panic: I/O to pool appears to be hung on vdev

[Eugene Grosbein]

15.11.2019 13:08, Eugene Grosbein wrote:
> Hi!
> 
> Recently I did routine source upgrade from 11.2-STABLE/amd64 to 11.3-STABLE r354667
> that went without any problem. After less than 2 days of uptime it paniced and failed to reboot (hung),
> screenshot is here: http://www.grosbein.net/freebsd/zpanic.png
> 
> It did not panic with 11.2-STABLE but had some performance problems with ZFS.

I have to correct myself: it did panic same way at least once with 11.2-STABLE r344922