On 25/1/18 9:26 am, Patrick O'Callaghan wrote:
On Wed, 2018-01-24 at 14:01 -0700, stan wrote:
On Wed, 24 Jan 2018 12:03:54 +0000
Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote:
On rebooting today my system took an age to shutdown, for no apparent
reason but possibly related to NFS mounts.
I run a daemon to feed entropy into the kernel pool. It sleeps most of
the time, waking up only when the pool drops below a threshold. If I
shutdown while it is sleeping, it takes a minute and a half before
systemd sends it a kill -9, unless it wakes up in the interval. If I
kill the process before shutdown, there is no wait. Perhaps
something like this is happening to you (the NFS mounts?).
This would imply that the daemon isn't responding to a TERM signal,
hence the timeout. I thought NFS did obey TERM, but a glance at the man
pages doesn't show any reference to signals, so the answer must remain
a mystery.
I get the same issue on my system but for me it is completely random as
to when it happens and when it doesn't. The last time it happened , it
paused for a minute or so after the normal watchdog not stopping
message, and just before it eventually decided to shutdown another
message was displayed that looked like it might have been relative to
mounts, but it disappeared too quickly to be sure.
regards,
Steve
poc
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