Customer has a Thumper running:
SunOS x4501 5.10 Generic_120012-14 i86pc i386 i86pc
where running "zpool detech disk c6t7d0" to detech a mirror causes zpool
command to hang with following kernel stack trace:
PC: _resume_from_idle+0xf8 CMD: zpool detach disk1 c6t7d0
stack pointer for thread fffffe84d34b4920: fffffe8001c30c10
[ fffffe8001c30c10 _resume_from_idle+0xf8() ]
swtch+0x110()
cv_wait+0x68()
spa_config_enter+0x50()
spa_vdev_enter+0x2a()
spa_vdev_detach+0x39()
zfs_ioc_vdev_detach+0x48()
zfsdev_ioctl+0x13e()
cdev_ioctl+0x1d()
spec_ioctl+0x50()
fop_ioctl+0x25()
ioctl+0xac()
sys_syscall32+0x101()
Other zpool commands, df, format all waiting on a mutex lock
spa_namespace_lock to release:
PC: _resume_from_idle+0xf8 CMD: zpool status
stack pointer for thread fffffe84d34b3ba0: fffffe8001439bf0
[ fffffe8001439bf0 _resume_from_idle+0xf8() ]
swtch+0x110()
turnstile_block+0x1fb()
mutex_vector_enter+0x40f()
spa_all_configs+0x48()
zfs_ioc_pool_configs+0x20()
zfsdev_ioctl+0x13e()
cdev_ioctl+0x1d()
spec_ioctl+0x50()
fop_ioctl+0x25()
ioctl+0xac()
sys_syscall32+0x101()
=========
PC: _resume_from_idle+0xf8 CMD: zpool list
stack pointer for thread fffffe875856bf20: fffffe8001f7ebf0
[ fffffe8001f7ebf0 _resume_from_idle+0xf8() ]
swtch+0x110()
turnstile_block+0x1fb()
mutex_vector_enter+0x40f()
spa_all_configs+0x48()
zfs_ioc_pool_configs+0x20()
zfsdev_ioctl+0x13e()
cdev_ioctl+0x1d()
spec_ioctl+0x50()
fop_ioctl+0x25()
ioctl+0xac()
sys_syscall32+0x101()
=======
PC: _resume_from_idle+0xf8 CMD: format
stack pointer for thread fffffe84d34b4260: fffffe8001b73b90
[ fffffe8001b73b90 _resume_from_idle+0xf8() ]
swtch+0x110()
turnstile_block+0x1fb()
mutex_vector_enter+0x40f()
spa_open_common+0x5f()
spa_get_stats+0x42()
zfs_ioc_pool_stats+0x2c()
zfsdev_ioctl+0x13e()
cdev_ioctl+0x1d()
spec_ioctl+0x50()
fop_ioctl+0x25()
ioctl+0xac()
sys_syscall32+0x101()
=====
PC: _resume_from_idle+0xf8 CMD: df -h
stack pointer for thread fffffe84d34b3f00: fffffe8001eb8960
[ fffffe8001eb8960 _resume_from_idle+0xf8() ]
swtch+0x110()
turnstile_block+0x1fb()
mutex_vector_enter+0x40f()
spa_open_common+0x5f()
spa_open+0xb()
dsl_dir_open_spa+0x22e()
dsl_dataset_open_spa+0x41()
dsl_dataset_open+0x16()
dmu_objset_open+0x49()
zfs_ioc_objset_stats+0x3d()
zfsdev_ioctl+0x13e()
cdev_ioctl+0x1d()
spec_ioctl+0x50()
fop_ioctl+0x25()
ioctl+0xac()
sys_syscall32+0x101()
I have asked customer to provide a core dump. Still waiting for it to
arrive. I would like to know if it is a known bug.
--
Amer Ather
TSC-KERNEL
[EMAIL PROTECTED]
408-276-9780 (x19780)
email Pager: [EMAIL PROTECTED]
" If you fail to prepare, prepare to fail"
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