[Bug 72458] New: Machine freezes when launching Firefox

[Bug 72458] New: Machine freezes when launching Firefox

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=72458

          Priority: medium
            Bug ID: 72458
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: Machine freezes when launching Firefox
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: konglomeratum-5cx0thTFrxg@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 90436
  --> https://bugs.freedesktop.org/attachment.cgi?id=90436&action=edit
dmesg

My machine occasionally freezed, especially, as I remember, when launching
Firefox. I had to hard-reset my computer.
About two weeks ago, after a freeze, I somehow managed to save a dmesg output.
(I do not remember exactly. Maybe, after a while, the keyboard responded to
Ctrl-Alt-F3?)
I replaced the xserver-xorg-video-nouveau driver (which came with the Xubuntu)
with nvidia-304, and there was no freeze since then.

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[Bug 72458] [NV63] Machine freezes when launching Firefox

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=72458

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Machine freezes when        |[NV63] Machine freezes when
                   |launching Firefox           |launching Firefox

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Some relevant bits from the log. Pretty sure that the MMIO writes to b010/b020
aren't an issue... although I am a bit surprised you're seeing them. I wonder
if firefox is somehow managing to invoke PMPEG. Or it could be the fifo getting
fed random stuff causing it.

Also, your kernel is compiled with gcc-4.8. Are you using a libdrm before
2.4.48 also compiled with gcc-4.8? If so, upgrade, or use an older gcc.

[ 4986.606330] nouveau E[   PFIFO][0000:00:10.0] DMA_PUSHER - ch 4
[firefox[3578]] get 0x0036a000 put 0x0036a088 state 0xc0000000 (err: MEM_FAULT)
push 0x00000000

MEM_FAULT? A little coincidental that the get pointer is at a page boundary.
But this is pre-nv50, so there's no paging... what does MEM_FAULT mean?

[ 4986.606336] nouveau W[   PFIFO][0000:00:10.0] unknown intr 0x00010000, ch 4
[ 4987.074657] nouveau E[    PBUS][0000:00:10.0] MMIO write of 0x00dd0001 FAULT
at 0x00b010
[ 4987.080772] nouveau E[    PBUS][0000:00:10.0] MMIO write of 0x00e90001 FAULT
at 0x00b020
[ 5002.116004] nouveau E[firefox[3578]] failed to idle channel 0xcccc0000
[firefox[3578]]
[ 5002.116006] nouveau E[firefox[3574]] failed to idle channel 0xcccc0000
[firefox[3574]]
[ 5002.118725] [sched_delayed] sched: RT throttling activated
[ 5002.129735] nouveau E[    PBUS][0000:00:10.0] MMIO write of 0x00000000 FAULT
at 0x00b010
[ 5002.136251] nouveau E[    PBUS][0000:00:10.0] MMIO write of 0x00000000 FAULT
at 0x00b020
[ 5017.116005] nouveau E[firefox[3578]] failed to idle channel 0xcccc0000
[firefox[3578]]
[ 5017.136003] nouveau E[firefox[3574]] failed to idle channel 0xcccc0000
[firefox[3574]]
[ 5024.076000] BUG: soft lockup - CPU#1 stuck for 21s! [firefox:3574]
[ 5024.076000] CPU: 1 PID: 3574 Comm: firefox Tainted: GF           
3.11.0-13-generic #20-Ubuntu
[ 5024.076000] Hardware name: Gigabyte Technology Co., Ltd.
GA-73PVM-S2H/GA-73PVM-S2H, BIOS F6 03/11/2008
[ 5024.076000] task: ffff88003ba51770 ti: ffff88003df4e000 task.ti:
ffff88003df4e000
[ 5024.076000] RIP: 0010:[<ffffffff8136f892>]  [<ffffffff8136f892>]
ioread32+0x42/0x50
[ 5024.076000] RSP: 0018:ffff88003df4fca0  EFLAGS: 00000292
[ 5024.076000] RAX: 0000000000000000 RBX: ffff88003df42280 RCX:
000000000000f7f3
[ 5024.076000] RDX: 000000000000f7f3 RSI: ffffc900023c6048 RDI:
ffffc900023c6048
[ 5024.076000] RBP: ffff88003df4fca8 R08: 0000000000017360 R09:
ffff880061979780
[ 5024.076000] R10: ffffffffa0253b00 R11: ffff88003df4fe10 R12:
ffff88005ea3a808
[ 5024.076000] R13: ffff880072936000 R14: 0000000000000008 R15:
0000000000000001
[ 5024.076000] FS:  00007faf14955740(0000) GS:ffff88007fa80000(0000)
knlGS:0000000000000000
[ 5024.076000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5024.076000] CR2: 00007fffbc0f1b08 CR3: 000000005eb19000 CR4:
00000000000007e0
[ 5024.076000] Stack:
[ 5024.076000]  ffffffffa01c06e5 ffff88003df4fcb8 ffffffffa01f2f3f
ffff88003df4fcf0
[ 5024.076000]  ffffffffa01ea83f ffff880061979780 0000000000000000
0000000000000000
[ 5024.076000]  ffff88003ba51770 0000000000000000 ffff88003df4fd48
ffffffffa01eaed5
[ 5024.076000] Call Trace:
[ 5024.076000]  [<ffffffffa01c06e5>] ? _nouveau_fifo_channel_rd32+0x15/0x20
[nouveau]
[ 5024.076000]  [<ffffffffa01f2f3f>] nv10_fence_read+0x1f/0x30 [nouveau]
[ 5024.076000]  [<ffffffffa01ea83f>] nouveau_fence_update+0x6f/0x90 [nouveau]
[ 5024.076000]  [<ffffffffa01eaed5>] nouveau_fence_wait+0xc5/0x1a0 [nouveau]
[ 5024.076000]  [<ffffffffa01eb238>] ? nouveau_fence_new+0x68/0xc0 [nouveau]
[ 5024.076000]  [<ffffffffa01e9495>] nouveau_channel_idle+0x75/0xa0 [nouveau]
[ 5024.076000]  [<ffffffffa01f2bbe>] nouveau_abi16_ioctl_gpuobj_free+0x8e/0x170
[nouveau]

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[Bug 72458] [NV63] Machine freezes when launching Firefox

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=72458

--- Comment #2 from Rebecca Palmer <R.Palmer-mHdZ94l+r7K1Qrn1Bg8BZw@public.gmane.org> ---
> Are you using a libdrm before 2.4.48 also compiled with gcc-4.8?

If it's the one that came with (X)Ubuntu, it's 2.4.46 compiled with gcc 4.8,
but a recent update (3 days before your dmesg log, but I think such updates are
by default installed only weekly) backported that fix
(https://launchpad.net/ubuntu/+source/libdrm/2.4.46-1ubuntu1).

To check whether you have that update, run (in a terminal):
dpkg -s libdrm-nouveau2
Version 2.4.46-1 is unfixed, 2.4.46-1ubuntu1 is fixed.

To install it if you don't have it already, go to System Settings > Software &
Updates > Updates and tick "Recommended updates (saucy-updates)", then run
Software Updater.

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[Bug 72458] [NV63] Machine freezes when launching Firefox

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=72458

Christopher M. Penalver <christopher.m.penalver-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED

--- Comment #3 from Christopher M. Penalver <christopher.m.penalver-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Peter, Saucy is EOL as of July 17, 2014. For more on this, please see
https://wiki.ubuntu.com/Releases .

If this is an issue in a supported release, it will help immensely if you filed
a new report with Ubuntu by ensuring you have the package xdiagnose installed,
and that you click the Yes button for attaching additional debugging
information running the following from a terminal:
ubuntu-bug xorg

Also, please feel free to subscribe me to it.

For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.

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