* [Bug 57921] New: NULL pointer dereference in radeon_bo_create
@ 2013-05-10 0:40 bugzilla-daemon
2013-05-10 0:40 ` [Bug 57921] " bugzilla-daemon
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-05-10 0:40 UTC (permalink / raw)
To: dri-devel
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: [<f80efb94>] 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:[<f80efb94>] 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] [<f8828415>] ? radeon_bo_create+0x145/0x180 [radeon]
[ 133.922104] [<f886e79d>] evergreen_pcie_gen2_enable+0x8d/0x1a0 [radeon]
[ 133.922104] [<f886e8c0>] evergreen_startup+0x10/0x1970 [radeon]
[ 133.922104] [<f8829403>] ? radeon_gart_table_vram_alloc+0x53/0x60 [radeon]
[ 133.922104] [<f8853eb9>] ? r600_pcie_gart_init+0x59/0x60 [radeon]
[ 133.922104] [<f887039c>] evergreen_init+0x17c/0x290 [radeon]
[ 133.922104] [<f8813559>] radeon_device_init+0x559/0x610 [radeon]
[ 133.922104] [<f8812180>] ? cail_mc_write+0x20/0x20 [radeon]
[ 133.922104] [<f8814dd8>] radeon_driver_load_kms+0x78/0x120 [radeon]
[ 133.922104] [<f80efd5b>] drm_get_pci_dev+0x12b/0x240 [drm]
[ 133.922104] [<f88120e1>] radeon_pci_probe+0x81/0xa0 [radeon]
[ 133.922104] [<c120efdb>] pci_device_probe+0x7b/0xc0
[ 133.922104] [<c129207c>] driver_probe_device+0x5c/0x1e0
[ 133.922104] [<c120e6da>] ? pci_match_device+0xaa/0xc0
[ 133.922104] [<c1292289>] __driver_attach+0x89/0x90
[ 133.922104] [<c1292200>] ? driver_probe_device+0x1e0/0x1e0
[ 133.922104] [<c1290a82>] bus_for_each_dev+0x42/0x70
[ 133.922104] [<c1291c7c>] driver_attach+0x1c/0x30
[ 133.922104] [<c1292200>] ? driver_probe_device+0x1e0/0x1e0
[ 133.922104] [<c129186c>] bus_add_driver+0xcc/0x220
[ 133.922104] [<c120ee90>] ? pci_dev_put+0x20/0x20
[ 133.922104] [<c1292715>] driver_register+0x65/0x130
[ 133.922104] [<c120f0be>] __pci_register_driver+0x2e/0x40
[ 133.922104] [<f80eff65>] drm_pci_init+0xf5/0x100 [drm]
[ 133.922104] [<f88ba052>] radeon_init+0x52/0x6f [radeon]
[ 133.922104] [<c100113f>] do_one_initcall+0x2f/0x170
[ 133.922104] [<c10d765e>] ? __vunmap+0x6e/0xd0
[ 133.922104] [<f88ba000>] ? 0xf88b9fff
[ 133.922104] [<c1081ce4>] load_module+0x1ad4/0x2050
[ 133.922104] [<c10d5a93>] ? vmap_page_range_noflush+0x103/0x190
[ 133.922104] [<c11f83a0>] ? _copy_from_user+0x30/0x50
[ 133.922104] [<c10822da>] sys_init_module+0x7a/0xa0
[ 133.922104] [<c1397c60>] 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: [<f80efb94>] drm_pcie_get_speed_cap_mask+0x24/0xc0 [drm]
SS:ESP 0068:f4073c00
[ 133.922104] CR2: 0000000000000020
[ 133.977137] ---[ end trace 71ff26e878f5734b ]---
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* [Bug 57921] NULL pointer dereference in radeon_bo_create
2013-05-10 0:40 [Bug 57921] New: NULL pointer dereference in radeon_bo_create bugzilla-daemon
@ 2013-05-10 0:40 ` bugzilla-daemon
2013-05-10 13:08 ` bugzilla-daemon
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-05-10 0:40 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=57921
--- Comment #1 from Luke-Jr <luke-jr+linuxbugs@utopios.org> 2013-05-10 00:40:46 ---
Created an attachment (id=101051)
--> (https://bugzilla.kernel.org/attachment.cgi?id=101051)
kernel patch by workaround VBIOS issue
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* [Bug 57921] NULL pointer dereference in radeon_bo_create
2013-05-10 0:40 [Bug 57921] New: NULL pointer dereference in radeon_bo_create bugzilla-daemon
2013-05-10 0:40 ` [Bug 57921] " bugzilla-daemon
@ 2013-05-10 13:08 ` bugzilla-daemon
2013-05-10 13:42 ` bugzilla-daemon
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-05-10 13:08 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=57921
--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> 2013-05-10 13:08:45 ---
Does the driver work ok when not in a VM and without the patch?
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* [Bug 57921] NULL pointer dereference in radeon_bo_create
2013-05-10 0:40 [Bug 57921] New: NULL pointer dereference in radeon_bo_create bugzilla-daemon
2013-05-10 0:40 ` [Bug 57921] " bugzilla-daemon
2013-05-10 13:08 ` bugzilla-daemon
@ 2013-05-10 13:42 ` bugzilla-daemon
2013-05-10 14:00 ` bugzilla-daemon
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-05-10 13:42 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=57921
--- Comment #3 from Luke-Jr <luke-jr+linuxbugs@utopios.org> 2013-05-10 13:42:18 ---
Yes.
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* [Bug 57921] NULL pointer dereference in radeon_bo_create
2013-05-10 0:40 [Bug 57921] New: NULL pointer dereference in radeon_bo_create bugzilla-daemon
` (2 preceding siblings ...)
2013-05-10 13:42 ` bugzilla-daemon
@ 2013-05-10 14:00 ` bugzilla-daemon
2013-11-13 20:39 ` bugzilla-daemon
2013-11-13 20:39 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-05-10 14:00 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=57921
--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> 2013-05-10 14:00:22 ---
I suspect this may be an issue with DMA or vram access from the VM. I'd double
check your VM config.
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* [Bug 57921] NULL pointer dereference in radeon_bo_create
2013-05-10 0:40 [Bug 57921] New: NULL pointer dereference in radeon_bo_create bugzilla-daemon
` (3 preceding siblings ...)
2013-05-10 14:00 ` bugzilla-daemon
@ 2013-11-13 20:39 ` bugzilla-daemon
2013-11-13 20:39 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-11-13 20:39 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=57921
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |alan@lxorguk.ukuu.org.uk
Resolution|--- |OBSOLETE
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* [Bug 57921] NULL pointer dereference in radeon_bo_create
2013-05-10 0:40 [Bug 57921] New: NULL pointer dereference in radeon_bo_create bugzilla-daemon
` (4 preceding siblings ...)
2013-11-13 20:39 ` bugzilla-daemon
@ 2013-11-13 20:39 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2013-11-13 20:39 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=57921
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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