Date: Tue, 23 Nov 2004 02:13:07 +0100 From: Peter Holm <peter@holm.cc> To: John Baldwin <jhb@FreeBSD.org> Cc: phk@FreeBSD.org Subject: Re: panic: sleeping thread owns a non-sleepable lock Message-ID: <20041123011307.GA38559@peter.osted.lan> In-Reply-To: <200411221657.36659.jhb@FreeBSD.org> References: <20041122143804.GA36649@peter.osted.lan> <200411221657.36659.jhb@FreeBSD.org>
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On Mon, Nov 22, 2004 at 04:57:36PM -0500, John Baldwin wrote: > On Monday 22 November 2004 09:38 am, Peter Holm wrote: > > During stress test with GENERIC HEAD from Nov 20 08:40 UTC I got: > > Sleeping on "fdesc" with the following non-sleepable locks held: > > exclusive sleep mutex fdesc r = 0 (0xc08d15a0) locked @ > > kern/kern_descrip.c:2425 and then > > panic: sleeping thread (pid 92279) owns a non-sleepable lock > > > > http://www.holm.cc/stress/log/cons89.html > > Yes, the panic is a result of the earlier warning. Poul-Henning touched this > code last, so it is probably something for him to look at. I'm unsure how > msleep() is getting called, however. The turnstile panic is not important, > can you find the thread that went to sleep (should be pid 92279) and get > stack trace for that? > The ddb trace is in the log, just before call doadump. Let me know if you need any gdb output. -- Peter Holm
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