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Description
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SunOS Internal Development: gk 2007-11-15 [onnv-gate]
bfu'ed from /ws/onnv-gate/archives/i386/nightly on 2007-11-15
Our functional test cases
/opt/SUNWstc-zfs/tests/functional/cli_root/zfs_rollback/zfs_rollback_001_pos
hit this assertion failed.
# mdb 1
Loading modules: [ unix genunix specfs cpu.generic cpu_ms.AuthenticAMD.15 uppc pcplusmp scsi_vhci ufs mpt ip hook neti sctp arp usba uhci s1394 qlc fctl nca lofs zfs random ]
> ::status
debugging crash dump vmcore.1 (64-bit) from gears
operating system: 5.11 onnv-gate:2007-11-15 (i86pc)
panic message:
assertion failed: used >= 0 || dd->dd_used_bytes >= -used, file: ../../common/fs
/zfs/dsl_dir.c, line: 904
dump content: kernel pages only
> ::stack
vpanic()
assfail+0x7e(fffffffff8032db8, fffffffff80334d8, 388)
dsl_dir_diduse_space+0x12f(ffffff01c082a400, fffffffff6a00400, 0, 0,ffffff01be538740)
dsl_dataset_set_reservation_sync+0xbe(ffffff01c0828900, ffffff000743d938, ffffff01b922c758, ffffff01be538740)
dsl_dataset_destroy_sync+0xdf(ffffff01c0828900, ffffff01b95012f8, ffffff01b922c758, ffffff01be538740)
dsl_sync_task_group_sync+0xfc(ffffff01bc2a1000, ffffff01be538740)
dsl_pool_sync+0xfc(ffffff01bc99edc0, 148)
spa_sync+0x218(ffffff01b83ce080, 148)
txg_sync_thread+0x221(ffffff01bc99edc0)
thread_start+8()
> ::ps
S PID PPID PGID SID UID FLAGS ADDR NAME
R 0 0 0 0 0 0x00000001 fffffffffbc251f0 sched
R 3 0 0 0 0 0x00020001 ffffff01bb99f3a8 fsflush
R 2 0 0 0 0 0x00020001 ffffff01bb99b3a8 pageout
R 1 0 0 0 0 0x4a004000 ffffff01bb9993a8 init
R 100047 1 100046 100046 0 0x42020000 ffffff01bdeb53a8 dhcpagent
R 100006 1 100006 100006 0 0x42000000 ffffff01bc59b3a8 svc.configd
R 100004 1 100004 100004 0 0x42000000 ffffff01bc4cf3a8 svc.startd
R 100058 100004 100004 100004 0 0x4a004000 ffffff01c089b3a8 devices-local
R 100093 100058 100004 100004 0 0x4a004000 ffffff01c1db73a8 zfs
> ffffff01c1db73a8::walk thread | ::threadlist -v
ADDR PROC LWP CLS PRI WCHAN
ffffff01bcc501a0 ffffff01c1db73a8 ffffff01bc12d170 1 58 ffffff01bc99eed2
PC: _resume_from_idle+0xf1 CMD: /usr/sbin/zfs volinit
stack pointer for thread ffffff01bcc501a0: ffffff000744aa30
[ ffffff000744aa30 _resume_from_idle+0xf1() ]
swtch+0x221()
cv_wait+0x73()
txg_wait_synced+0x111()
dsl_sync_task_group_wait+0x102()
dsl_dataset_destroy+0x248()
dmu_objset_destroy+0x5e()
zfs_ioc_destroy+0x42()
zfsdev_ioctl+0x12e()
cdev_ioctl+0x48()
spec_ioctl+0x86()
fop_ioctl+0x7b()
ioctl+0x174()
sys_syscall32+0x1fc()
Core files: /net/zion.eng/export/dumps/forrest/<bugid>
I could easily reproduce it on x86, onnv-2007-11-15
during zfs_rollback_001_pos,
the last living operation is destroy a volumn caused this issue.
it also hit this same panic after bootup, so I have to remove /etc/zfs/zpool.cache
Copy the crashdump to
/net/zion.eng/export/dumps/robin/<bug id>/*.8
panic[cpu0]/thread=e2841de0: assertion failed: used >= 0 || dd->dd_used_bytes >= -used, file: ../../common/fs/zfs/dsl_dir.c, line: 904
e2841a7c genunix:assfail+5a (f9acf760, f9acfe0c,)
e2841ad4 zfs:dsl_dir_diduse_space+176 (d5e7a400, f6a00400,)
e2841b38 zfs:dsl_dataset_set_reservation_sync+ea (d5c9fc00, e2841b78,)
e2841c78 zfs:dsl_dataset_destroy_sync+e1 (d5c9fc00, e3d367d0,)
e2841cb0 zfs:dsl_sync_task_group_sync+ec (d527fc80, e42702d8)
e2841cfc zfs:dsl_pool_sync+f9 (dd512380, 48, 0)
e2841d6c zfs:spa_sync+24a (d9f9fec0, 48, 0)
e2841dc8 zfs:txg_sync_thread+25a (dd512380, 0)
e2841dd8 unix:thread_start+8 ()
[0]> ::ptree
fec1e7d0 sched
ca4b7398 fsflush
ca4b7c30 pageout
ca4b84c8 init
d2d7e040 nfsd
d615a038 mountd
d2d81c68 ypbind
d2d82500 devfsadm
d5aee3c0 lockd
d5aedb28 nfsmapid
d615ba00 statd
d615dc60 nfs4cbd
d615c298 java
d615d3c8 dtlogin
cabc9140 intrd
d45564e0 fmd
d58e5028 sendmail
d58e6158 sendmail
cabcc4d0 sshd
d45539e8 syslogd
d11da148 automountd
d11d98b0 automountd
d58e8c50 inetd
ca4b5138 cron
d4552020 sh
dd53d180 sh
d2d813d0 sh
d2d802a0 zfs-test-script.
d58e7288 stf_execute
dd53f3e0 stf_execute
dbf86508 stf_execute
d615a8d0 stf_execute
dd5392b8 stf_timeout
cabc99d8
stf_jnl_context
d5aeb030
zfs_rollback_00
1
cabcb3a0
zfs
[0]> d858d680::threadlist -v
ADDR PROC LWP CLS PRI WCHAN
d858d680 cabcb3a0 dd4e99e0 1 0 dd51246a
PC: _resume_from_idle+0xb1 CMD:
/usr/sbin/zfs destroy -Rf testpool.455682/testvol455682
stack pointer for thread d858d680: e7672cd8
swtch+0x20e()
cv_wait+0x5d()
zfs`txg_wait_synced+0x11f()
zfs`dsl_sync_task_group_wait+0x100()
zfs`dsl_dataset_destroy+0x208()
zfs`dmu_objset_destroy+0x52()
zfs`zfs_ioc_destroy+0x41()
zfs`zfsdev_ioctl+0xfe()
cdev_ioctl+0x2e()
specfs`spec_ioctl+0x65()
fop_ioctl+0x49()
ioctl+0x155()
sys_sysenter+0x1a4()
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