Crash when upgrading since 11.0

Adam Vande More amvandemore at
Wed Feb 8 22:07:37 UTC 2017

On Wed, Feb 8, 2017 at 4:01 PM, Bertram Scharpf <lists at>

> Hi,
> since I upgraded to 11.0, when I do an overnight upgrade
> the system crashes.
> Most times I still can ping the host but I can no longer
> ssh into it. Once when I plugged a monitor into it I caught
> it saying endlessly
>   swap-pager: indefinite wait buffer bufobj: 0 blkno: N size: 16384
> with two alternating values for N. I plugged in a USB
> keyboard but could not enter anything.
> What could I try to make that work again?

Boot into single user mode and disable swap temporarily until you get it
sorted out.


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