[Bug 235865] x11/nvidia-driver leads to deadlock with high cpu or instant reboot

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235865

            Bug ID: 235865
           Summary: x11/nvidia-driver leads to deadlock with high cpu or
                    instant reboot
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: danfe at FreeBSD.org
          Reporter: d8zNeCFG at aon.at
             Flags: maintainer-feedback?(danfe at FreeBSD.org)
          Assignee: danfe at FreeBSD.org

(This is in response to bug #235487 comment 13 asking to submit a separate bug
report.)

I have crashes since a while which are probably related to 3D acceleration with
nvidia.

They are usually triggered by activities in Firefox, sometimes seemingly also
by VirtualBox clients even though I run them mostly headless.

The setup is as follows:
- Thinkpad W520
- GF108 [Quadro 1000M] graphics card
- releng/12.0 with latest patches
- mesa-dri-18.3.2
- nvidia-driver-390.87_2
- xorg-server-1.18.4_11,1

The symptoms are as follows:
- In most cases, the machine suddenly locks up, consuming 100% CPU (from the
fan noise on between 1 to 4 CPUs).
- In one case so far, the machine has rebooted instantaneously.
A crash dump is never produced.

The crashes seem to happen after activities in Firefox, but sometimes also with
a VirtualBox client running. Regarding the latter, I recently switched from an
emulated le(4) device to a vtnet(4) device, and the issue might actually lie
there, which is to say that probably the lockups are not due to nvidia, but
rather to vtnet misbehaving.

-- Martin

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