> From: Justin Yang <linuxjus...@gmail.com>
> Date: Sat, 1 May 2021 21:15:31 +0800
> 
> Hi,
> 
> I have a Raspberry Pi 4B (8G mem) with OpenBSD 6.8 installed on a USB 3
> disk drive, and with edk2 firmware v1.22 flashed on SD card. It works fine
> untill I upgrade to 6.9 Release by 'sysupgrade' today. After this
> upgrading, the system becomes unstable and crashes randomly and says:
> 
> panic: assertwaitok: non-zero mutex count: 1
> 
> The screenshot can be viewed here: https://ibb.co/K6N1DdM
> 
> Then I flashed edk2 firmware v1.21 to SD card just now, and booted it
> again, but still, it didn't work and crashed as before. I can confirm
> there's not such issue in 6.8. Am I missing something or is this a bug?

Please post the full dmesg of both the 6.8 and the 6.9 kernel.  And if
the panic happens again, follow the instructions pointed at on your
screen.

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