[Bug 283027] kernel panic: malloc(M_WAITOK) with sleeping prohibited

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283027

            Bug ID: 283027
           Summary: kernel panic: malloc(M_WAITOK) with sleeping
                    prohibited
           Product: Base System
           Version: 15.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: grahamperrin@gmail.com

From bug 283015 comment 2 for the iwlwifi kernel panic with GENERIC-NODEBUG: 

> … I can boot GENERIC and then aim to reproduce the panic …

With GENERIC, I encountered a different panic when the OS woke from sleep: 


root@mowa219-gjp4-zbook-freebsd:/var/crash # su grahamperrin
% ls -hlnrt /var/crash | tail -n 7
-rw-r--r--  1 0 0  954K Nov 27 10:15 core.txt.10
-rw-r--r--  1 0 0    3B Nov 28 09:52 bounds
-rw-------  1 0 0  444B Nov 28 09:52 info.11
-rw-------  1 0 0  2.7G Nov 28 09:53 vmcore.11
lrwxr-xr-x  1 0 0    7B Nov 28 09:53 info.last -> info.11
lrwxr-xr-x  1 0 0    9B Nov 28 09:53 vmcore.last -> vmcore.11
-rw-r--r--  1 0 0  690K Nov 28 09:53 core.txt.11
% uname -abvKU
FreeBSD mowa219-gjp4-zbook-freebsd 15.0-CURRENT FreeBSD 15.0-CURRENT
main-n273894-45d108ee147c GENERIC amd64 1500028 1500028
279c10d4900a60aac40d63a41d483479870f3144
% grep -B 4 -A 1 ifconfig_wlan1 /etc/rc.conf

wlans_iwlwifi0="wlan1"
create_args_wlan1="wlanmode sta country GB regdomain etsi"
# create_args_wlan1="country GB regdomain etsi"
ifconfig_wlan1="WPA DHCP"

% exit
exit
root@mowa219-gjp4-zbook-freebsd:/var/crash # cat info.11
Dump header from device: /dev/ada1p2
  Architecture: amd64
  Architecture Version: 2
  Dump Length: 2880442368
  Blocksize: 512
  Compression: none
  Dumptime: 2024-11-28 09:45:01 +0000
  Hostname: mowa219-gjp4-zbook-freebsd
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 15.0-CURRENT main-n273894-45d108ee147c GENERIC
  Panic String: malloc(M_WAITOK) with sleeping prohibited
  Dump Parity: 2687204117
  Bounds: 11
  Dump Status: good
root@mowa219-gjp4-zbook-freebsd:/var/crash # 


base 45d108ee147cc8776a659578da585b31a0ba5643 (2024-11-27 14:30:52 +0000) at
the time of the panic.

I did not take a photograph. If I recall correctly, the screen froze with a
(red) arrow pointer on a dark/blank background before the lock screen appeared.
The pointer that I normally see with Plasma.

Re:
<https://old.reddit.com/r/freebsd/comments/1go058m/debugacpiresume_beep_beep_the_speaker_on_resume/lxk6pg0/>,
in bug 283015 and in this bug there was silence (no debug beep).

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