Re: [Bug 292695] rpi3b+ muge0 panic on shutdown

Alex Samorukov <[email protected]> Mon, 26 Jan 2026 09:41:18 +0100
Newsgroups gmane.os.freebsd.devel.arm
Message-ID <[email protected]>
On 26.01.2026 8:24, Adrian Chadd wrote:
>> Kindly asking to review and merge if possible,
>>
>> https://bz-attachments.freebsd.org/attachment.cgi?id=267455
> hi!
>
> Hm! So, is the panic because the callout is running during shutdown?
> Chances are you want to set the flag early in detach, and then go
> through the shutdown
> path of cancel/draining the poll callout, it should catch it 100%
> without needing the pause!

Hi Adrian. Thank you for review and you absolutely right, USB draining 
eliminates need for the pause

I updated both patches:

https://bugs.freebsd.org/bugzilla/attachment.cgi?id=267497&action=diff

https://bugs.freebsd.org/bugzilla/attachment.cgi?id=267496&action=diff