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2015-04-23T21:32:19Z
Ceph
CephFS - Bug #11462: kernel: crash (when MDS died?)
https://tracker.ceph.com/issues/11462?journal_id=51040
2015-04-23T21:32:19Z
Greg Farnum
gfarnum@redhat.com
<ul></ul><p>We also saw it in <a class="external" href="http://pulpito.ceph.com/teuthology-2015-04-20_23:18:01-multimds-next-testing-basic-multi/857003/">http://pulpito.ceph.com/teuthology-2015-04-20_23:18:01-multimds-next-testing-basic-multi/857003/</a>, same MDS crash, the kernel one looks similar:<br /><pre>[4]kdb> bt
Stack traceback for pid 1
0xffff88040cdb0000 1 0 1 4 R 0xffff88040cdb0618 *init
ffff88040cdbbba8 0000000000000018 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
Call Trace:
<#DB> <<EOE>> [<ffffffff81114032>] ? kgdb_panic_event+0x22/0x50
[<ffffffff8107d2ad>] ? notifier_call_chain+0x4d/0x70
[<ffffffff8107d400>] ? __atomic_notifier_call_chain+0x70/0xb0
[<ffffffff8107d395>] ? __atomic_notifier_call_chain+0x5/0xb0
[<ffffffff8107d456>] ? atomic_notifier_call_chain+0x16/0x20
[<ffffffff817573f8>] ? panic+0xed/0x1fa
[<ffffffff8105eb33>] ? do_exit+0xa43/0xb50
[<ffffffff81766120>] ? _raw_spin_unlock_irq+0x30/0x40
[<ffffffff8105ece1>] ? do_group_exit+0x51/0xc0
[<ffffffff8106b91e>] ? get_signal+0x26e/0x760
[<ffffffff81002503>] ? do_signal+0x33/0xab0
[<ffffffff8175725b>] ? mm_fault_error+0x130/0x14c
[<ffffffff81049584>] ? __do_page_fault+0x374/0x4a0
[<ffffffff81767631>] ? retint_signal+0x11/0x90
[<ffffffff81002ff8>] ? do_notify_resume+0x78/0xa0
[<ffffffff81767666>] ? retint_signal+0x46/0x90</pre></p>
CephFS - Bug #11462: kernel: crash (when MDS died?)
https://tracker.ceph.com/issues/11462?journal_id=51164
2015-04-29T02:26:32Z
Zheng Yan
ukernel@gmail.com
<ul><li><strong>Status</strong> changed from <i>New</i> to <i>Rejected</i></li></ul><p>fuse mount is used in <a class="external" href="http://pulpito.ceph.com/teuthology-2015-04-20_23:18:01-multimds-next-testing-basic-multi/857003/">http://pulpito.ceph.com/teuthology-2015-04-20_23:18:01-multimds-next-testing-basic-multi/857003/</a>. The crash is unlikely cephfs related. Maybe the test was scheduled when testing branch ceph-client was in bad state.</p>
CephFS - Bug #11462: kernel: crash (when MDS died?)
https://tracker.ceph.com/issues/11462?journal_id=51265
2015-05-04T13:57:34Z
Greg Farnum
gfarnum@redhat.com
<ul></ul><p>FYI this popped up again in teuthology-2015-04-30_23:04:01-fs-next-testing-basic-multi/870815</p>
CephFS - Bug #11462: kernel: crash (when MDS died?)
https://tracker.ceph.com/issues/11462?journal_id=51291
2015-05-05T07:35:01Z
Zheng Yan
ukernel@gmail.com
<ul></ul><p>Greg Farnum wrote:</p>
<blockquote>
<p>FYI this popped up again in teuthology-2015-04-30_23:04:01-fs-next-testing-basic-multi/870815</p>
</blockquote>
<p>same backtrace?</p>
CephFS - Bug #11462: kernel: crash (when MDS died?)
https://tracker.ceph.com/issues/11462?journal_id=51306
2015-05-05T14:41:19Z
Greg Farnum
gfarnum@redhat.com
<ul></ul><p>I didn't do a character-by-character diff, but I checked most of the function names and they were the same, yes. :)</p>
CephFS - Bug #11462: kernel: crash (when MDS died?)
https://tracker.ceph.com/issues/11462?journal_id=74471
2016-07-13T00:37:58Z
Greg Farnum
gfarnum@redhat.com
<ul><li><strong>Component(FS)</strong> <i>kceph</i> added</li></ul>