Date: Wed, 22 Apr 2015 11:19:58 +0200 From: Peter Holm <peter@holm.cc> To: Lawrence Stewart <lstewart@freebsd.org> Cc: net@freebsd.org Subject: Re: panic: SACK scoreboard must not be empty Message-ID: <20150422091958.GA81930@x2.osted.lan> In-Reply-To: <5536FD31.40000@freebsd.org> References: <20150415110401.GA26326@x2.osted.lan> <5536FD31.40000@freebsd.org>
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On Wed, Apr 22, 2015 at 11:45:21AM +1000, Lawrence Stewart wrote: > Hi Peter, > > On 04/15/15 21:04, Peter Holm wrote: > > Seen during i386 stress tests. > > > > db_trace_self_wrapper(c11e20fc,0,c11b79d4,1eb,e47578e0,...) at db_trace_self_wrapper+0x2a/frame 0xe47578b0 > > kdb_backtrace(c139e637,2,c120851d,e4757984,e4757940,...) at kdb_backtrace+0x2d/frame 0xe4757918 > > vpanic(c155b86a,100,c120851d,e4757984,e4757984,...) at vpanic+0x11d/frame 0xe4757954 > > kassert_panic(c120851d,0,8,164,16,...) at kassert_panic+0xe6/frame 0xe4757978 > > tcp_sack_doack(e047d900,e4757a48,e9eeab30,5f8,c15a9298,...) at tcp_sack_doack+0x405/frame 0xe47579f0 > > tcp_do_segment(df801720,e047d900,40,0,0,...) at tcp_do_segment+0x21c2/frame 0xe4757aa0 > > tcp_input(e4757bec,e4757be8,6,0,e4757be8,...) at tcp_input+0xfbc/frame 0xe4757ba0 > > ip_input(e1cb5800,0,c11f6228,2f0,45,...) at ip_input+0x17c/frame 0xe4757c0c > > swi_net(c1c25880,c11d6fed,54f,8f6da840,c8a209c8,...) at swi_net+0x1a3/frame 0xe4757c4c > > intr_event_execute_handlers(c156a310,c8a20980,c11d6fed,54f,0,...) at intr_event_execute_handlers+0xdb/frame 0xe4757c74 > > ithread_loop(c88d4f50,e4757ce8,c11d6d7c,3dc,0,...) at ithread_loop+0x87/frame 0xe4757cac > > fork_exit(c0b2c9d0,c88d4f50,e4757ce8) at fork_exit+0x7e/frame 0xe4757cd4 > > fork_trampoline() at fork_trampoline+0x8/frame 0xe4757cd4 > > > > Details: > > https://people.freebsd.org/~pho/stress/log/kostik794.txt > > > > >From the looks of the log, you don't have a core? > Sure, I have. https://people.freebsd.org/~pho/kernel+vmcore.792.txz -- Peter
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