Date: Thu, 06 Sep 2018 18:26:17 +0000 From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 227784] zfs: Fatal trap 9: general protection fault while in kernel mode on shutdown Message-ID: <bug-227784-3630-L7sOVU6r8g@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-227784-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-227784-3630@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227784 Conor <inextricable.nadir@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |inextricable.nadir@gmail.co | |m --- Comment #11 from Conor <inextricable.nadir@gmail.com> --- I've also seen this issue on FreeBSD 11.2-RELEASE-p2, not CURRENT in somewh= at reproducible fashion; the panic seems to happen under heavy ZFS load reading and writing via NFS _eventually_ without fail. The manner which I trigger it each time is running a bittorrent client which is writing to the NFS share = from another machine. The stack trace is always the same. Problem Machine: FreeBSD nas 11.2-RELEASE-p2 FreeBSD 11.2-RELEASE-p2 #0: Tue Aug 14 21:45:40= UTC 2018 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC a= md64 Entry in /var/log/messages on reboot: Sep 4 23:08:35 nas kernel: Fatal trap 9: general protection fault while in kernel mode Sep 4 23:08:35 nas kernel: cpuid =3D 0; apic id =3D 00 Sep 4 23:08:35 nas kernel: instruction pointer =3D 0x20:0xffffffff80f7572e Sep 4 23:08:35 nas kernel: stack pointer =3D 0x28:0xfffffe023273a9b0 Sep 4 23:08:35 nas kernel: frame pointer =3D 0x28:0xfffffe023273a9b0 Sep 4 23:08:35 nas kernel: code segment =3D base 0x0, limit 0xfffff, type 0x 1b Sep 4 23:08:35 nas kernel: =3D DPL 0, pres 1, long 1, def32 0, gran 1 Sep 4 23:08:35 nas kernel: processor eflags =3D interrupt enabled, resu= me, IOPL =3D 0 Sep 4 23:08:35 nas kernel: current process =3D 0 (zio_read_int= r_0_4) Sep 4 23:08:35 nas kernel: trap number =3D 9 Sep 4 23:08:35 nas kernel: panic: general protection fault Sep 4 23:08:35 nas kernel: cpuid =3D 0 Sep 4 23:08:35 nas kernel: KDB: stack backtrace: Sep 4 23:08:35 nas kernel: #0 0xffffffff80b3d567 at kdb_backtrace+0x67 Sep 4 23:08:35 nas kernel: #1 0xffffffff80af6b07 at vpanic+0x177 Sep 4 23:08:35 nas kernel: #2 0xffffffff80af6983 at panic+0x43 Sep 4 23:08:35 nas kernel: #3 0xffffffff80f77fcf at trap_fatal+0x35f Sep 4 23:08:35 nas kernel: #4 0xffffffff80f7758e at trap+0x5e Sep 4 23:08:35 nas kernel: #5 0xffffffff80f57dac at calltrap+0x8 Sep 4 23:08:35 nas kernel: #6 0xffffffff8228a6b6 at abd_copy_off+0x156 Sep 4 23:08:35 nas kernel: #7 0xffffffff82307ffa at vdev_queue_agg_io_done+0x6a Sep 4 23:08:35 nas kernel: #8 0xffffffff8232ecfe at zio_done+0x90e Sep 4 23:08:35 nas kernel: #9 0xffffffff8232a74c at zio_execute+0xac Sep 4 23:08:35 nas kernel: #10 0xffffffff80b4ed74 at taskqueue_run_locked+0x154 Sep 4 23:08:35 nas kernel: #11 0xffffffff80b4fed8 at taskqueue_thread_loop+0x98 Sep 4 23:08:35 nas kernel: #12 0xffffffff80aba083 at fork_exit+0x83 zpool status: root@nas:/var/log # zpool status pool: zroot state: ONLINE scan: scrub repaired 24K in 0h7m with 0 errors on Tue Sep 4 23:21:17 2018 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 raidz3-0 ONLINE 0 0 0 ada0p3 ONLINE 0 0 0 ada1p3 ONLINE 0 0 0 ada2p3 ONLINE 0 0 0 ada3p3 ONLINE 0 0 0 ada4p3 ONLINE 0 0 0 ada5p3 ONLINE 0 0 0 ada6p3 ONLINE 0 0 0 ada7p3 ONLINE 0 0 0 errors: No known data errors I can collect a crash dump if it will be useful. --=20 You are receiving this mail because: You are the assignee for the bug.=
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