[Nouveau] [Bug 61765] Regression: null pointer dereference on reboot after switcheroo use

Sat Jun 15 22:15:33 PDT 2013

https://bugs.freedesktop.org/show_bug.cgi?id=61765

--- Comment #1 from Cristian Rodríguez <crrodriguez at opensuse.org> ---
Now the issue has mutated into a BUG: unable to handle kernel paging request at
ffff8803323e9ffc

Here is the kernel trace

Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: VGA switcheroo:
switched nouveau off
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
suspending fbcon...
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
suspending display...
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
unpinning framebuffer(s)...
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
evicting buffers...
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
waiting for kernel channels to go idle...
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
suspending client object trees...
Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau  [     DRM]
suspending kernel object tree...
Jun 16 01:05:13 xps15z.thno.cristianrodriguez.org kernel: nouveau 0000:01:00.0:
power state changed by ACPI to D3hot
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: BUG: unable to handle
kernel paging request at ffff8803323e9ffc
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: IP:
[<ffffffff81486609>] evo_wait+0x69/0xd0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: PGD 1ed7067 PUD 0 
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Oops: 0002 [#1]
PREEMPT SMP 
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Modules linked in:
intel_powerclamp coretemp kvm_intel iTCO_wdt iTCO_vendor_support kvm
crc32_pclmul dell_wmi sparse_keymap ghash_clmulni_intel aesni_intel
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CPU: 0 PID: 703 Comm:
Xorg Not tainted 3.10.0-rc6-666-desktop-00017-g6a1c4e4 #43
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Hardware name: Dell
Inc.          Dell System XPS 15Z/00WW5M, BIOS A12 09/07/2012
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: task:
ffff880232940000 ti: ffff880232e5e000 task.ti: ffff880232e5e000
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RIP:
0010:[<ffffffff81486609>]  [<ffffffff81486609>] evo_wait+0x69/0xd0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RSP:
0018:ffff880232e5f960  EFLAGS: 00010246
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RAX: ffff8802323ea000
RBX: 000000003fffffff RCX: ffff88023269a200
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RDX: 0000000000000000
RSI: 0000000000000000 RDI: ffff880233cbca40
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RBP: ffff880232e5f980
R08: 000000000000000d R09: ffff880210696500
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: R10: 0000000000000000
R11: 0000000000000000 R12: ffff880233cbca20
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: R13: ffff880233cbca40
R14: 0000000040000007 R15: ffffffff8187e460
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: FS: 
00007f58984ba880(0000) GS:ffff88023fa00000(0000) knlGS:0000000000000000
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CS:  0010 DS: 0000
ES: 0000 CR0: 0000000080050033
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CR2: ffff8803323e9ffc
CR3: 000000022cf98000 CR4: 00000000000407e0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Stack:
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  ffff880233cb7000
ffff880210696b00 ffff880232676e40 ffff880233cbc000
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  ffff880232e5f9a8
ffffffff814888a3 ffff880232676e40 ffff880233cbca20
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  ffff880233cbc000
ffff880232e5f9d0 ffffffff81488975 ffff88023234c478
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Call Trace:
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff814888a3>]
nv50_display_flip_stop+0x53/0xc0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff81488975>]
nv50_crtc_prepare+0x25/0x190
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff8136510f>]
drm_crtc_helper_set_mode+0x25f/0x450
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff813667d2>]
drm_crtc_helper_set_config+0xa22/0xb40
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff8137798e>]
drm_mode_set_config_internal+0x1e/0x50
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff8137a187>]
drm_mode_setcrtc+0xf7/0x650
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff81470f86>]
? nouveau_user_framebuffer_create+0x66/0xb0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff8136b302>]
drm_ioctl+0x532/0x660
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff811657c5>]
do_vfs_ioctl+0x2e5/0x4d0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff8106dc31>]
? vtime_account_user+0x61/0x70
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff811659f0>]
SyS_ioctl+0x40/0x80
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  [<ffffffff816aca8b>]
tracesys+0xdd/0xe2
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Code: 81 fe f7 03 00
00 77 1a 48 89 d0 49 03 44 24 18 5b 41 5c 41 5d 41 5e 5d c3 66 0f 1f 84 00 00
00 00 00 49 8b 44 24 18 31 d2 31 f6 <c7> 04 98 00 00 00 
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RIP 
[<ffffffff81486609>] evo_wait+0x69/0xd0
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel:  RSP
<ffff880232e5f960>
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CR2: ffff8803323e9ffc
Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: ---[ end trace
403519e1213664b5 ]---

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