[Bug 43751] [TTM] Out of kernel memory

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=43751


Peter Barth <kernel at won2.de> changed:

           What    |Removed                     |Added
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                 CC|                            |kernel at won2.de




--- Comment #11 from Peter Barth <kernel at won2.de>  2013-02-19 21:55:39 ---
I have the same problem with ati card (Radeon HD 6670):

...
[drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (4096, 6,
4096, -12)
[TTM] Out of kernel memory
[TTM] Out of kernel memory
[drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (4096, 6,
4096, -12)
...

This happened with 3.5.x, 3.6.x and currently with 3.7.6. Last known good state
is kernel 3.2.13.

At some point the OOM-Killer kicks in, however, that does not help. I can kill
any app, stop X and my displaymanager, stop mostly any service there is and
that does not help.

/proc/meminfo shows (and that gets worse):
MemTotal:       32880920 kB
MemFree:          729688 kB
Buffers:             728 kB
Cached:         25403768 kB
SwapCached:            0 kB
Active:          3202980 kB
Inactive:       25110208 kB
Active(anon):    3178992 kB
Inactive(anon): 25065012 kB
Active(file):      23988 kB
Inactive(file):    45196 kB
...

sync ; echo 3 > /proc/sys/vm/drop_caches does not help. The memory is gone and
at some point I have to restart to regain memory.

If that helps, userspace is: xf86-video-ati 7.0.0, mesa 9.0.1, xorg-server
1.13.1

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