thr3ads.net - Nouveau - [Nouveau] [Bug 61765] New: Regression: null pointer dereference on reboot after switcheroo use [Mar 2013]

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bugzilla-daemon at freedesktop.org

2013-Mar-03 22:02 UTC

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

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

          Priority: medium
            Bug ID: 61765
          Assignee: nouveau at lists.freedesktop.org
           Summary: Regression: null pointer dereference on reboot after
                    switcheroo use
        QA Contact: xorg-team at lists.x.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: crrodriguez at opensuse.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 75867
  --> https://bugs.freedesktop.org/attachment.cgi?id=75867&action=edit
screenshot of the crash

echo OFF > /sys/kernel/debug/vgaswitcheroo/switch

causes a null ptr deref at shurdown in this hybrid graphics laptop.

01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 540M]
(rev a1)

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)

It used to work fine in 3.6 , it broke at some point after 3.7 and continues to
be broken in 3.8 or in 3.9.

The attached file has a screen caputure of the crash.

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bugzilla-daemon at freedesktop.org

2013-Mar-03 22:08 UTC

head link

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

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

Cristian Rodr?guez <crrodriguez at opensuse.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #75867|text/plain                  |image/jpeg
          mime type|                            |

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bugzilla-daemon at freedesktop.org

2013-Jun-16 05:15 UTC

head link

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

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

--- Comment #1 from Cristian Rodr?guez <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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bugzilla-daemon at freedesktop.org

2013-Sep-06 20:22 UTC

head link

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

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

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Can you explain what steps you take in order to make this happen? It seems like
vgaswitcheroo turns off the nvidia card, and then Xorg sends it an ioctl (which
I would have assumed should fail) which breaks since the card is off.

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bugzilla-daemon at freedesktop.org

2015-Jan-17 00:08 UTC

head link

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

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

Tobias Klausmann <tobias.klausmann at mni.thm.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #3 from Tobias Klausmann <tobias.klausmann at mni.thm.de> ---
still a problem with newer kernels (3.17, 3.18)? there were really many fixes
in between that could fix this...

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bugzilla-daemon at freedesktop.org

2019-Dec-04 08:33 UTC

head link

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

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

Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |MOVED

--- Comment #4 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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You can subscribe and participate further through the new bug through this link
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https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/38.

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