Date: Fri, 23 Dec 2016 13:25:40 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 215513] panic: SACK scoreboard must not be empty Message-ID: <bug-215513-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215513 Bug ID: 215513 Summary: panic: SACK scoreboard must not be empty Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: pho@FreeBSD.org While stress testing I see this a lot. Seems related to low value of v_free_count. panic: SACK scoreboard must not be empty cpuid =3D 10 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0131bcd= 560 vpanic() at vpanic+0x186/frame 0xfffffe0131bcd5e0 kassert_panic() at kassert_panic+0x126/frame 0xfffffe0131bcd650 tcp_sack_doack() at tcp_sack_doack+0x4d4/frame 0xfffffe0131bcd6d0 tcp_do_segment() at tcp_do_segment+0x1a06/frame 0xfffffe0131bcd7c0 tcp_input() at tcp_input+0xd7c/frame 0xfffffe0131bcd920 ip_input() at ip_input+0x17b/frame 0xfffffe0131bcd980 swi_net() at swi_net+0x175/frame 0xfffffe0131bcd9e0 intr_event_execute_handlers() at intr_event_execute_handlers+0x96/frame 0xfffffe0131bcda20 ithread_loop() at ithread_loop+0xa6/frame 0xfffffe0131bcda70 fork_exit() at fork_exit+0x84/frame 0xfffffe0131bcdab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0131bcdab0 https://people.freebsd.org/~pho/stress/log/full.txt --=20 You are receiving this mail because: You are the assignee for the bug.=
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