On Wed, 11 Nov 2020 10:20:41 +0100, Jan Stary wrote:
> This is current/amd64 on an APU2 (dmesg below).
> It seems that after every sysupgrade,
> there is a storm of messages like these:
>
> uvn_flush: obj=0x0, offset=0x7c20000. error during pageout.
> uvn_flush: WARNING: changes to page may be lost!
>
> They appear right after the booting sequence is finished,
> and never appear again. This does not happen after a regular
> reboot, only after sysupgrade's reboot. The logs of the last
> three occasions follow.
This happens when /usr/libexec/reorder_kernel runs and your /usr
is full. If you have upgraded the system multiple times there is
probably cruft in /usr you can remove such as old shared libraries
and obsolete binaries.
Your removal of /usr/X11R6 probably is what "fixes" it after
sysupgrade.
- todd
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