[Bug 556962] Re: kernel BUG at /build/buildd/linux-2.6.32/drivers/gpu/drm/drm_fops.c:146!

[Andy Whitcroft]

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kernel BUG at /build/buildd/linux-2.6.32/drivers/gpu/drm/drm_fops.c:146!
invalid opcode: 0000 [#2] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:09.0/0000:02:00.0/boot_vga
CPU 0 
Modules linked in: snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi fbcon tileblit font bitblit softcursor snd_seq_midi_event vga16fb snd_seq vgastate snd_timer snd_seq_device nouveau ppdev edac_core ttm snd drm_kms_helper parport_pc drm i2c_algo_bit i2c_nforce2 lp psmouse serio_raw edac_mce_amd soundcore snd_page_alloc k8temp parport dm_raid45 sata_nv forcedeth pata_amd xor
Pid: 1066, comm: Xorg Tainted: G      D    2.6.32-19-generic #28-Ubuntu A15G
RIP: 0010:[<ffffffffa00b805f>]  [<ffffffffa00b805f>] drm_open+0x10f/0x120 [drm]
RSP: 0018:ffff8800ba3b1c68  EFLAGS: 00010206
RAX: ffff8800bab0cb48 RBX: 0000000000000000 RCX: 0000000000000015
RDX: 0000000000000000 RSI: ffff8800bb1c7240 RDI: ffff8800baa90820
RBP: ffff8800ba3b1c98 R08: ffff880001c11fe0 R09: 00000000000000c0
R10: ffff8800bc3323c0 R11: 0000000000000002 R12: ffff8800ba384c00
R13: ffff8800baab6970 R14: ffff8800baa90800 R15: ffff8800baa90820
FS:  00007f2ab9298700(0000) GS:ffff880001c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ab5bc4c80 CR3: 00000000b9c24000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process Xorg (pid: 1066, threadinfo ffff8800ba3b0000, task ffff8800baf02de0)
Stack:
 000000000e200000 ffffffffa00ca7e0 ffff8800baab6970 ffff8800bb1c7000
<0> 00000000ffffffed ffff8800baa90800 ffff8800ba3b1ce8 ffffffffa00b81a3
<0> ffff8800b9cc8380 ffff8800bc630000 0000000000000000 0000000000000000
Call Trace:
 [<ffffffffa00b81a3>] drm_stub_open+0x133/0x260 [drm]
 [<ffffffff8114650a>] chrdev_open+0x13a/0x240
 [<ffffffff811463d0>] ? chrdev_open+0x0/0x240
 [<ffffffff81140823>] __dentry_open+0x113/0x370
 [<ffffffff8125177f>] ? security_inode_permission+0x1f/0x30
 [<ffffffff8114cbaf>] ? inode_permission+0xaf/0xd0
 [<ffffffff81140b97>] nameidata_to_filp+0x57/0x70
 [<ffffffff81150dea>] do_filp_open+0x2da/0xba0
 [<ffffffff8115c89a>] ? alloc_fd+0x10a/0x150
 [<ffffffff81140599>] do_sys_open+0x69/0x170
 [<ffffffff811406e0>] sys_open+0x20/0x30
 [<ffffffff810131b2>] system_call_fastpath+0x16/0x1b
Code: 89 ff e8 15 17 f8 e0 66 90 eb 99 90 4c 89 ff e8 08 17 f8 e0 66 90 4c 89 f7 e8 ce f9 ff ff 89 c3 eb 82 49 3b 85 10 01 00 00 74 a7 <0f> 0b eb fe 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 
RIP  [<ffffffffa00b805f>] drm_open+0x10f/0x120 [drm]
 RSP <ffff8800ba3b1c68>
---[ end trace 0ec7af0ebca54358 ]---

-- 
kernel BUG at /build/buildd/linux-2.6.32/drivers/gpu/drm/drm_fops.c:146!
https://bugs.launchpad.net/bugs/556962
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