2009/7/24 pluknet <pluk...@gmail.com>: > Hi. > > I got a panic while performing a repetitive 'fdisk -BI aacd0', > where aacd0 is a disk on aac0: <IBM ServeRAID-8k>. > This means that the command was issued after filesystems > were already created on aacd (after the first fdisk -BI aacd0 > iteration), and are in umount'ed state. > > This is on 7.2-R, amd64. Config is a GENERIC plus ddb, carp, ipfw, quota. > > Fatal trap 12: page fault while in kernel mode > cpuid = 5; apic id = 05 > fault virtual address = 0x20 > fault code = supervisor read data, page not present > instruction pointer = 0x8:0xffffffff804cc554 > stack pointer = 0x10:0xfffffffe80079b80 > frame pointer = 0x10:0xfffffffe80079bd0 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 2 (g_event) > [thread pid 2 tid 100013 ] > Stopped at g_mbr_config+0x64: movq 0x20(%rax),%r15 > db> bt > Tracing pid 2 tid 100013 td 0xffffff000144da50 > g_mbr_config() at g_mbr_config+0x64 > g_run_events() at g_run_events+0x1b8 > g_event_procbody() at g_event_procbody+0x57 > fork_exit() at fork_exit+0x11f > fork_trampoline() at fork_trampoline+0xe > --- trap 0, rip = 0, rsp = 0xfffffffe80079d30, rbp = 0 ---
And, of course... db> show proc 818 Process 818 (fdisk) at 0xffffff0004ed1000: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 814 at 0xffffff00045c0478 ABI: FreeBSD ELF64 arguments: fdisk threads: 1 100169 D g_waitfo 0xffffff0004ec9100 fdisk db> bt 818 Tracing pid 818 tid 100169 td 0xffffff0004fbf6e0 sched_switch() at sched_switch+0x1fe mi_switch() at mi_switch+0x18e sleepq_timedwait() at sleepq_timedwait+0x31 _sleep() at _sleep+0x354 g_waitfor_event() at g_waitfor_event+0x9a g_ctl_ioctl() at g_ctl_ioctl+0x2df giant_ioctl() at giant_ioctl+0x7d devfs_ioctl_f() at devfs_ioctl_f+0x77 kern_ioctl() at kern_ioctl+0xa2 ioctl() at ioctl+0xf9 syscall() at syscall+0x256 Xfast_syscall() at Xfast_syscall+0xab --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x8008200ec, rsp = 0x7fffffffe1d8, rbp = 0x4 --- -- wbr, pluknet _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"