, can
you please file a separate bug with the usual information? Untangle this
bug r
Can you please get the latest git version of intel-gpu-tools and grab
the another reg dump with the magic workaround done, so that everything
works with i915.ko kms enabled?
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So then let's just close this as fixed, proper patch is merged:
commit e77166b5a653728f312d07e60a80819d1c54fca4
Author: Daniel Vetter
Date: Fri Mar 30 22:14:05 2012 +0200
drm/i915: properly clear SSC1 bit in the pch refclock init code
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Can you please retest with 3.6-rc kernel? Just to ensure that we're not
hunting a duplicate here (since we've fixed quite a few issues around
audio support recently).
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Is this still an issue on 3.6-rc kernels?
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Title:
[arrandale] desktop is messed up with external monitors (x86_64)
To ma
Note to self: I've pointed Daniel Wagner at the wrong bug report, so his
comment is unrelated.
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Title:
only external scre
I guess then that we can tentatively close this issue. Thanks a lot for
reporting it, and please reopen if it blows up again.
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Upstream reporter seems to have gone awol, closing because if missing
data. Please reopen only when the request dmesg is available (and
preferably the bisect result).
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(In reply to comment #43)
> I have now successfully compiled kernel 3.4.0-rc4-custom and booted into this
> kernel using the instructions on
> https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
>
> ie. using ..
> CONCURRENCY_LEVEL=`getconf _NPROCESSORS_ONLN` fakeroot make-kpkg --initrd
> --append-t
It looks like the private slab works around foreign memory corruption
and for the remaining issues the reporter has gone awol. Also, I don't
quite see the evidence for why this is a regression.
Tentatively closing, please reopen if this is still an issue on latest
kernel version.
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Can you please give us specific details about your monitors make&model and
serial number?
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Title:
only external screen is
Oh and: Can you please boot with drm.debug=0xe and attach the full
dmesg, just so we know what your system looks like? While at it, also
please attacht the output of xrandr --verbose, thanks.
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Just to check: Does your problem of the dp screen disappearing correlate
with:
[47766.404715] [drm:intel_dp_check_link_status], TMDS-9: channel EQ not ok,
retraining
[47766.404927] [drm:intel_dp_start_link_train], training pattern 1 signal
levels
[47766.405653] [drm:intel_dp_start_link_
Ok, I've created these patches, available at
http://cgit.freedesktop.org/~danvet/drm/log/?h=backlight-confusion
Git link is git://people.freedesktop.org/~danvet/drm backlight-confusion
Please test them, thanks.
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Ping.
If you can't test this any longer because the bios downgrade is a royal
pain - no problem, we'll just close this one as fixed.
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Ok, it's unclear what fixed things, but things seem fixed. Thanks for
reporting this issue, I'll close it as unreproducible, please reopen if
this shows up again for you.
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Ping.
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Title:
[arrandale] kernel OOPS setting external monitor to a higher
resolution
To manage notifications about th
Ping for a tested-by ...
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Title:
[IGDgm] False GPU lockup EIR: 0x0010 PGTBL_ER: 0x0001
render.IPEHR: 0x010
Original reporter seems to have gone amiss, closing as unreproducible.
Please reopen if this is still an issue (in that case also please attach
complete dmesg with drm.debug=0xe added to your kernel cmdline).
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To be slightly more precise, please test the drm-intel-next-queued
branch from my git repository at
http://cgit.freedesktop.org/~danvet/drm/
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Ok, some more error-state analysis shows that
- last signalled seqno on the blt ring is 0x00244f73
- we have an object on the render ring with that seqno:
0cc57000 4096 0006 00244f73 dirty render snooped (LLC)
- the blt ring is filled with MI_FLUSH_DW
I blame the seqno confusion for tha
Maybe we're lucky and one of the SNB workarounds fixed this. Can someone
try the latest kernel from my drm-intel-next-queued branch?
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> --- Comment #46 from Oleksij Rempel 2012-04-18
> 23:29:49 PDT ---
> i tested latest git queue 3.4.0-rc3-00191-gb98e524, now problems 1 and 2 are
> fixed here too. The last one with plug before power on, is still there.
This is very strange that eDP disappears for you on latest -queued. Can you
Just an fyi: If the vga connected monitor is an lcd panel, they're known
to sometimes hold onto a few frames to control overdrive ... If the
difference in lag between the external screen and the laptop panel is
big, that could be it.
Otherwise I don't think our scanout hw introduces an entire fram
Ok, I'm unconfused ;-) Given that it WARNs about vdd state change
issues, maybe this is related to:
https://bugs.freedesktop.org/show_bug.cgi?id=46312
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I'm slightly confused, I don't see any OOPS in the new attachment ... or
does the machine die right away?
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Title:
only ex
Ok, _really_ closing this. I've re-read all the comments, and the
flicker should be fixed with Rodrigo's patch to double the pixelclock of
some of the default TV-out modes.
The default mode is just that, if someone feels strongly I'm willing to
merge a patch to change it.
unnikrishnan: Please ope
Created attachment 59339
properly clear SSC1
... a patch for you to try. Please test, maybe we're lucky.
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Title:
[arrand
Closing this, the original reporter seems to have disappeared.
To unnikrishnan: Please reopen a new bug for your issue, but please test
first on kernel 3.3 - kernel 2.6.32 is pretty much stone-age for
graphics issues and far away from relevant for upstream development.
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I'm gonna lean out the window a bit here and declare this a hw issue
with the ram. If the issue pops up again with the more conservative
memory timings please reopen the bug so I know why I've had a head-on
encounter with a slab of concrete.
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If drm-intel-fixes works flawless, but just backporting the patch does
not yet work so great, we likely miss a few of the recent dp fixes in
-stable trees.
Closing this, please reopen if it shows up again or file a new bug
reporter if you still have other issues left.
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Reassign back to the public - this needs somebody with the motivation
and hw to write the corresponding dvo driver.
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Title:
Turning of audio might help, can you please try this:
xrandr --output DP1 --set audio off
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Title:
[arrandale] desktop is
Chris Wilson also reports occasional (really occasionl) transcoder
failures on his x201 at the same resolution.
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Title:
[
Nope, no more debug information needed. We've fixed quite a few bugs for
snb lately and luckily yours was among them!
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Titl
Please attach xrandr --verbose output. Also please boot with
drm.debug=0xe attached to your kernel cmdline, try to set a low working
resolution and then a high non-working resolution and attach the entire
dmesg. Please ensure that the attached dmesg is complete, if stuff at
the beginning is missing
Created attachment 56176
fixup dp bpc calculations
Can you please try this patch?
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https://bugs.launchpad.net/bugs/912387
Title:
[arrandale] Black screen on lo
Just to check: the patch _does_ get rid of the oops?
For the blank screen issue: Please boot with drm.debug=0x4 added to your
kernel cmdline, reproduce the problem and then attach the full dmesg.
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> --- Comment #7 from Martin Pool 2012-01-22 22:01:45 PST
> ---
> You are missing one declaration of dev_priv, around line 205. With that
> fixed,
> it does build on the Ubuntu kernel. I'm going to test it with slub_debug.
Oops, I've fixed that locally but forgot to amend the patch before
att
Hm, that's another report saying that plugging in a 2nd monitor and
switching it on on snb machine magically fixes things ...
A few things: Can you upgrade your kernel to the latest drm-intel-fixes
branch from Keith's git:
https://git.kernel.org/?p=linux/kernel/git/keithp/linux.git;a=summary
Als
Created attachment 55869
flush overlay regfile
A victim for my patch, awesome! Please try it and report how well it
fares ...
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https://bugs.launchpad.net/bugs/903
Created attachment 55880
use private slab for i915 gem objects
Please try to reproduce the issue with patch. Also ensure that you
either use the SLAB allocator or if your using SLUB, please boot with
slub_debug on the kernel cmdline.
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OOPS-decoding for fun and profit:
A reasonable decode of the code from the OOPS
0x400641 : mov0x16e0(%r12),%rdx
0x400649 : lea0x16e0(%r12),%rcx
0x400651 : cmp%rdx,%rcx
0x400654 : lea-0xb0(%rdx),%rax
0x40065b : je 0x400682
0x40065d : nopl 0x0(%rax)
0x400
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