On Thu, Apr 26, 2012 at 12:38 AM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > On Tue, Apr 24, 2012 at 08:26:04PM +0200, Juerg Haefliger wrote: >> On Tue, Apr 24, 2012 at 2:07 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: >> > On Tue, Apr 24, 2012 at 10:55:22AM +0200, Juerg Haefliger wrote: >> >> > Alright, then I need all the usual information. I suspect an event >> >> > trace is the only way I'm going to see what is happening. I just >> >> > updated the FAQ entry, so all the necessary info for gathering a >> >> > trace should be there now. >> >> > >> >> > http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F >> >> >> >> Very good. Will do. What kernel do you want me to run? I would prefer >> >> our current production kernel (2.6.38-8-server) but I understand if >> >> you want something newer. >> > >> > If you can reproduce it on a current kernel - 3.4-rc4 if possible, if >> > not a 3.3.x stable kernel would be best. 2.6.38 is simply too old to >> > be useful for debugging these sorts of problems... >> >> OK, I reproduced a hang running 3.4-rc4. The data is here but it's a >> whopping 2GB (yes it's compressed): >> https://region-a.geo-1.objects.hpcloudsvc.com:443/v1.0/AUTH_9630ead2-6194-40df-afd3-7395448d4536/xfs-hang/report-2012-04-24.tar > > That's a bit big to be useful, and far bigger than I'm willing to > download given that I'm on the end of a wet piece of string, not a > big fat intarwebby pipe. Fair enough. > I'm assuming it is the event trace > that is causing it to blow out? If so, just the 30-60s either side of > the hang first showing up is probaby necessary, and that should cut > the size down greatly.... Can I shorten the existing trace.dat? I stopped the trace automatically 10 secs after the the xlog_... trace showed up in syslog so effectively some 130+ secs after the hang occured. ...Juerg > Cheers, > > Dave. > -- > Dave Chinner > david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
