[Nouveau] [Bug 107964] New: [GTX970] system hang when using libreoffice

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107964

            Bug ID: 107964
           Summary: [GTX970] system hang when using libreoffice
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: fariouche at yahoo.fr
        QA Contact: xorg-team at lists.x.org

Hello,

I'm facing an annoying crash with nouveau driver when using libreoffice,
particularly librecalc, when I try to display a submenu (properties of a cell
for example)

The relevant crash lines are:
kernel: nouveau 0000:03:00.0: fifo: fault 01 [WRITE] at 0000000078e02000 engine
00 [GR] client 0f [GPC0/PROP_0] reason 82 [] on channel 2 [103fb01000 X[5295]]
kernel: nouveau 0000:03:00.0: fifo: channel 2: killed
kernel: nouveau 0000:03:00.0: fifo: runlist 0: scheduled for recovery
kernel: nouveau 0000:03:00.0: fifo: engine 0: scheduled for recovery
kernel: nouveau 0000:03:00.0: fifo: engine 7: scheduled for recovery
kernel: nouveau 0000:03:00.0: X[5295]: channel 2 killed!


After this, I can only reboot using the reset button (hard lock up?)

I'm using mesa 18.1.6, xf86-video-nouveau from git,kernel 4.18.8, firmwares
2018-09-13, Dual Monitor (4K p60 + 1080i) gtx970, this is a gentoo distro.

I can help debug if needed, just tell me where/what to investigate.
Unfortunately, I do not have any xorg log since the crash block the system
entirely

Thanks
regards

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