Тема: дебаг
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  #27  
Старый 12.02.2019, 01:52
Sergey Anokhin
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По умолчанию Re: дебаг

Sergey Anokhin написал(а) к All в Feb 19 00:27:33 по местному времени:

кое что новое в плане дебага еще приметил:

(pts/2)[root@server:/usr/obj/usr/src/amd64.amd64/sys/SERVER]# kgdb
kernel /var/crash/vmcore.last
GNU gdb (GDB) 8.2.1 [GDB v8.2.1 for FreeBSD]
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Reading symbols from kernel...Reading symbols from
/usr/obj/usr/src/amd64.amd64/sys/SERVER/kernel.debug...done.
done.

Unread portion of the kernel message buffer:
panic: Solaris(panic): blkptr at 0xfffffe0059108980 DVA 0 has invalid
OFFSET 72057594038013952
cpuid = 2
time = 1549919776
KDB: stack backtrace:
#0 0xffffffff80c531c7 at kdb_backtrace+0x67
#1 0xffffffff80c07143 at vpanic+0x1a3
#2 0xffffffff80c06f93 at panic+0x43
#3 0xffffffff826d418f at vcmn_err+0xcf
#4 0xffffffff827849ca at zfspanicrecover+0x5a
#5 0xffffffff827c0223 at zfsblkptrverify+0x303
#6 0xffffffff827c030c at zio_read+0x2c
#7 0xffffffff8270cc54 at arc_read+0x704
#8 0xffffffff827195ed at dbuf_read+0x72d
#9 0xffffffff8271d16f at _dbuf_holdimpl+0x57f
#10 0xffffffff8271d37f at dbuf_hold+0x7f
#11 0xffffffff827240ec at dmubuf_hold_noread_bydnode+0x3c
#12 0xffffffff827242ac at dmubuf_hold_bydnode+0x1c
#13 0xffffffff827a69cd at zapget_leafbyblk+0x4d
#14 0xffffffff827a404f at fzap_lookup+0xcf
#15 0xffffffff827aac67 at zaplookupimpl+0x117
#16 0xffffffff827aaad5 at zaplookupnorm+0xa5
#17 0xffffffff827aaa21 at zap_lookup+0x11
Uptime: 2h5m13s
Dumping 1087 out of 8077
MB:..2%..11%..21%..31%..42%..51%..61%..71%..81%..92%

curthread () at ./machine/pcpu.h:230
230 asm("movq %%gs:%P1,%0" : "=r" (td) : "n"
(OFFSETOF_CURTНREAD));
(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=0xfffffe0068148e10) 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 0xffffffff826d418f in vcmn_err (ce=<optimized out>,
fmt=0xffffffff82878f37 "blkptr at %p DVA %u has invalid OFFSET %llu",
adx=0xfffffe0068148fa0)
at /usr/src/sys/cddl/compat/opensolaris/kern/opensolariscmnerr.c:58
#6 0xffffffff827849ca in zfspanicrecover (fmt=<unavailable>) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c:1653
#7 0xffffffff827c0223 in zfsblkptrverify (spa=0xfffffe004fdba000,
bp=0xfffffe0059108980)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:835
#8 0xffffffff827c030c in zio_read (pio=0xfffff8015aeda830,
spa=0xfffffe004fdba000, bp=0xfffffe0059108980, data=0xfffff8020ac939c0,
size=16384,
done=0xffffffff8270ddd0 <arcreaddone>,
private=0xfffff8013c686700, priority=ZIOPRIORITY_SYNCREAD,
flags=ZIOFLAGCANFAIL, zb=0xfffffe0068149120)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:879
#9 0xffffffff8270cc54 in arc_read (pio=0xfffff8015aeda830,
spa=0xfffffe004fdba000, bp=0xfffffe0059108980, done=0xfffff8002f39fbc0,
private=0xfffff8011bff2580, priority=ZIOPRIORITY_SYNCREAD,
zioflags=128, arcflags=0xfffffe0068149164, zb=0xfffffe0068149120)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:6080
#10 0xffffffff827195ed in dbufreadimpl (db=<optimized out>,
flags=<optimized out>, zio=<optimized out>)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1310
#11 dbuf_read (db=0xfffff8002f5c0960, zio=0xfffff8015aeda830,
flags=<optimized out>) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1435
#12 0xffffffff8271d16f in dbuf_findbp (dn=<optimized out>,
level=<optimized out>, blkid=10632, fail_sparse=<optimized out>,
parentp=0xfffff801ad8ac038,
bpp=<optimized out>, dh=0xfffff801ad8ac000) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:2506
#13 _dbuf_holdimpl (dh=0xfffff801ad8ac000) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:2931
#14 0xffffffff8271d37f in dbufholdimpl (dn=0xfffff8018ab6e000, level=0
'\000', blkid=10632, failsparse=0, failuncached=0, tag=0x0, dbp=0x0)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:3032
#15 dbufholdlevel (dn=0xfffff8018ab6e000, level=0, blkid=10632,
tag=0x0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:3075
#16 dbuf_hold (dn=0xfffff8018ab6e000, blkid=10632, tag=0x0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c:3068
#17 0xffffffff827240ec in dmubuf_hold_noread_bydnode
(dn=0xfffff8018ab6e000, offset=<optimized out>, tag=<unavailable>,
dbp=0xfffffe00681492c8)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c:160
#18 0xffffffff827242ac in dmubuf_hold_bydnode (dn=<unavailable>,
offset=<unavailable>, tag=0x0, dbp=0xfffffe00681492c8, flags=1)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c:208
#19 0xffffffff827a69cd in zapget_leafbyblk (zap=0xfffff80111de9200,
blkid=10632, tx=0x0, lt=RW_READER, lp=0xfffffe0068149340)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap.c:498
#20 0xffffffff827a404f in zapderefleaf (zap=0xfffff80111de9200,
h=<optimized out>, tx=<unavailable>, lt=RW_READER, lp=0xfffffe00681493e0)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap.c:580
#21 fzaplookup (zn=0xfffff8011ce98200, integer_size=8, numintegers=1,
buf=0xfffffe0068149490, realname=0x0, rn_len=0, ncp=0x0)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap.c:761
#22 0xffffffff827aac67 in zaplookupimpl (zap=0xfffff80111de9200,
name=<optimized out>, integersize=8, numintegers=1,
buf=0xfffffe0068149490,
mt=<optimized out>, realname=0x0, rn_len=0, ncp=0x0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c:915
#23 0xffffffff827aaad5 in zaplookupnorm (os=<optimized out>,
zapobj=<optimized out>, name=<optimized out>, integer_size=8,
num_integers=1,
buf=0xfffffe0068149490, mt=(unknown: 0), realname=0x0, rn_len=0,
ncp=0x0) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c:954
#24 0xffffffff827aaa21 in zap_lookup (os=<unavailable>,
zapobj=<unavailable>, name=<unavailable>, integer_size=<unavailable>,
num_integers=<unavailable>,
buf=<unavailable>) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c:898
#25 0xffffffff827d41f9 in zfsmatchfind (zfsvfs=<optimized out>,
dzp=<optimized out>, name=<optimized out>, mt=<optimized out>,
zoid=<optimized out>)
at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c:81
#26 zfsdirentlookup (dzp=0xfffff8003812a110, name=0xfffffe0068149610
"0_NCiНyz6S.xml", zpp=0xfffffe00681494d8, flag=2)
--Type <RET> for more, q to quit, c to continue without paging--RET
at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c:177
#27 0xffffffff827d42e7 in zfs_dirlook (dzp=0xfffff8003812a110,
name=<unavailable>, zpp=0xfffffe0068149590)
at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c:238
#28 0xffffffff827edacf in zfs_lookup (dvp=<optimized out>, nm=<optimized
out>, vpp=<optimized out>, cnp=<optimized out>, nameiop=<optimized out>,
cr=<optimized out>, td=<optimized out>, flags=<optimized out>) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1658
#29 0xffffffff827ee1fe in zfsfreebsdlookup (ap=0xfffffe0068149778) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:4960
#30 0xffffffff81314ba8 in VOPCACНEDLOOKUPAPV (vop=<optimized out>,
a=0xfffffe0068149778) at vnode_if.c:195
#31 0xffffffff80cc0846 in VOP_CACНEDLOOKUP (dvp=<optimized out>,
vpp=<optimized out>, cnp=<optimized out>) at ./vnode_if.h:80
#32 vfscachelookup (ap=<optimized out>) at
/usr/src/sys/kern/vfs_cache.c:2109
#33 0xffffffff81314a78 in VOPLOOKUPAPV (vop=<optimized out>,
a=0xfffffe0068149840) at vnode_if.c:127
#34 0xffffffff80cc9fa1 in VOP_LOOKUP (vpp=0xfffffe00681499d8,
cnp=0xfffffe0068149a00, dvp=<optimized out>) at ./vnode_if.h:54
#35 lookup (ndp=0xfffffe0068149978) at /usr/src/sys/kern/vfs_lookup.c:879
#36 0xffffffff80cc948b in namei (ndp=0xfffffe0068149978) at
/usr/src/sys/kern/vfs_lookup.c:444
#37 0xffffffff80ce06a6 in kern_accessat (td=<optimized out>, fd=-100,
path=<optimized out>, pathseg=<optimized out>, flag=<optimized out>,
amode=0)
at /usr/src/sys/kern/vfs_syscalls.c:1986
#38 0xffffffff8118e592 in syscallenter (td=<optimized out>) at
/usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135
#39 amd64_syscall (td=0xfffff8011bff2580, traced=0) at
/usr/src/sys/amd64/amd64/trap.c:1154
#40 <signal handler called>
#41 0x00000008003e703a in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffd628
(kgdb)
--- Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Thunderbird/60.5.0
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