From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 57921] New: NULL pointer dereference in radeon_bo_create
Date: Fri, 10 May 2013 00:40:16 +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 A2DE2E5D03
for ;
Thu, 9 May 2013 17:40:21 -0700 (PDT)
Received: from mail.kernel.org (localhost [127.0.0.1])
by mail.kernel.org (Postfix) with ESMTP id A84112076E
for ;
Fri, 10 May 2013 00:40:20 +0000 (UTC)
Received: from bugzilla.kernel.org (bugzilla.kernel.org [198.145.19.217])
by mail.kernel.org (Postfix) with ESMTP id B399E2075F
for ;
Fri, 10 May 2013 00:40:16 +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=57921
Summary: NULL pointer dereference in radeon_bo_create
Product: Drivers
Version: 2.5
Kernel Version: 3.9.0
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: luke-jr+linuxbugs@utopios.org
CC: alexdeucher@gmail.com
Regression: No
Created an attachment (id=101041)
--> (https://bugzilla.kernel.org/attachment.cgi?id=101041)
Full dmesg
This might be invalid, as I'm a kernel newbie trying to workaround a host issue
with my hacky patch, but it *seems* to be unrelated to that issue. Any pointers
would be welcome.
[ 133.921546] BUG: unable to handle kernel NULL pointer dereference at
00000020
[ 133.922104] IP: [] drm_pcie_get_speed_cap_mask+0x24/0xc0 [drm]
[ 133.922104] *pde = 00000000
[ 133.922104] Oops: 0000 [#1] PREEMPT SMP
[ 133.922104] Modules linked in: radeon(+) ipv6 hwmon drm_kms_helper ttm drm
evdev 8250 serial_core sr_mod i2c_piix4 button i2c_algo_bit cdrom psmouse [last
unloaded: radeon]
[ 133.922104] Pid: 4983, comm: modprobe Not tainted 3.9.0-gentoo #5 Bochs
Bochs
[ 133.922104] EIP: 0060:[] EFLAGS: 00010286 CPU: 0
[ 133.922104] EIP is at drm_pcie_get_speed_cap_mask+0x24/0xc0 [drm]
[ 133.922104] EAX: f6a96000 EBX: f4073c30 ECX: 00000000 EDX: f4073c30
[ 133.922104] ESI: 00000000 EDI: f6b5b070 EBP: f4073c24 ESP: f4073c00
[ 133.922104] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 133.922104] CR0: 8005003b CR2: 00000020 CR3: 361d8000 CR4: 000006d0
[ 133.922104] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 133.922104] DR6: ffff0ff0 DR7: 00000400
[ 133.922104] Process modprobe (pid: 4983, ti=f4072000 task=f6b325d0
task.ti=f4072000)
[ 133.922104] Stack:
[ 133.922104] f4073c4c f8828415 00000001 f63ca614 00000001 00000000 00000000
f41e0000
[ 133.922104] ffffffff f4073c3c f886e79d 00001000 00000000 f41e0000 f41e0000
f4073c80
[ 133.922104] f886e8c0 00000000 f6b5b070 f4073c68 f8829403 00000001 00000004
00000000
[ 133.922104] Call Trace:
[ 133.922104] [] ? radeon_bo_create+0x145/0x180 [radeon]
[ 133.922104] [] evergreen_pcie_gen2_enable+0x8d/0x1a0 [radeon]
[ 133.922104] [] evergreen_startup+0x10/0x1970 [radeon]
[ 133.922104] [] ? radeon_gart_table_vram_alloc+0x53/0x60 [radeon]
[ 133.922104] [] ? r600_pcie_gart_init+0x59/0x60 [radeon]
[ 133.922104] [] evergreen_init+0x17c/0x290 [radeon]
[ 133.922104] [] radeon_device_init+0x559/0x610 [radeon]
[ 133.922104] [] ? cail_mc_write+0x20/0x20 [radeon]
[ 133.922104] [] radeon_driver_load_kms+0x78/0x120 [radeon]
[ 133.922104] [] drm_get_pci_dev+0x12b/0x240 [drm]
[ 133.922104] [] radeon_pci_probe+0x81/0xa0 [radeon]
[ 133.922104] [] pci_device_probe+0x7b/0xc0
[ 133.922104] [] driver_probe_device+0x5c/0x1e0
[ 133.922104] [] ? pci_match_device+0xaa/0xc0
[ 133.922104] [] __driver_attach+0x89/0x90
[ 133.922104] [] ? driver_probe_device+0x1e0/0x1e0
[ 133.922104] [] bus_for_each_dev+0x42/0x70
[ 133.922104] [] driver_attach+0x1c/0x30
[ 133.922104] [] ? driver_probe_device+0x1e0/0x1e0
[ 133.922104] [] bus_add_driver+0xcc/0x220
[ 133.922104] [] ? pci_dev_put+0x20/0x20
[ 133.922104] [] driver_register+0x65/0x130
[ 133.922104] [] __pci_register_driver+0x2e/0x40
[ 133.922104] [] drm_pci_init+0xf5/0x100 [drm]
[ 133.922104] [] radeon_init+0x52/0x6f [radeon]
[ 133.922104] [] do_one_initcall+0x2f/0x170
[ 133.922104] [] ? __vunmap+0x6e/0xd0
[ 133.922104] [] ? 0xf88b9fff
[ 133.922104] [] load_module+0x1ad4/0x2050
[ 133.922104] [] ? vmap_page_range_noflush+0x103/0x190
[ 133.922104] [] ? _copy_from_user+0x30/0x50
[ 133.922104] [] sys_init_module+0x7a/0xa0
[ 133.922104] [] syscall_call+0x7/0xb
[ 133.922104] Code: 90 90 90 90 90 90 90 55 89 e5 83 ec 24 89 5d f8 89 d3 89
75 fc c7 02 00 00 00 00 8b 80 f0 01 00 00 85 c0 74 10 8b 40 08 8b 70 1c <0f> b7
46 20 66 3d 66 11 75 0f b8 ea ff ff ff 8b 5d f8 8b 75 fc
[ 133.922104] EIP: [] drm_pcie_get_speed_cap_mask+0x24/0xc0 [drm]
SS:ESP 0068:f4073c00
[ 133.922104] CR2: 0000000000000020
[ 133.977137] ---[ end trace 71ff26e878f5734b ]---
--
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are watching the assignee of the bug.