Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 11 fault virtual address = 0xffffff81b2f59000 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff808538f6 stack pointer = 0x28:0xffffff83997a4a80 frame pointer = 0x28:0xffffff83997a4b00 code segment = base rx0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (spa_zio) db:0:kdb.enter.default> bt Tracing pid 0 tid 100156 td 0xffffff000cc63000 bcopy() at bcopy+0x16 vdev_queue_io_done() at vdev_queue_io_done+0x99 zio_vdev_io_done() at zio_vdev_io_done+0xd0 zio_execute() at zio_execute+0x70 taskq_run() at taskq_run+0x13 taskqueue_run() at taskqueue_run+0xeb taskqueue_thread_loop() at taskqueue_thread_loop+0x50 fork_exit() at fork_exit+0x147 fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffff83997a4d30, rbp = 0 --- How-To-Repeat: Unknown. Started after adding more disks to "tank".
Responsible Changed From-To: freebsd-bugs->freebsd-fs Over to maintainer(s).
State Changed From-To: open->feedback Could you verify if the following patch fixes the problem: http://people.freebsd.org/~pjd/patches/vdev_geom.c.3.patch
Responsible Changed From-To: freebsd-fs->pjd I'll take this one.
For bugs matching the following criteria: Status: In Progress Changed: (is less than) 2014-06-01 Reset to default assignee and clear in-progress tags. Mail being skipped