Messages in this thread | | | Date | Wed, 8 Feb 2012 10:23:31 +0100 | From | Jan Kara <> | Subject | Re: Soft lockup problem |
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On Wed 08-02-12 00:16:15, Wolfram Gloger wrote: > Thanks for your response. > > > From: Jan Kara <jack@suse.cz> > > > Hmm, then this isn't really a deadlock (at least in your case) but only a > > rather unresponsive system. > > Well, like the subject says this is a "soft lockup".. We differ in terminology a bit but that's not really important when I know what you mean :)
> When it happened the first time the system actually recovered > after some hours. > But like Gerard said, there is no apparent ground for this > unresponsiveness, there are tons of memory free and no swapping. Yeah, interesting. There are no processes waiting for IO either so I'm puzzled what causes you problems.
> > Looking at the backtraces you provided I don't > > see anything really suspicious. Only maybe fsnotify_mark process - do you > > use fsnotify? > > I have configured CONFIG_FSNOTIFY=y indeed but don't think I'm using it > from userspace.. Well, apparently something uses it because fsnotify_mark thread is just in the process of destroying some mark. Maybe you could run with CONFIG_FSNOTIFY=n just to rule out some problems there...
Honza -- Jan Kara <jack@suse.cz> SUSE Labs, CR
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