On Mon, Sep 24, 2018, 14:03 Kees Bakker <ke...@ghs.com> wrote: > Same question again: what is the best approach to recover > from a container in an ERROR state? >
Please show me the dmesg output. If it is a kernel bug you're hitting there's nothing that LXD can do to help you. > This time it happened with Ubuntu 18.04 and LVM storage. > > The steps leading to this were as follows. It's just an FYI, I don't think > it > really matters, except for the stop and start. > > lvextend -L 20G local/containers_xyz > resize2fs /dev/local/containers_xyz > lxc stop xyz > e2fsck -f /dev/local/containers_ > lxc start xyz > > ... the start command hanged. > > Some output os ps auxfwww > > root 6224 0.0 0.0 22912 4096 pts/1 S sep06 0:00 > | \_ -bash > root 20900 0.0 0.0 1136140 12092 pts/1 Sl+ 12:19 0:00 > | \_ lxc start xyz > -- > root 18157 3.5 4.2 5581444 1398904 ? Ssl sep12 611:36 > /usr/lib/lxd/lxd --group lxd --logfile=/var/log/lxd/lxd.log > root 20918 0.0 0.0 521720 19780 ? Sl 12:19 0:00 \_ > /usr/lib/lxd/lxd forkstart xyz /var/lib/lxd/containers > /var/log/lxd/xyz/lxc.conf > root 20925 0.0 0.0 0 0 ? Z 12:19 0:00 \_ > [lxd] <defunct> > -- > root 20926 0.0 0.0 530432 7280 ? Ss 12:19 0:00 [lxc > monitor] /var/lib/lxd/containers xyz > root 20943 0.0 0.0 530432 3484 ? D 12:19 0:00 \_ [lxc > monitor] /var/lib/lxd/containers xyz > > > > On 11-09-18 15:13, Kees Bakker wrote: > > Hey, > > > > Every now and then we have one or more containers in state ERROR. > > Is there a clever method to recover from that, other than > > rebooting the LXD server? > > > > Killing the monitor and the forkstart does help. And also a kworker > > process (kworker/u16:0) is eating up one of the CPUs with 100% load. > > lxc info gives "error: Monitor is hung" > > > > I'm running Ubuntu 16.04 with BTRFS. The kernel is 4.15.0-33-generic > > _______________________________________________ > lxc-users mailing list > lxc-users@lists.linuxcontainers.org > http://lists.linuxcontainers.org/listinfo/lxc-users
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