Date: Thu, 23 Apr 2015 08:33:00 +1000 From: Lawrence Stewart <lstewart@freebsd.org> To: Peter Holm <peter@holm.cc> Cc: net@freebsd.org Subject: Re: panic: SACK scoreboard must not be empty Message-ID: <5538219C.7090600@freebsd.org> In-Reply-To: <20150422091958.GA81930@x2.osted.lan> References: <20150415110401.GA26326@x2.osted.lan> <5536FD31.40000@freebsd.org> <20150422091958.GA81930@x2.osted.lan>
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On 04/22/15 19:19, Peter Holm wrote: > 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 > Oh, great. For some reason I thought I saw a filesystem full message related to capturing the dump in the log, but it was just my brain playing tricks on me :) I'll take a look at this panic. Thanks for the report and crash dump. Cheers, Lawrence
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