Date: Tue, 6 Apr 2010 23:00:56 +0200 From: Giovanni Trematerra <giovanni.trematerra@gmail.com> To: Paul Halliday <paul.halliday@gmail.com> Cc: hackers@freebsd.org Subject: Re: Panic: sleeping thread Message-ID: <q2n4e6cba831004061400wbd37318fgc4ac6c872d251a49@mail.gmail.com> In-Reply-To: <u2q2dab70a31004061217y79320df0ia48e8c2492269836@mail.gmail.com> References: <u2q2dab70a31004061217y79320df0ia48e8c2492269836@mail.gmail.com>
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On Tue, Apr 6, 2010 at 9:17 PM, Paul Halliday <paul.halliday@gmail.com> wro= te: > ---------- Forwarded message ---------- > From: Paul Halliday <paul.halliday@gmail.com> > Date: Thu, Apr 1, 2010 at 8:38 AM > Subject: Re: panic: sleeping thread > To: questions@freebsd.org > > > On Mon, Mar 22, 2010 at 9:28 AM, Paul Halliday <paul.halliday@gmail.com> = wrote: >> I have a couple VM's that randomly halt with this error: >> >> Sleeping thread (tid 10018, pid 1058) owns a non-sleepable lock >> panic: sleeping thread >> cpuid =3D 0 >> Uptime 11h14m31s >> Cannot dump. Device not defined or unavailable. >> >> FreeBSD 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08 UTC >> 2009 =A0 =A0 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC >> amd64 >> >> These systems run nightly Nessus scans and these halts are very >> sporadic; I can go a week w/o seeing one. >> >> What should I do to start to troubleshoot this? You might want to obtain a kernel dump. Take a look at http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html -- Gianni
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