On 30. 10. 12 00:17, Jonathan Nieder wrote:
Hi Etienne,
Etienne Bagnoud wrote:
The bug described there https://lists.launchpad.net/ubuntu-ha/msg01558.html is
also
present in current Debian Wheezy kernel (I think it's a kernel bug).
The problem arise when running CTDB over OCFS2 filesystem with DRBD, log are
spammed with "dlm: dev_write no op ...".
[...]
** Kernel log:
[61147.256772] dlm: dev_write no op a496cdc8 f4202
[61148.254552] dlm: dev_write no op a496cdc8 f4202
[61149.252208] dlm: dev_write no op a496cdc8 f4202
Sounds like<https://bugzilla.redhat.com/731775>, which had the
following summary:
| Cause: the patch for bug 678585 was incomplete. dlm_controld was
| still passing error results back to the kernel for posix unlock
| operations flagged with CLOSE.
|
| Consequence: the kernel complains if it receives a posix lock result
| that it is not expecting: "dev_write no op ...". Many of these can
| appear, especially when using flocks (not posix locks).
|
| Fix: dlm_controld is fixed to not pass error results to the kernel
| for posix unlock operations flagged with CLOSE.
|
| Result: No "dev_write no op" messages should appear.
The fix seems to be present in redhat-cluster/unstable and not in
squeeze or wheezy. Can you confirm?
I tried the same setup with unstable and saw no error, so it should be ok
Thanks,
Etienne.
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