On Sat, Nov 24, 2018 at 07:38:32PM +0000, Leighton Sheppard wrote:
> Hi,                                                                           
>                                               
>                                                                               
>                                               
> I just wanted to point this bug out in case this hasn't been reported yet.
> Upgrading to latest -current (GENERIC.MP#466 amd64), the upgrade completed
> ok, however, after the first reboot the kernel panics.
> 
> The same panic can be repeated by simply rebooting the VM. The host is a 
> Windows 10 x64 (1809 - 17763.134).
> 
> I managed to catch some of this crash below and can provide screenshots, 
> if this is preferred:
> 
> pvbus0 at mainbus0: Hyper-V 10.0
> pvclock0 at pvbus0panic: pvclock0: unstable result on stable clock
> Stoped at       db_enter+0x12:  popq    %rll
>    TID     PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
> *    0       0      0     0x10000      0x200    0K swapper
> db_enter(32812156fefcc1ab,100,10,ffffffff81f6daa8,202,8) at db_enter+0x12
> panic(0,ffffffff81c7b330,ffffffff81c7b310,ffff800000068780,ffff8000000687a
> 4,ffffffff81ce24e9) at panic+0x120
> pvclock_get_timecount(e27619fa46d73893,ffffffff81c8bd28,ffffffff810eww48,
> ffffffff81f6db60,0,fffffffff81c7b330) at pvclock_get_timecount+0xa8
> 
> I can boot into an older kernel to grab a dmesg if this is required?
> 
> Kind Regards,
> Leighton

This should be fixed by the latest commit by phessler@

https://marc.info/?l=openbsd-cvs&m=154307429728533&w=2

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