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 .)
> reads like it is for page-out to disk:
> 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.
> 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,
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