On 16 December 2017 at 10:47, Mark Millard <mar...@dsl-only.net> wrote: > I got a "swap_pager: indefinite wait buffer" notice and looked > it up. (This was on a rpi2 booted (kernel and world) from a > USB SSD, swap partition in use instead of a swap file. It > was building devel/cmake via poudriere-devel .) > > https://www.freebsd.org/doc/faq/troubleshoot.html#indefinite-wait-buffer > reads like it is for page-out to disk: > > > QUOTE > 5.9. > > What does the error swap_pager: indefinite wait buffer: mean? > > This means that a process is trying to page memory to disk, and the page > attempt has hung trying to access the disk for more than 20 seconds. It might > be caused by bad blocks on the disk drive, disk wiring, cables, or any other > disk I/O-related hardware. If the drive itself is bad, disk errors will > appear in /var/log/messages and in the output of dmesg. Otherwise, check the > cables and connections. > ENDQUOTE > > > But the code containing the message is for "swread": > (head -r326888)
If I understand correctly this is fixed by change "trying to page to" to "trying to page from" ? In other words this happens on swap-in, not swap-out. -- Eitan Adler _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
