Re: [ceph-users] kernel crash after 'ceph: mds0 caps stale' and 'mds0 hung' -- issue with timestamps or HVM virtualization on EC2?

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:

Re: [ceph-users] kernel crash after 'ceph: mds0 caps stale' and 'mds0 hung' -- issue with timestamps or HVM virtualization on EC2?

On Mon, Feb 9, 2015 at 11:58 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:

Re: [ceph-users] kernel crash after 'ceph: mds0 caps stale' and 'mds0 hung' -- issue with timestamps or HVM virtualization on EC2?

Greg, Thanks for confirming they're unrelated - that'll save me from going down the wrong path in debugging. I'll see what I can do about getting more info from the MDS - I'll relay this to our user. Chris On Mon, Feb 9, 2015 at 1:51 PM, Gregory Farnum g...@gregs42.com wrote: On Mon, Feb 9,

[ceph-users] kernel crash after 'ceph: mds0 caps stale' and 'mds0 hung' -- issue with timestamps or HVM virtualization on EC2?

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