On Tue, Feb 10, 2015 at 3:58 AM, Christopher Armstrong <ch...@opdemand.com> wrote: > > Hi folks, > > One of our users is seeing machine crashes almost daily. He's using Ceph > v0.87 giant, and is seeing this crash: > https://gist.githubusercontent.com/ianblenke/b74e5aa5547130ebc0fb/raw/c3eeab076310d149443fd6118113b9d94f176303/gistfile1.txt > > It seems easy to trigger this by rsyncing to the CephFS mount. We're using > the kernel client here, so I'm wondering if it's related to this timestamp > bug: > http://lists.ceph.com/pipermail/ceph-users-ceph.com/2015-January/045838.html > > Does anyone have any insight into the crash? Some confirmation that it's > related to system clocks/timestamps would be helpful. > > Another note is that we're using HVM virtualization on EC2. Not sure if > people have run into this before or not.
The crash didn't happen immediately after 'ceph: mds0 caps stale', I have no idea what went wrong. Could you setup 'netconsole' to get call trace of the kernel crash. Regards Yan, Zheng > > Thanks, > > Chris > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
