Date: Mon, 11 Feb 2019 14:58:11 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 235640] panic: mutex pipe mutex not owned at ../../../kern/sys_pipe.c:1748 Message-ID: <bug-235640-227-olZooWO7sE@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-235640-227@https.bugs.freebsd.org/bugzilla/> References: <bug-235640-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235640 --- Comment #2 from Peter Holm <pho@FreeBSD.org> --- (In reply to Mark Johnston from comment #1) Test scenario: misc/kevent13.sh I just updated the test scenario to include VM pressure. root@t2:~pho/stress2/misc # uname -a FreeBSD t2.osted.lan 13.0-CURRENT FreeBSD 13.0-CURRENT #2 r343705M: Sun Feb= 10 19:11:22 CET 2019 pho@t2.osted.lan:/usr/src/sys/amd64/compile/PHO amd64 root@t2:~pho/stress2/misc # ./kevent13.sh=20 panic: mutex pipe mutex not owned at ../../../kern/sys_pipe.c:1748 cpuid =3D 14 time =3D 1549896871 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00d70b3= 3d0 vpanic() at vpanic+0x1b4/frame 0xfffffe00d70b3430 panic() at panic+0x43/frame 0xfffffe00d70b3490 __mtx_assert() at __mtx_assert+0xb4/frame 0xfffffe00d70b34a0 filt_pipewrite() at filt_pipewrite+0x30/frame 0xfffffe00d70b34c0 kqueue_register() at kqueue_register+0xa03/frame 0xfffffe00d70b3550 kqueue_kevent() at kqueue_kevent+0xa2/frame 0xfffffe00d70b3820 kern_kevent_fp() at kern_kevent_fp+0x97/frame 0xfffffe00d70b3870 kern_kevent() at kern_kevent+0x9f/frame 0xfffffe00d70b38d0 kern_kevent_generic() at kern_kevent_generic+0x70/frame 0xfffffe00d70b3930 sys_kevent() at sys_kevent+0x61/frame 0xfffffe00d70b3990 amd64_syscall() at amd64_syscall+0x291/frame 0xfffffe00d70b3ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00d70b3ab0 --- syscall (560, FreeBSD ELF64, sys_kevent), rip =3D 0x80043055a, rsp =3D 0x7fffdfffde88, rbp =3D 0x7fffdfffded0 --- KDB: enter: panic [ thread pid 1369 tid 101232 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> --=20 You are receiving this mail because: You are the assignee for the bug.=
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