[Ocfs2-devel] avoid being purged when queued for assert_master
Sunil Mushran
sunil.mushran at oracle.com
Fri Oct 14 10:56:54 PDT 2011
On 10/14/2011 01:57 AM, Wengang Wang wrote:
> Problem reproduced(against mainline) with the above patch applied. Also with the hacking
> patch(attached).
>
> testcase is attached.
>
> (kworker/u:2,14465,1):dlm_assert_master_handler:1828 ERROR: DIE! Mastery
> assert from 0, but current owner is 1! (master)
> lockres: master, owner=1, state=0
> last used: 0, refcnt: 3, on purge list: no
> on dirty list: no, on reco list: no, migrating pending: no
> inflight locks: 0, asts reserved: 0
> refmap nodes: [ ], inflight=0
> granted queue:
> type=5, conv=-1, node=1, cookie=1:28, ref=2, ast=(empty=y,pend=n),
> bast=(empty=y,pend=n), pending=(conv=n,lock=n,cancel=n,unlock=n)
> converting queue:
> blocked queue:
Name the nodes such that the node numbers are obvious. Easier
to debug that way.
This won't reproduce if you move the sleep 30000 in dlm_do_assert_master()
after we set DLM_LOCK_RES_SETREF_INPROG. Is that correct?
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