Messages in this thread | | | Date | Fri, 7 Nov 2008 20:40:23 +0800 | From | Herbert Xu <> | Subject | Re: [linux-next] possible circular locking dependency for cryptsetup |
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On Fri, Nov 07, 2008 at 08:37:50PM +1100, Stephen Rothwell wrote: > > > ======================================================= > > [ INFO: possible circular locking dependency detected ] > > 2.6.28-rc3-next-20081106-mad-1 #2 > > ------------------------------------------------------- > > cryptsetup/2554 is trying to acquire lock: > > (&cpu_hotplug.lock){--..}, at: [<c012cd32>] get_online_cpus+0x22/0x40 > > > > but task is already holding lock: > > (&mm->mmap_sem){----}, at: [<c018b98e>] sys_mlockall+0x5e/0xd0
I don't see anything in the back-trace that's crypto related or even dm related. Therefore I suspect the problem is in core sysfs, mm or CPU hot plugging.
Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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