On 4/1/21 2:59 am, Oleg Ginzburg wrote:
Hi,

Over the past two weeks some changes appeared, which lead to a panic while trying to load the VMM kernel module.

Kernel and revision with which everything was fine:
FreeBSD 14.0-CURRENT #0 main-n245511-a771bf748f9: Thu Mar 18 06:35:21 UTC 2021

Latest builds get panic: https://paste.pics/C2FOS <https://paste.pics/C2FOS>

CPU: AMD Ryzen 7 PRO 3700U w/ Radeon Vega Mobile Gfx (2295.74-MHz K8-class CPU)
( Thinkpad t495s )

I see possible commits that could affect this behavior (all previous months before that moment, the VMM module works fine on the current equipment):

https://cgit.freebsd.org/src/commit/?id=ede14736fd6d74db0374f4a233491ad5dc0e9b1d <https://cgit.freebsd.org/src/commit/?id=ede14736fd6d74db0374f4a233491ad5dc0e9b1d> https://cgit.freebsd.org/src/commit/?id=74ada297e8978b8efda3dffdd1bb24aee7c5faa4 <https://cgit.freebsd.org/src/commit/?id=74ada297e8978b8efda3dffdd1bb24aee7c5faa4>

If you need to provide additional information that will help diagnose the problem - please inform.

I will look into it, thanks.

Ka Ho
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