[Bug 232544] general protection fault while in kernel mode - vdev_indirect

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232544

            Bug ID: 232544
           Summary: general protection fault while in kernel mode -
                    vdev_indirect
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: gldisater at gmail.com

constans% uname -a
FreeBSD constans 12.0-BETA1 FreeBSD 12.0-BETA1 r339534 GENERIC  amd64


Fatal trap 9: general protection fault while in kernel mode
cpuid = 14; apic id = 34
instruction pointer     = 0x20:0xffffffff82cb48a0
stack pointer           = 0x28:0xfffffe00e336c830
frame pointer           = 0x28:0xfffffe00e336c830
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         = 0 (zio_write_intr_0)
trap number             = 9
panic: general protection fault
cpuid = 14
time = 1540226847
KDB: stack backtrace:
#0 0xffffffff80bf9a97 at kdb_backtrace+0x67
#1 0xffffffff80bada63 at vpanic+0x1a3
#2 0xffffffff80bad8b3 at panic+0x43
#3 0xffffffff8108586f at trap_fatal+0x35f
#4 0xffffffff81084cbd at trap+0x6d
#5 0xffffffff81060b65 at calltrap+0x8
#6 0xffffffff82cb3a70 at vdev_indirect_remap+0xa0
#7 0xffffffff82cb32ec at vdev_indirect_io_start+0x6c
#8 0xffffffff82ce3e79 at zio_vdev_io_start+0x2a9
#9 0xffffffff82ce02ec at zio_execute+0xbc
#10 0xffffffff82cdfbfb at zio_nowait+0xcb
#11 0xffffffff82cde23f at zil_lwb_write_done+0x13f
#12 0xffffffff82ce4f1e at zio_done+0x88e
#13 0xffffffff82ce02ec at zio_execute+0xbc
#14 0xffffffff80c0bdd4 at taskqueue_run_locked+0x154
#15 0xffffffff80c0cf38 at taskqueue_thread_loop+0x98
#16 0xffffffff80b6e4f3 at fork_exit+0x83
#17 0xffffffff81061b4e at fork_trampoline+0xe
Uptime: 1d2h16m58s

__curthread () at ./machine/pcpu.h:230
230             __asm("movq %%gs:%1,%0" : "=r" (td)
(kgdb) #0  __curthread () at ./machine/pcpu.h:230
#1  doadump (textdump=<optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:366
#2  0xffffffff80bad64b in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:446
#3  0xffffffff80badac3 in vpanic (fmt=<optimized out>, ap=0xfffffe00e336c5e0)
    at /usr/src/sys/kern/kern_shutdown.c:872
#4  0xffffffff80bad8b3 in panic (fmt=<unavailable>)
    at /usr/src/sys/kern/kern_shutdown.c:799
#5  0xffffffff8108586f in trap_fatal (frame=0xfffffe00e336c770, eva=0)
    at /usr/src/sys/amd64/amd64/trap.c:929
#6  0xffffffff81084cbd in trap (frame=0xfffffe00e336c770)
    at /usr/src/sys/amd64/amd64/trap.c:217
#7  <signal handler called>
#8  dva_mapping_overlap_compare (v_array_elem=<optimized out>,
    v_key=<optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_indirect_mapping.c:139
#9  vdev_indirect_mapping_entry_for_offset_impl (vim=<optimized out>,
    offset=0, next_if_missing=0)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_indirect_mapping.c:191
#10 vdev_indirect_mapping_entry_for_offset (vim=<optimized out>, offset=0)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_indirect_mapping.c:270
#11 0xffffffff82cb3a70 in vdev_indirect_mapping_duplicate_adjacent_entries (
    offset=0, asize=0, vd=<optimized out>, copied_entries=<optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_indirect.c:964
#12 vdev_indirect_remap (vd=0xfffff802499b5000, offset=<optimized out>,
    asize=0, func=0xffffffff82cb40a0 <vdev_indirect_gather_splits>,
    arg=0xfffff803ae71d000)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_indirect.c:1060
#13 0xffffffff82cb32ec in vdev_indirect_io_start (zio=0xfffff803ae71d000)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_indirect.c:1282
#14 0xffffffff82ce3e79 in zio_vdev_io_start (zio=0xfffff803ae71d000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:3341
#15 0xffffffff82ce02ec in zio_execute (zio=0xfffff803ae71d000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1785
#16 0xffffffff82cdfbfb in zio_nowait (zio=0xfffff803ae71d000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1841
#17 0xffffffff82cde23f in zil_lwb_write_done (zio=<optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c:1150
#18 0xffffffff82ce4f1e in zio_done (zio=<optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:4117
#19 0xffffffff82ce02ec in zio_execute (zio=0xfffff80a85caf418)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1785
#20 0xffffffff80c0bdd4 in taskqueue_run_locked (queue=0xfffff80952b72d00)
    at /usr/src/sys/kern/subr_taskqueue.c:465
#21 0xffffffff80c0cf38 in taskqueue_thread_loop (arg=<optimized out>)
    at /usr/src/sys/kern/subr_taskqueue.c:757
#22 0xffffffff80b6e4f3 in fork_exit (
    callout=0xffffffff80c0cea0 <taskqueue_thread_loop>,
    arg=0xfffff8010a8c6f50, frame=0xfffffe00e336cc00)
    at /usr/src/sys/kern/kern_fork.c:1057
#23 <signal handler called>
(kgdb)

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