[Bug 267029] iwlwifi: Panic on initial network startup

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 15 Oct 2022 18:34:36 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267029

Bjoern A. Zeeb <bz@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Open
           Assignee|wireless@FreeBSD.org        |bz@FreeBSD.org
                 CC|                            |bz@FreeBSD.org

--- Comment #1 from Bjoern A. Zeeb <bz@FreeBSD.org> ---
Please try a ifconfig wlan0 down && sleep 1 && ifconfig wlan0 up insteadt of
service restart.

The core.txt seems to have a lot of log_in_vain bits in it but I cannot
actually find the initial error anymore.  You may have to increase your kernel
message buffer.

The line right before the kernel panic contains an error from the driver, which
would have been great in the bug report.

I am also confused by the fact that you say a power cycle did not help and
always panics on start given your crashdump was full of running firefox.
Can you elaborate a bit more on when it worked and when it stopped working?
Currently it sounds like you had a working machine, it lost assoc, you tried to
fix that, it paniced, and after that it now always panics with the same kernel
on every bootup despite having the laptop turned off even?

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