On 1/30/2018 5:23 PM, Nimrod Levy wrote:> That's really strange. I never saw those kinds of deadlocks, but I did
> notice that if I kept the cpu busy using distributed.net
> <http://distributed.net> I could keep the full system lockups away
for
> at least a week if not longer.
>
> Not to keep harping on it, but what worked for me was lowering the
> memory speed. I'm at 11 days of uptime so far without anything running
> the cpu. Before the change it would lock up anywhere from an hour to a day.
>
Spoke too soon. After a dozen loops, the process has hung again. Note,
this is not the box locking up, just the compile. I do have memory at a
lower speed too. -- 2133 instead of the default 2400
I also just tried upgrading to the latest HEAD with a generic kernel and
same / similar lockups although procstat -kk gives some odd results
root at amdtestr12:/home/mdtancsa # procstat -kk 6067
PID TID COMM TDNAME KSTACK
6067 100865 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100900 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100901 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100902 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100903 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100904 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100905 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100906 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100907 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100908 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100909 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100910 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
6067 100911 python2.7 - ??+0 ??+0 ??+0 ??+0
??+0 ??+0 ??+0 ??+0 ??+0 ??+0
root at amdtestr12:/home/mdtancsa # procstat -t 6067
PID TID COMM TDNAME CPU PRI STATE
WCHAN
6067 100865 python2.7 - -1 152 sleep
usem
6067 100900 python2.7 - -1 152 sleep
umtxn
6067 100901 python2.7 - -1 152 sleep
umtxn
6067 100902 python2.7 - -1 152 sleep
umtxn
6067 100903 python2.7 - -1 152 sleep
umtxn
6067 100904 python2.7 - -1 152 sleep
umtxn
6067 100905 python2.7 - -1 152 sleep
umtxn
6067 100906 python2.7 - -1 152 sleep
umtxn
6067 100907 python2.7 - -1 152 sleep
umtxn
6067 100908 python2.7 - -1 152 sleep
umtxn
6067 100909 python2.7 - -1 152 sleep
umtxn
6067 100910 python2.7 - -1 152 sleep
umtxn
6067 100911 python2.7 - -1 152 sleep
umtxn
root at amdtestr12:/home/mdtancsa #
--
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada