https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236357
Bug ID: 236357
Summary: [zfs] kenrel panic
Product: Base System
Version: 12.0-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: ad...@5034.ru
Hi All,
12.0-STABLE FreeBSD 12.0-STABLE #2 r343904M
After 19 days online I've got strange crash:
# kgdb /boot/kernel/kernel /var/crash/vmcore.last
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Reading symbols from /boot/kernel/kernel...Reading symbols from
/usr/lib/debug//boot/kernel/kernel.debug...done.
done.
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0xfffff80282bf3401
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff826f26e0
stack pointer = 0x28:0xfffffe006475d320
frame pointer = 0x28:0xfffffe006475d320
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 = 37083 (syslogd)
trap number = 12
panic: page fault
cpuid = 1
time = 1551808983
KDB: stack backtrace:
#0 0xffffffff80c531c7 at kdb_backtrace+0x67
#1 0xffffffff80c07143 at vpanic+0x1a3
#2 0xffffffff80c06f93 at panic+0x43
#3 0xffffffff8118d9ff at trap_fatal+0x35f
#4 0xffffffff8118da59 at trap_pfault+0x49
#5 0xffffffff8118d07e at trap+0x29e
#6 0xffffffff81168af5 at calltrap+0x8
#7 0xffffffff827bb83a at zil_itx_assign+0x3da
#8 0xffffffff827e4b99 at zfs_log_write+0x2d9
#9 0xffffffff827f2338 at zfs_freebsd_write+0xbc8
#10 0xffffffff81315acf at VOP_WRITE_APV+0xff
#11 0xffffffff80ce98fe at vn_write+0x1ee
#12 0xffffffff80ce9443 at vn_io_fault_doio+0x43
#13 0xffffffff80ce72da at vn_io_fault1+0x16a
#14 0xffffffff80ce54b5 at vn_io_fault+0x195
#15 0xffffffff80c70232 at dofilewrite+0xb2
#16 0xffffffff80c70130 at sys_writev+0x70
#17 0xffffffff8118e592 at amd64_syscall+0x352
Uptime: 19d17h37m19s
Dumping 1611 out of 8077 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
__curthread () at ./machine/pcpu.h:230
230 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n"
(OFFSETOF_CURTHREAD));
(kgdb) bt
#0 __curthread () at ./machine/pcpu.h:230
#1 doadump (textdump=<optimized out>) at
/usr/src/sys/kern/kern_shutdown.c:366
#2 0xffffffff80c06d2b in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:446
#3 0xffffffff80c071a3 in vpanic (fmt=<optimized out>, ap=0xfffffe006475d070)
at /usr/src/sys/kern/kern_shutdown.c:872
#4 0xffffffff80c06f93 in panic (fmt=<unavailable>) at
/usr/src/sys/kern/kern_shutdown.c:799
#5 0xffffffff8118d9ff in trap_fatal (frame=0xfffffe006475d260,
eva=18446735288400032769) at /usr/src/sys/amd64/amd64/trap.c:929
#6 0xffffffff8118da59 in trap_pfault (frame=0xfffffe006475d260, usermode=0)
at /usr/src/sys/amd64/amd64/trap.c:765
#7 0xffffffff8118d07e in trap (frame=0xfffffe006475d260) at
/usr/src/sys/amd64/amd64/trap.c:441
#8 <signal handler called>
#9 0xffffffff826f26e0 in list_insert_tail (list=0xfffff80048db44c8,
object=0xfffff80182bf3400) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/os/list.c:121
#10 0xffffffff827bb83a in zil_itx_assign (zilog=0xfffff8001f588c00,
itx=0xfffff80182bf3400, tx=0xfffff8004d651e00)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c:1737
#11 0xffffffff827e4b99 in zfs_log_write (zilog=0xfffff8001f588c00,
tx=0xfffff8004d651e00, txtype=365662, zp=0xfffff80224bbd440, off=365662,
resid=91, ioflag=8)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c:525
#12 0xffffffff827f2338 in zfs_write (vp=<optimized out>, uio=<optimized out>,
ioflag=<optimized out>, cr=<optimized out>, ct=<optimized out>)
at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1203
#13 zfs_freebsd_write (ap=<optimized out>) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:4898
#14 0xffffffff81315acf in VOP_WRITE_APV (vop=<optimized out>,
a=0xfffffe006475d788) at vnode_if.c:1000
#15 0xffffffff80ce98fe in VOP_WRITE (vp=<optimized out>, uio=<optimized out>,
cred=<optimized out>, ioflag=<optimized out>) at ./vnode_if.h:413
#16 vn_write (fp=<optimized out>, uio=<optimized out>, active_cred=0x5945e,
flags=<optimized out>, td=<optimized out>) at /usr/src/sys/kern/vfs_vnops.c:881
#17 0xffffffff80ce9443 in vn_io_fault_doio (args=0xfffffe006475d9b0,
uio=0xfffff8002ab5bd00, td=0xfffff8007c685000) at
/usr/src/sys/kern/vfs_vnops.c:946
#18 0xffffffff80ce72da in vn_io_fault1 (vp=<optimized out>, uio=<optimized
out>, args=<optimized out>, td=<optimized out>) at
/usr/src/sys/kern/vfs_vnops.c:1064
#19 0xffffffff80ce54b5 in vn_io_fault (fp=<optimized out>,
uio=0xfffff8004ebef188, active_cred=0xfffff80021a684b0, flags=<optimized out>,
td=<optimized out>)
at /usr/src/sys/kern/vfs_vnops.c:1168
#20 0xffffffff80c70232 in fo_write (fp=<optimized out>, uio=<optimized out>,
active_cred=0xfffff80282bf3401, flags=<optimized out>, td=<optimized out>)
at /usr/src/sys/sys/file.h:314
#21 dofilewrite (td=0x0, fd=34, fp=0xfffff801a82000f0,
auio=0xfffff8002ab5bd00, offset=<optimized out>, flags=<optimized out>) at
/usr/src/sys/kern/sys_generic.c:567
#22 0xffffffff80c70130 in kern_writev (td=0xfffff8007c685000, fd=34,
auio=0xfffff8002ab5bd00) at /usr/src/sys/kern/sys_generic.c:491
#23 sys_writev (td=0xfffff8007c685000, uap=0xfffff8007c6853c0) at
/usr/src/sys/kern/sys_generic.c:477
#24 0xffffffff8118e592 in syscallenter (td=<optimized out>) at
/usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135
#25 amd64_syscall (td=0xfffff8007c685000, traced=0) at
/usr/src/sys/amd64/amd64/trap.c:1154
#26 <signal handler called>
#27 0x00000008004122ca in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffc378
(kgdb) frame 9
#9 0xffffffff826f26e0 in list_insert_tail (list=0xfffff80048db44c8,
object=0xfffff80182bf3400) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/os/list.c:121
121 list_insert_before_node(list, lold, object);
(kgdb) frame 10
#10 0xffffffff827bb83a in zil_itx_assign (zilog=0xfffff8001f588c00,
itx=0xfffff80182bf3400, tx=0xfffff8004d651e00)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c:1737
1737 list_insert_tail(&ian->ia_list, itx);
(kgdb) frame 11
#11 0xffffffff827e4b99 in zfs_log_write (zilog=0xfffff8001f588c00,
tx=0xfffff8004d651e00, txtype=365662, zp=0xfffff80224bbd440, off=365662,
resid=91, ioflag=8)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c:525
525 zil_itx_assign(zilog, itx, tx);
(kgdb) frame 12
#12 0xffffffff827f2338 in zfs_write (vp=<optimized out>, uio=<optimized out>,
ioflag=<optimized out>, cr=<optimized out>, ct=<optimized out>)
at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1203
1203 zfs_log_write(zilog, tx, TX_WRITE, zp, woff, tx_bytes,
ioflag);
(kgdb) frame 13
#13 zfs_freebsd_write (ap=<optimized out>) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:4898
4898 return (zfs_write(ap->a_vp, ap->a_uio, ioflags(ap->a_ioflag),
(kgdb) frame 14
#14 0xffffffff81315acf in VOP_WRITE_APV (vop=<optimized out>,
a=0xfffffe006475d788) at vnode_if.c:1000
1000 rc = vop->vop_write(a);
(kgdb) frame 15
#15 0xffffffff80ce98fe in VOP_WRITE (vp=<optimized out>, uio=<optimized out>,
cred=<optimized out>, ioflag=<optimized out>) at ./vnode_if.h:413
413 return (VOP_WRITE_APV(vp->v_op, &a));
(kgdb) frame 16
#16 vn_write (fp=<optimized out>, uio=<optimized out>, active_cred=0x5945e,
flags=<optimized out>, td=<optimized out>) at /usr/src/sys/kern/vfs_vnops.c:881
881 error = VOP_WRITE(vp, uio, ioflag, fp->f_cred);
(kgdb) frame 17
#17 0xffffffff80ce9443 in vn_io_fault_doio (args=0xfffffe006475d9b0,
uio=0xfffff8002ab5bd00, td=0xfffff8007c685000) at
/usr/src/sys/kern/vfs_vnops.c:946
946 error =
(args->args.fop_args.doio)(args->args.fop_args.fp,
(kgdb) frame 18
#18 0xffffffff80ce72da in vn_io_fault1 (vp=<optimized out>, uio=<optimized
out>, args=<optimized out>, td=<optimized out>) at
/usr/src/sys/kern/vfs_vnops.c:1064
1064 error = vn_io_fault_doio(args, uio, td);
(kgdb) frame 19
#19 0xffffffff80ce54b5 in vn_io_fault (fp=<optimized out>,
uio=0xfffff8004ebef188, active_cred=0xfffff80021a684b0, flags=<optimized out>,
td=<optimized out>)
at /usr/src/sys/kern/vfs_vnops.c:1168
1168 error = vn_io_fault1(vp, uio, &args, td);
(kgdb) frame 20
#20 0xffffffff80c70232 in fo_write (fp=<optimized out>, uio=<optimized out>,
active_cred=0xfffff80282bf3401, flags=<optimized out>, td=<optimized out>)
at /usr/src/sys/sys/file.h:314
314 return ((*fp->f_ops->fo_write)(fp, uio, active_cred, flags,
td));
(kgdb) frame 21
#21 dofilewrite (td=0x0, fd=34, fp=0xfffff801a82000f0,
auio=0xfffff8002ab5bd00, offset=<optimized out>, flags=<optimized out>) at
/usr/src/sys/kern/sys_generic.c:567
567 if ((error = fo_write(fp, auio, td->td_ucred, flags, td))) {
(kgdb) frame 22
#22 0xffffffff80c70130 in kern_writev (td=0xfffff8007c685000, fd=34,
auio=0xfffff8002ab5bd00) at /usr/src/sys/kern/sys_generic.c:491
491 error = dofilewrite(td, fd, fp, auio, (off_t)-1, 0);
(kgdb)
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