[Bug 274519] panic with x11/nvidia-driv er-470: sleepq_add: td … to sleep on wchan … with sleeping prohibited

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 23 Feb 2024 23:05:09 UTC

--- Comment #6 from Graham Perrin <grahamperrin@gmail.com> ---
Created attachment 248706
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=248706&action=edit
A photograph of one of two external displays that were in use on 14th February

(In reply to Graham Perrin from comment #4)

> … Note: play in Chromium coincided with a kernel panic at least once before …

I found a photograph from 14th February. The same as today: GeoGuessr in
Chromium, full screen. 

Original photograph metadata: 

    14 Feb
    Wed, 12:57GMT+00:00

– that is, around eight minutes after the time of the dump (see below); the
freeze remains visible for a long time before an automated restart of the OS. 


Dump header from device: /dev/ada1p2
  Architecture: amd64
  Architecture Version: 2
  Dump Length: 4074110976
  Blocksize: 512
  Compression: none
  Dumptime: 2024-02-14 12:49:14 +0000
  Hostname: mowa219-gjp4-zbook-freebsd
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 15.0-CURRENT main-n268149-eb86c6c5b462 GENERIC
  Panic String: sleepq_add: td 0xfffff80013259000 to sleep on wchan
0xffffffff8443a120 with sleeping prohibited
  Dump Parity: 3755260517
  Bounds: 0
  Dump Status: good

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