On Mon, Sep 2, 2019 at 5:39 PM Toby Darling <toby@xxxxxxxxxxxxxxxxx> wrote: > > Hi > > We have a couple of RHEL 7.6 (3.10.0-957.21.3.el7.x86_64) clients that > have a number of uninterruptible threads and I'm wondering if we're > looking at the issue fixed by > https://www.spinics.net/lists/ceph-devel/msg45467.html (the fix hasn't > made it into RHEL 7.7 3.10.0-1062). > > Stack traces of the hung threads are at http://p.ip.fi/9pQA > > There are a number of entries listed in > /sys/kernel/debug/ceph/*/{osdc,mdsc} at http://p.ip.fi/VVzx > > Unfortunately, the issue isn't consistently reproducible Hi Toby, Looks very similar. If you see it happen again, dump all sleeping tasks with "echo w > /proc/sysrq-trigger". The "iput" task in that email goes to sleep voluntarily, so it is not considered hung by the watchdog. Thanks, Ilya _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx