Date: Thu, 9 Dec 2004 02:31:19 +0000 (GMT) From: Robert Watson <rwatson@freebsd.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: mlaier@freebsd.org Subject: protocol timer running before protocol is fully initialized (again) (was re: panic: mtx_lock() of spin mutex ...) Message-ID: <Pine.NEB.3.96L.1041209023008.44319C-100000@fledge.watson.org> In-Reply-To: <20041209002303.GC4674@troutmask.apl.washington.edu>
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On Wed, 8 Dec 2004, Steve Kargl wrote: > panic: mtx_lock() of spin mutex (null) @ sys/netinet/frag6.c:682 > cpuid = 0 > kdb_backtrace+0x37 > panic+0x1d1 > _mtx_lock_flags+0x72 > frag6_slowtimo+0x26 > pfslowtimo+0x5a > softclock+0x1c0 > ithread_loop+0x179 > fork_exit+0xe9 > fork_trampoline+0xe > > This is FreeBSD/amd64 from today's sources of about 30 minutes ago. >From the instant interpretation unit: it looks like this is another example of a protocl's timeout firing before the protocol is properly initialized, as the mutex appears to be zero'd due to being in BSS. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research
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