Date: Tue, 15 Dec 2020 16:39:01 -0500 From: mike tancsa <mike@sentex.net> To: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: zfs panic RELENG_12 Message-ID: <878824fe-dde2-b551-4685-e8bd27371275@sentex.net>
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Was doing a backup via zfs send | zfs recv when the box panic'd.=C2=A0 It=
s a
not so old RELENG_12 box from last week. Any ideas if this is a hardware
issue or a bug ? Its r368493 from last Wednesday. I dont see an ECC
errors logged, so dont think its hardware.
Reading symbols from /boot/kernel/kernel...
Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug...
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address=C2=A0=C2=A0 =3D 0x0
fault code=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 =3D supervisor read data, page not present
instruction pointer=C2=A0=C2=A0=C2=A0=C2=A0 =3D 0x20:0xffffffff823a554b
stack pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=3D 0x28:0xfffffe0343231000
frame pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=3D 0x28:0xfffffe03432310c0
code segment=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 =3D base 0x0, limit 0xfffff, type 0x1b
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D DPL 0=
, pres 1, long 1, def32 0, gran 1
processor eflags=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D interrupt =
enabled, resume, IOPL =3D 0
current process=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D 87427=
(zfs)
trap number=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 =3D 12
panic: page fault
cpuid =3D 1
time =3D 1608065221
KDB: stack backtrace:
#0 0xffffffff80a3fa05 at kdb_backtrace+0x65
#1 0xffffffff809f3beb at vpanic+0x17b
#2 0xffffffff809f3a63 at panic+0x43
#3 0xffffffff80e400d1 at trap_fatal+0x391
#4 0xffffffff80e4012f at trap_pfault+0x4f
#5 0xffffffff80e3f776 at trap+0x286
#6 0xffffffff80e19568 at calltrap+0x8
#7 0xffffffff82393a5e at dmu_object_info+0x1e
#8 0xffffffff823983a5 at dmu_recv_stream+0x7b5
#9 0xffffffff8244b706 at zfs_ioc_recv+0xac6
#10 0xffffffff8244dd3d at zfsdev_ioctl+0x62d
#11 0xffffffff808a35e0 at devfs_ioctl+0xb0
#12 0xffffffff80f3becb at VOP_IOCTL_APV+0x7b
#13 0xffffffff80ad1b0a at vn_ioctl+0x16a
#14 0xffffffff808a3bce at devfs_ioctl_f+0x1e
#15 0xffffffff80a5d807 at kern_ioctl+0x2b7
#16 0xffffffff80a5d4aa at sys_ioctl+0xfa
#17 0xffffffff80e40c87 at amd64_syscall+0x387
Uptime: 3d14h59m52s
Dumping 17213 out of 65366
MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n"
(offsetof(struct pcpu,
(kgdb) #0=C2=A0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:5=
5
#1=C2=A0 doadump (textdump=3D<optimized out>)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/kern/kern_shutdown.c:371
#2=C2=A0 0xffffffff809f3805 in kern_reboot (howto=3D260)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/kern/kern_shutdown.c:451
#3=C2=A0 0xffffffff809f3c43 in vpanic (fmt=3D<optimized out>, ap=3D<optim=
ized out>)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/kern/kern_shutdown.c:880
#4=C2=A0 0xffffffff809f3a63 in panic (fmt=3D<unavailable>)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/kern/kern_shutdown.c:807
#5=C2=A0 0xffffffff80e400d1 in trap_fatal (frame=3D0xfffffe0343230f40, ev=
a=3D0)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/amd64/amd64/trap.c:921
#6=C2=A0 0xffffffff80e4012f in trap_pfault (frame=3D0xfffffe0343230f40,
=C2=A0=C2=A0=C2=A0 usermode=3D<optimized out>, signo=3D<optimized out>, u=
code=3D<optimized out>)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/amd64/amd64/trap.c:739
#7=C2=A0 0xffffffff80e3f776 in trap (frame=3D0xfffffe0343230f40)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/amd64/amd64/trap.c:405
#8=C2=A0 <signal handler called>
#9=C2=A0 0xffffffff823a554b in dnode_hold_impl (os=3D0xfffff805e1d2b800,
=C2=A0=C2=A0=C2=A0 object=3D<optimized out>, flag=3D<optimized out>, slot=
s=3D<optimized out>,
=C2=A0=C2=A0=C2=A0 tag=3D<optimized out>, dnp=3D0xfffffe03432310d8)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs=
/zfs/dnode.c:1370
#10 0xffffffff82393a5e in dmu_object_info (os=3D0xfffff80777890070,
=C2=A0=C2=A0=C2=A0 object=3D18446744071600721588, doi=3D0xfffffe03432312e=
0)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs=
/zfs/dmu.c:2615
#11 0xffffffff823983a5 in receive_read_record (ra=3D<optimized out>)
=C2=A0=C2=A0=C2=A0 at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c:2821
#12 dmu_recv_stream (drc=3D0xfffffe0343231430, fp=3D<optimized out>,
=C2=A0=C2=A0=C2=A0 voffp=3D<optimized out>, cleanup_fd=3D8, action_handle=
p=3D<optimized out>)
=C2=A0=C2=A0=C2=A0 at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c:3203
#13 0xffffffff8244b706 in zfs_ioc_recv (zc=3D<optimized out>)
=C2=A0=C2=A0=C2=A0 at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c:4745
#14 0xffffffff8244dd3d in zfsdev_ioctl (dev=3D<optimized out>,
=C2=A0=C2=A0=C2=A0 zcmd=3D<optimized out>, arg=3D<optimized out>, flag=3D=
<optimized out>,
=C2=A0=C2=A0=C2=A0 td=3D<optimized out>)
=C2=A0=C2=A0=C2=A0 at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c:6956
#15 0xffffffff808a35e0 in devfs_ioctl (ap=3D0xfffffe0343231778)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/fs/devfs/devfs_vnops.c:797
#16 0xffffffff80f3becb in VOP_IOCTL_APV (
=C2=A0=C2=A0=C2=A0 vop=3D0xffffffff816a2fe0 <devfs_specops>, a=3D0xfffffe=
0343231778)
=C2=A0=C2=A0=C2=A0 at vnode_if.c:1067
#17 0xffffffff80ad1b0a in vn_ioctl (fp=3D0xfffff8001802b5a0,
=C2=A0=C2=A0=C2=A0 com=3D<optimized out>, data=3D0xfffffe0343231910,
=C2=A0=C2=A0=C2=A0 active_cred=3D0xfffff80032214300, td=3D0x20700000)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/kern/vfs_vnops.c:1508
#18 0xffffffff808a3bce in devfs_ioctl_f (fp=3D0xfffff80777890070,
=C2=A0=C2=A0=C2=A0 com=3D18446744071600721588, data=3D0xffffffff824e34ed =
<.L.str+1>, cred=3D0x0,
=C2=A0=C2=A0=C2=A0 td=3D0xfffff80298850000) at /usr/src/sys/fs/devfs/devf=
s_vnops.c:755
#19 0xffffffff80a5d807 in fo_ioctl (fp=3D0xfffff8001802b5a0, com=3D322282=
1403,
=C2=A0=C2=A0=C2=A0 data=3D0xffffffff824e34ed <.L.str+1>, active_cred=3D0x=
0,
=C2=A0=C2=A0=C2=A0 td=3D0xfffff80298850000) at /usr/src/sys/sys/file.h:33=
7
#20 kern_ioctl (td=3D0x20700000, fd=3D<optimized out>, com=3D3222821403,
=C2=A0=C2=A0=C2=A0 data=3D0xffffffff824e34ed <.L.str+1> "zrl->zr_mtx")
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/kern/sys_generic.c:805
#21 0xffffffff80a5d4aa in sys_ioctl (td=3D0xfffff80298850000,
=C2=A0=C2=A0=C2=A0 uap=3D0xfffff802988503c0) at /usr/src/sys/kern/sys_gen=
eric.c:713
#22 0xffffffff80e40c87 in syscallenter (td=3D0xfffff80298850000)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:=
144
#23 amd64_syscall (td=3D0xfffff80298850000, traced=3D0)
=C2=A0=C2=A0=C2=A0 at /usr/src/sys/amd64/amd64/trap.c:1163
#24 <signal handler called>
#25 0x00000008004a8cba in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffa988
(kgdb)
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