* [Bug 97128] Kernel hang when running out of memory
@ 2016-07-29 11:09 bugzilla-daemon
2016-07-29 14:17 ` bugzilla-daemon
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-07-29 11:09 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97128
Bug ID: 97128
Summary: Kernel hang when running out of memory
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: bas@basnieuwenhuizen.nl
If I allocate too much memory I get a kernel hang using the drm-next-4.8 branch
from Alex Deucher. SSH stops working too.
This has been tests by allocating GTT buffers in a loop using the winsys for
the new radv vulkan driver. Just as radeonsi, the winsys has a 3 step
allocation process: 1) allocate the buffer 2) Allocate an address range 3) Map
the buffer to address range.
This hang is a regression. Bisection pointed to the following patch as culprit:
commit 089f16c55baacd5e8ae3745625efa82899b4b217
Author: Christian König <christian.koenig@amd.com>
Date: Mon Jun 6 10:17:50 2016 +0200
drm/ttm: cleanup ttm_tt_(unbind|destroy)
ttm_tt_destroy should be the only one unbinding the object.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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* [Bug 97128] Kernel hang when running out of memory
2016-07-29 11:09 [Bug 97128] Kernel hang when running out of memory bugzilla-daemon
@ 2016-07-29 14:17 ` bugzilla-daemon
2016-07-29 14:35 ` bugzilla-daemon
2016-08-06 11:45 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-07-29 14:17 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97128
--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Should be fixed in this patch:
https://lists.freedesktop.org/archives/amd-gfx/2016-July/000686.html
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* [Bug 97128] Kernel hang when running out of memory
2016-07-29 11:09 [Bug 97128] Kernel hang when running out of memory bugzilla-daemon
2016-07-29 14:17 ` bugzilla-daemon
@ 2016-07-29 14:35 ` bugzilla-daemon
2016-08-06 11:45 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-07-29 14:35 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97128
--- Comment #2 from Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> ---
I can confirm that patch fixes the hang for me.
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* [Bug 97128] Kernel hang when running out of memory
2016-07-29 11:09 [Bug 97128] Kernel hang when running out of memory bugzilla-daemon
2016-07-29 14:17 ` bugzilla-daemon
2016-07-29 14:35 ` bugzilla-daemon
@ 2016-08-06 11:45 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-08-06 11:45 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97128
Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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