From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 43346] New: BUG: unable to handle kernel NULL pointer
dereference at 0000000000000018
Date: Wed, 6 Jun 2012 21:51:44 +0000 (UTC)
Message-ID:
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path:
Received: from mail.kernel.org (mail.kernel.org [198.145.19.201])
by gabe.freedesktop.org (Postfix) with ESMTP id 781A39E74F
for ;
Wed, 6 Jun 2012 14:51:48 -0700 (PDT)
Received: from mail.kernel.org (localhost [127.0.0.1])
by mail.kernel.org (Postfix) with ESMTP id D24F820388
for ;
Wed, 6 Jun 2012 21:51:46 +0000 (UTC)
Received: from bugzilla.kernel.org (bugzilla.kernel.org [198.145.19.204])
by mail.kernel.org (Postfix) with ESMTP id CE94E20386
for ;
Wed, 6 Jun 2012 21:51:44 +0000 (UTC)
List-Unsubscribe: ,
List-Archive:
List-Post:
List-Help:
List-Subscribe: ,
Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org
Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org
To: dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
https://bugzilla.kernel.org/show_bug.cgi?id=43346
Summary: BUG: unable to handle kernel NULL pointer dereference
at 0000000000000018
Product: Drivers
Version: 2.5
Kernel Version: 3.2.18
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
ReportedBy: bjorn.ottervik@gmail.com
Regression: No
Happens about once a week, but I can't reproduce it at will. X is still running
as before, but unbearably slow. GPU is an integrated HD4200 of an AMD 785G ASUS
mainboard, model M4A785D-M Pro.
[261062.255333] [TTM] Erroneous page count. Leaking pages.
[261062.753541] BUG: unable to handle kernel NULL pointer dereference at
0000000000000018
[261062.753705] IP: [] ttm_bo_cleanup_memtype_use+0x51/0x80
[261062.753830] PGD 214e12067 PUD 214e64067 PMD 0
[261062.753918] Oops: 0000 [#1] SMP
[261062.753981] CPU 0
[261062.754007] Modules linked in: sata_sil
[261062.754007]
[261062.754007] Pid: 2467, comm: xbmc.bin Not tainted 3.2.18 #1 System
manufacturer System Product Name/M4A785D-M PRO
[261062.754007] RIP: 0010:[] []
ttm_bo_cleanup_memtype_use+0x51/0x80
[261062.754007] RSP: 0018:ffff88021fbd7c58 EFLAGS: 00010256
[261062.754007] RAX: 0000000000000000 RBX: ffff88003c8c6c48 RCX:
ffff8802267f0548
[261062.754007] RDX: 0000000000000000 RSI: ffff88003c8c6ca8 RDI:
ffff8802267f0570
[261062.754007] RBP: 0000000000000002 R08: 0000000000000000 R09:
ffffffff813f9a41
[261062.754007] R10: 0000000000000039 R11: 0000000000000246 R12:
ffff8802267f0548
[261062.754007] R13: ffff8802259853c0 R14: ffff88003c8c6c8c R15:
00000000fffffff2
[261062.754007] FS: 00007fe3f3cba720(0000) GS:ffff88022fc00000(0000)
knlGS:0000000000000000
[261062.754007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[261062.754007] CR2: 0000000000000018 CR3: 0000000214e0d000 CR4:
00000000000006f0
[261062.754007] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[261062.754007] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[261062.754007] Process xbmc.bin (pid: 2467, threadinfo ffff88021fbd6000, task
ffff880222120000)
[261062.754007] Stack:
[261062.754007] ffff88003c8c6c48 ffffffff813fad00 ffff88004421b200
ffff88004421b200
[261062.754007] ffff88021fbd7d74 0000000000000000 ffff880226ff5000
ffff88003c8c6c88
[261062.754007] ffffffff813faaa0 000000000000000a ffff88003c8c6e00
ffff880226ff5000
[261062.754007] Call Trace:
[261062.754007] [] ? ttm_bo_release+0x260/0x280
[261062.754007] [] ? ttm_bo_delayed_workqueue+0x30/0x30
[261062.754007] [] ? kref_put+0x33/0x70
[261062.754007] [] ? ttm_bo_unref+0x35/0x50
[261062.754007] [] ? radeon_bo_unref+0x42/0x80
[261062.754007] [] ? drm_gem_object_ref_bug+0x10/0x10
[261062.754007] [] ? radeon_gem_object_free+0x1f/0x30
[261062.754007] [] ? kref_put+0x33/0x70
[261062.754007] [] ? drm_gem_handle_delete+0xa8/0xf0
[261062.754007] [] ? drm_ioctl+0x3ec/0x4a0
[261062.754007] [] ? cpumask_any_but+0x2d/0x40
[261062.754007] [] ? drm_gem_destroy+0x50/0x50
[261062.754007] [] ? tlb_finish_mmu+0xe/0x50
[261062.754007] [] ? unmap_region+0x10b/0x150
[261062.754007] [] ? do_vfs_ioctl+0x96/0x540
[261062.754007] [] ? remove_vma+0x52/0x70
[261062.754007] [] ? do_munmap+0x2d6/0x360
[261062.754007] [] ? sys_ioctl+0x49/0x80
[261062.754007] [] ? system_call_fastpath+0x16/0x1b
[261062.754007] Code: 00 00 00 00 00 00 48 83 7b 60 00 48 8b 4b 08 8b 93 84 00
00 00 74 17 89 d2 48 8d 73 60 48 c1 e2 07 48 8b 44 11 50 48 8d 7c 11 28 50
18 c7 83 20 01 00 00 00 00 00 00 48 8d 7b 48 31 c9 31 d2
[261062.754007] RIP [] ttm_bo_cleanup_memtype_use+0x51/0x80
[261062.754007] RSP
[261062.754007] CR2: 0000000000000018
[261062.795877] ---[ end trace 4bb94fa28b7f787a ]---
--
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are watching the assignee of the bug.