Date: Thu, 27 Oct 2005 13:35:50 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Bjoern Koenig <bkoenig@cs.tu-berlin.de> Cc: current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: deadlocks with SMP and Pentium 3 Message-ID: <20051027173550.GA81309@xor.obsecurity.org> In-Reply-To: <4360B263.1070802@cs.tu-berlin.de> References: <435F2BCE.1040704@cs.tu-berlin.de> <20051026073915.GA77249@xor.obsecurity.org> <4360B263.1070802@cs.tu-berlin.de>
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[-- Attachment #1 --] On Thu, Oct 27, 2005 at 12:56:35PM +0200, Bjoern Koenig wrote: > Kris Kennaway wrote: > > >You need to break to DDB, trace processes and examine lock state with > >commands like 'show alllocks' and 'show lockedvnods' to see what is > >going on. > > Unfortunately the machine freezes completely and I can't break to the > debugger anymore. Try with KDB_STOP_NMI (called STOP_NMI) in 7.0. Kris > It happens absolutely unforeseen, therefore I can't > examine states shortly before it freezes. I run several instances of > 'unixbench shell' and 'ubench -c'; sometimes it takes a few seconds and > sometimes 10 minutes until the machine stops working. > > I like to except hardware failures, because FreeBSD 4.11 and Windows > Server 2003 run under high load without problems for several hours. > > I'll spend some more time. > > Thanks > Bj?rn > [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDYQ/2Wry0BWjoQKURAuHRAJ98gXxdonubo2GvJ02FyWjv6xKyPQCg0rzn HjR+fMs86kW8hPxC03WCHoM= =Cs2V -----END PGP SIGNATURE-----
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