Date: Mon, 13 Jan 2014 06:47:29 GMT From: R Tyler Croy <tyler@monkeypox.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/185734: panic on stable/10 when writing to ZFS disk Message-ID: <201401130647.s0D6lT4u013482@oldred.freebsd.org> Resent-Message-ID: <201401130650.s0D6o0Kn028136@freefall.freebsd.org>
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>Number: 185734 >Category: kern >Synopsis: panic on stable/10 when writing to ZFS disk >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jan 13 06:50:00 UTC 2014 >Closed-Date: >Last-Modified: >Originator: R Tyler Croy >Release: 10.0-PRERELEASE (r260356) >Organization: >Environment: FreeBSD kiwi 10.0-PRERELEASE FreeBSD 10.0-PRERELEASE #2 209885b(stable/10): Sun Jan 5 20:38:07 PST 2014 root@kiwi:/usr/home/tyler/scratch/obj/usr/home/tyler/source/github/freebsd/sys/KIWI amd64 >Description: Was attempting to pull a big update from the FreeBSD git mirror, which usually downloads large-ish pack files and writes them to disk. After fetching the object files, and attempting to write them to my encrypted ZFS-based disk, the machine panicked as you can see below. Jan 12 22:24:43 kiwi dhclient[36674]: send_packet: Network is down Jan 12 22:25:09 kiwi last message repeated 3 times Jan 12 22:25:33 kiwi last message repeated 2 times Jan 12 22:30:55 kiwi syslogd: kernel boot file is /boot/kernel/kernel Jan 12 22:30:55 kiwi kernel: Jan 12 22:30:55 kiwi kernel: Jan 12 22:30:55 kiwi kernel: Fatal trap 12: page fault while in kernel mode Jan 12 22:30:55 kiwi kernel: cpuid = 1; apic id = 01 Jan 12 22:30:55 kiwi kernel: fault virtual address = 0x34f80125 Jan 12 22:30:55 kiwi kernel: fault code = supervisor write data, page not present Jan 12 22:30:55 kiwi kernel: instruction pointer = 0x20:0xffffffff80685341 Jan 12 22:30:55 kiwi kernel: stack pointer = 0x28:0xfffffe0234f888e0 Jan 12 22:30:55 kiwi kernel: frame pointer = 0x28:0xfffffe0234f889b0 Jan 12 22:30:55 kiwi kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Jan 12 22:30:55 kiwi kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 Jan 12 22:30:55 kiwi kernel: processor eflags = interrupt enabled, resume, IOPL = 0 Jan 12 22:30:55 kiwi kernel: current process = 22137 (git) Jan 12 22:30:55 kiwi kernel: trap number = 12 Jan 12 22:30:55 kiwi kernel: panic: page fault Jan 12 22:30:55 kiwi kernel: cpuid = 1 Jan 12 22:30:55 kiwi kernel: KDB: stack backtrace: Jan 12 22:30:55 kiwi kernel: #0 0xffffffff8066c750 at kdb_backtrace+0x60 Jan 12 22:30:55 kiwi kernel: #1 0xffffffff806341a5 at panic+0x155 Jan 12 22:30:55 kiwi kernel: #2 0xffffffff808cf752 at trap_fatal+0x3a2 Jan 12 22:30:55 kiwi kernel: #3 0xffffffff808cfa29 at trap_pfault+0x2c9 Jan 12 22:30:55 kiwi kernel: #4 0xffffffff808cf1b6 at trap+0x5e6 Jan 12 22:30:55 kiwi kernel: #5 0xffffffff808b6452 at calltrap+0x8 Jan 12 22:30:55 kiwi kernel: #6 0xffffffff8068231a at dofilewrite+0x8a Jan 12 22:30:55 kiwi kernel: #7 0xffffffff80682045 at kern_writev+0x65 Jan 12 22:30:55 kiwi kernel: #8 0xffffffff80681fd3 at sys_write+0x63 Jan 12 22:30:55 kiwi kernel: #9 0xffffffff808d0047 at amd64_syscall+0x357 Jan 12 22:30:55 kiwi kernel: #10 0xffffffff808b673b at Xfast_syscall+0xfb Jan 12 22:30:55 kiwi kernel: Uptime: 5d2h27m4s Jan 12 22:30:55 kiwi kernel: Automatic reboot in 15 seconds - press a key on the console to abort Jan 12 22:30:55 kiwi kernel: Rebooting... Jan 12 22:30:55 kiwi kernel: cpu_reset: Restarting BSP Jan 12 22:30:55 kiwi kernel: cpu_reset_proxy: Stopped CPU 1 >How-To-Repeat: Unable to reproduce unfortunately :( >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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