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Date: Mon, 16 Aug 2010 09:57:55 +0200
From: Andreas Sundstrom <sunkan@...pa.cx>
To: linux-kernel@...r.kernel.org
Subject: kernel Oops with 2.6.35.2 and glxinfo (or other GL programs)
On my laptop X hangs as soon as something uses OpenGL.
Running for example glxinfo or glxgears causes it to freeze.
I have not had any issues like this before, and 2.6.34 works ok but not 2.6.35.2
I have pasted the Oops here: http://codepad.org/t1aVjAzy
I will include it with this email too, but to avoid problems with the formatting
I have provided the link above.
This is on a HP Compaq 6910p laptop running Debian Lenny
I used git bisect for the first time and it took a while but finally this commit was shown
by git as the offending commit:
8187a2b70e34c727a06617441f74f202b6fefaf9 is first bad commit
commit 8187a2b70e34c727a06617441f74f202b6fefaf9
Author: Zou Nan hai <nanhai.zou@...el.com>
Date: Fri May 21 09:08:55 2010 +0800
drm/i915: introduce intel_ring_buffer structure (V2)
Introduces a more complete intel_ring_buffer structure with callbacks
for setup and management of a particular ringbuffer, and converts the
render ring buffer consumers to use it.
Signed-off-by: Zou Nan hai <nanhai.zou@...el.com>
Signed-off-by: Xiang Hai hao <haihao.xiang@...el.com>
[anholt: Fixed up whitespace fail and rebased against prep patches]
Signed-off-by: Eric Anholt <eric@...olt.net>
:040000 040000 b90a540c84c2ffa50b8b0bb7292749cef96e75d3
22c06e081bc722df129f2d0dc937950d5f164c5c M drivers
:040000 040000 6ac1363503569458bf035132b01f206c256701cb
757099565b205b0908a8b903db5c9b00d2c6e142 M include
I was not able to revert this commit from 2.6.35.2, but maybe it can be a pointer in the
right direction for someone that knows this stuff?
I'm not sure what else to provide? Let me know if I can do something to test
this further..
I'm not subscribed to the list so feel free to CC me on any replies.
Any help is appreciated
/Andreas
Oops message:
Aug 16 09:01:20 asu-laptop kernel: [ 61.210488] BUG: unable to handle kernel NULL
pointer dereference at (null)
Aug 16 09:01:20 asu-laptop kernel: [ 61.210496] IP: [<(null)>] (null)
Aug 16 09:01:20 asu-laptop kernel: [ 61.210499] PGD 13ac34067 PUD 1372d9067 PMD 0
Aug 16 09:01:20 asu-laptop kernel: [ 61.210504] Oops: 0010 [#1] SMP
Aug 16 09:01:20 asu-laptop kernel: [ 61.210507] last sysfs file:
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/inp
ut/input11/capabilities/sw
Aug 16 09:01:20 asu-laptop kernel: [ 61.210511] CPU 0
Aug 16 09:01:20 asu-laptop kernel: [ 61.210513] Modules linked in: i915 drm_kms_helper
rfcomm l2cap twofish twofish_common serpe
nt rmd160 af_key fuse iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi firewire_sbp2
firewire_ohci iwlagn firewire_core crc_it
u_t btusb psmouse bluetooth iwlcore video backlight hp_accel lis3lv02d
Aug 16 09:01:20 asu-laptop kernel: [ 61.210535]
Aug 16 09:01:20 asu-laptop kernel: [ 61.210539] Pid: 5109, comm: glxinfo Not tainted
2.6.35.2 #3 30BE/HP Compaq 6910p (GB949ET#A
K8)
Aug 16 09:01:20 asu-laptop kernel: [ 61.210541] RIP: 0010:[<0000000000000000>]
[<(null)>] (null)
Aug 16 09:01:20 asu-laptop kernel: [ 61.210545] RSP: 0018:ffff88013a8c7cf0 EFLAGS: 00010286
Aug 16 09:01:20 asu-laptop kernel: [ 61.210548] RAX: ffff88013bea4028 RBX:
0000000000000000 RCX: 000000000001761c
Aug 16 09:01:20 asu-laptop kernel: [ 61.210551] RDX: 0000000000017620 RSI:
ffff88013bea4028 RDI: ffff8801358c6800
Aug 16 09:01:20 asu-laptop kernel: [ 61.210553] RBP: ffff88013a8c7cf8 R08:
00000000000000d0 R09: ffff8801358c6800
Aug 16 09:01:20 asu-laptop kernel: [ 61.210556] R10: ffff88013a8c7cf8 R11:
0000000000000000 R12: ffff8801358c6800
Aug 16 09:01:20 asu-laptop kernel: [ 61.210559] R13: ffff88013a8c7dc8 R14:
0000000000000002 R15: 0000000000000000
Aug 16 09:01:20 asu-laptop kernel: [ 61.210562] FS: 00007ff791cb96e0(0000)
GS:ffff880001e00000(0000) knlGS:0000000000000000
Aug 16 09:01:20 asu-laptop kernel: [ 61.210565] CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Aug 16 09:01:20 asu-laptop kernel: [ 61.210567] CR2: 0000000000000000 CR3:
00000001365bc000 CR4: 00000000000006f0
Aug 16 09:01:20 asu-laptop kernel: [ 61.210570] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Aug 16 09:01:20 asu-laptop kernel: [ 61.210573] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Aug 16 09:01:20 asu-laptop kernel: [ 61.210576] Process glxinfo (pid: 5109, threadinfo
ffff88013a8c6000, task ffff8801364f9d80)
Aug 16 09:01:20 asu-laptop kernel: [ 61.210578] Stack:
Aug 16 09:01:20 asu-laptop kernel: [ 61.210580] ffffffffa0148429 ffff88013a8c7d78
ffffffffa01264da ffff880100000000
Aug 16 09:01:20 asu-laptop kernel: [ 61.210584] <0> 000000023a8c7d58 ffff88013bea4000
ffff8801358c6820 ffffc900040ed898
Aug 16 09:01:20 asu-laptop kernel: [ 61.210588] <0> 0000000000000000 ffff88013a1da818
0000000000000000 0000000200000001
Aug 16 09:01:20 asu-laptop kernel: [ 61.210593] Call Trace:
Aug 16 09:01:20 asu-laptop kernel: [ 61.210614] [<ffffffffa0148429>] ?
intel_ring_advance+0xd/0xf [i915]
Aug 16 09:01:20 asu-laptop kernel: [ 61.210623] [<ffffffffa01264da>]
i915_cmdbuffer+0x3a2/0x452 [i915]
Aug 16 09:01:20 asu-laptop kernel: [ 61.210629] [<ffffffff812cb714>] drm_ioctl+0x27a/0x338
Aug 16 09:01:20 asu-laptop kernel: [ 61.210638] [<ffffffffa0126138>] ?
i915_cmdbuffer+0x0/0x452 [i915]
Aug 16 09:01:20 asu-laptop kernel: [ 61.210643] [<ffffffff810ba6e8>] ?
__do_fault+0x341/0x378
Aug 16 09:01:20 asu-laptop kernel: [ 61.210648] [<ffffffff810e2758>] vfs_ioctl+0x2a/0x9e
Aug 16 09:01:20 asu-laptop kernel: [ 61.210654] [<ffffffff810e2d46>] sys_ioctl+0x55/0x77
Aug 16 09:01:20 asu-laptop kernel: [ 61.210658] [<ffffffff81002a2b>]
system_call_fastpath+0x16/0x1b
Aug 16 09:01:20 asu-laptop kernel: [ 61.210661] Code: Bad RIP value.
Aug 16 09:01:20 asu-laptop kernel: [ 61.210666] RIP [<(null)>] (null)
Aug 16 09:01:20 asu-laptop kernel: [ 61.210669] RSP <ffff88013a8c7cf0>
Aug 16 09:01:20 asu-laptop kernel: [ 61.210670] CR2: 0000000000000000
Aug 16 09:01:20 asu-laptop kernel: [ 61.210673] ---[ end trace c594406bea35578b ]---
Aug 16 09:01:27 asu-laptop kernel: [ 67.990975] SysRq : Emergency Sync
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