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-- Warning - threadjack in progress. But I think it might be related. --<br>
<br>
Interesting. Could this be similar to the case that I'm seeing with "no
space left on device"? Here's my uneducated assumption:<br>
- at this point I believe some form of I/O error or interrupt causes
ocfs2 to error out<br>
- the "remount read only" effect silently kicks in (no log message
though)<br>
- now file operations return "no space left on device", but my device
is showing 2% use<br>
<br>
The reasons I imagine a correlation between these two are:<br>
Tao says:<br>
> The ERESTARTSYS may happen when we get interrupted from
ocfs2_cluster_lock.<br>
> I met with it when I rm -rf a very large dir and use "ctrl+c" to
stop it <br>
> when I tested bug 1162.<br>
<br>
There are also a fair number of posts over in the kernel lists talking
about qlogic driver issues (qla2xxx) relating to PCI MSI's causing
hangs under moderate I/O load.<br>
eg: <a class="moz-txt-link-freetext" href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/268242">https://bugs.launchpad.net/ubuntu/+source/linux/+bug/268242</a><br>
<br>
The rm -rf on a very large dir would do presumably do this. I also hit
this when I do a local rsync or untar of very large directory trees.<br>
EMC also recommends the qlogic HBA be set to Interrupt after every I/O
completion. Could this cause a race condition?<br>
All of these have interrupts in common. Think setting nointr as a mount
option would help here?<br>
<br>
Best,<br>
James<br>
<br>
Joel Becker wrote:
<blockquote cite="mid:20090901004623.GE19626@mail.oracle.com"
type="cite">
<pre wrap="">On Mon, Aug 31, 2009 at 12:39:02PM -0700, Joel Becker wrote:
</pre>
<blockquote type="cite">
<pre wrap="">On Mon, Aug 31, 2009 at 12:16:36PM -0700, Joel Becker wrote:
5441 open("t/t6015-rev-list-show-all-parents.sh", O_WRONLY|O_CREAT|O_EXCL|O_LARGEFILE, 0777) = ? ERESTARTSYS (To be restarted)
</pre>
</blockquote>
<pre wrap=""><!---->
The workaround is to mount with the 'nointr' option.
Joel
</pre>
</blockquote>
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