From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 63101] Hard lockup whel launching games like TF2 on kernels
3.11.5 and 3.12 rc4 and above
Date: Wed, 16 Oct 2013 06:32:26 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=63101
--- Comment #2 from Kertesz Laszlo ---
Going back to commit 95167aad6761ec8a0fc76506ed00439483208ee1
- GPU lockup only, somewhat recoverable error, gpu locked in highest power
state.
lots of errors like
[ 523.602078] radeon 0000:00:01.0: ffff8800034ebc00 pin failed
And
[ 546.612391] WARNING: CPU: 0 PID: 2891 at drivers/gpu/drm/drm_mm.c:257
ttm_bo_man_put_node+0x23/0x3d [ttm]()
No other errors, i can even launch other games (tried DoD). The CPU is severely
throttled (this is with 4 threads compile, the CPU is rated at 3.2 GHz):
# cpufreq-aperf -o
CPU Average freq(KHz) Time in C0 Time in Cx C0 percentage
000 1536000 00 sec 996 ms 00 sec 003 ms 99
001 1536000 00 sec 984 ms 00 sec 015 ms 98
002 1536000 00 sec 970 ms 00 sec 029 ms 97
003 1536000 00 sec 985 ms 00 sec 014 ms 98
probably because of the GPU being in the highest state.
Attached dmesg. I continue bisecting.
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