Date: Tue, 30 Oct 2007 21:50:24 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: d@delphij.net Cc: MingyanGuo <guomingyan@gmail.com>, current@freebsd.org, Dmitry Morozovsky <marck@rinet.ru>, freebsd-current@freebsd.org, delphij@freebsd.org, Howard Su <howard0su@gmail.com> Subject: Re: tmpfs on contemporary -current: panic: locked against myself Message-ID: <47279910.5080909@FreeBSD.org> In-Reply-To: <472561A7.60108@delphij.net> References: <20070917194009.W84177@woozle.rinet.ru> <200709171912.09060.qpadla@gmail.com> <46EEA89F.3060606@delphij.net> <200709241223.52140.qpadla@gmail.com> <472561A7.60108@delphij.net>
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LI Xin wrote: > Nikolay Pavlov wrote: >> On Monday 17 September 2007 19:17:35 LI Xin wrote: >>> Nikolay Pavlov wrote: >>> [...] >>> >>>> Yes it's still need more fixes. I have send a mail to delphij >>>> regarding this one panic: >>>> http://docs.freebsd.org/cgi/mid.cgi?200708201848.22157.qpadla >>>> But with out any response. May be he is busy :( >>> Sorry I am aware of the issue and am busy for $REALJOB these days. I >>> have cc'ed howardsu@ and mingyanguo@ to see if they have some >>> suggestions. The problem seems to be a race condition caused by >>> incorrect VFS related locking, but diagnosing it is relatively hard. >>> >>> I'll try to pick up with the development in early October. Before that >>> I can only do some small scale bugfixes rather than investing more time >>> into tmpfs stuff... :-( >>> >>> Cheers, >> Just want to be sure that no one lose this. Here is a PR: >> http://www.freebsd.org/cgi/query-pr.cgi?pr=116600 > > Can not reproduce here. Could you please confirm that this still > persists for latest RELENG_7? > > Cheers, I don't know about that one, but I am able to get this panic still after a few seconds of load: panic: Assertion IMPLIES(dnode->tn_type == VDIR && dnode->tn_dir.tn_parent == dnode, !(cnp->cn_flags & ISDOTDOT)) failed at ../../../fs/tmpfs/tmpfs_vnops.c:97 If you can fix that I can look for the other one :) Kris
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