On Tue, May 22, 2018 at 08:17:00AM -0400, Steve Wills wrote: > I may be seeing similar issues. Have you tried leaving top -SHa running > and seeing what threads are using CPU when it hangs? I did and saw pid > 17 [zfskern{txg_thread_enter}] using lots of CPU but no disk activity > happening. Do you see similar? Can you try https://reviews.freebsd.org/D7538 and report? > On 05/22/18 04:17, Alexander Leidinger wrote: > > Hi, > > > > does someone else experience deadlocks / hangs in ZFS? > > > > What I see is that if on a 2 socket / 4 cores -> 16 threads system I do > > a lot in parallel (e.g. updating ports in several jails), then the > > system may get into a state were I can login, but any exit (e.g. from > > top) or logout of shell blocks somewhere. Sometimes it helps to CTRL-C > > all updates to get the system into a good shape again, but most of the > > times it doesn't. > > > > On another system at the same rev (333966) with a lot less CPUs (and AMD > > instead of Intel), I don't see such a behavior. > > > > Bye, > > Alexander. > > > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"Received on Tue May 22 2018 - 10:29:35 UTC
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