Hello, I encounter this problem for the second time. The system is working perfectly well but suddenly the command `zfs list' don't work and can't be killed. Here is a procstat of the culprit: [root@morzine ~]# procstat -k 91766 PID TID COMM TDNAME KSTACK 91766 100490 zfs - mi_switch sleepq_switch sleepq_wait _cv_wait zio_wait dbuf_read dmu_buf_hold zap_lockdir zap_lookup_norm zap_lookup dsl_prop_get_dd dsl_dataset_get_ref dsl_dataset_hold dmu_objset_open zfs_ioc_objset_stats zfsdev_ioctl devfs_ioctl_f kern_ioctl same thing happen if I try to run `zpool list' un another terminal. Henri
> Hello, > > I encounter this problem for the second time. The system is working > perfectly well but suddenly the command `zfs list' don't work and can't > be killed. > > Here is a procstat of the culprit: > > [root@morzine ~]# procstat -k 91766 > PID TID COMM TDNAME KSTACK > > 91766 100490 zfs - mi_switch sleepq_switch > sleepq_wait _cv_wait zio_wait dbuf_read dmu_buf_hold zap_lockdir > zap_lookup_norm zap_lookup dsl_prop_get_dd dsl_dataset_get_ref > dsl_dataset_hold dmu_objset_open zfs_ioc_objset_stats zfsdev_ioctl > devfs_ioctl_f kern_ioctl > > same thing happen if I try to run `zpool list' un another terminal. > > Henrisame here, but with a twist: it used to happen on a 7.1, then after an unpgrade, sometime in April, to 7.2-PRERELEASE, things were ok till today! I was about to blame a resent upgrade of the PERC firmware(a very long shot :-), but now I don't know if upgradeing to 7.2-stable will help. This is a production host, with 12TB serving many nfs clients. danny
Henri Hennebert wrote:> Hello, > > I encounter this problem for the second time. The system is working > perfectly well but suddenly the command `zfs list' don't work and can't > be killed. > > Here is a procstat of the culprit: > > [root@morzine ~]# procstat -k 91766 > PID TID COMM TDNAME KSTACK > 91766 100490 zfs - mi_switch sleepq_switch > sleepq_wait _cv_wait zio_wait dbuf_read dmu_buf_hold zap_lockdir > zap_lookup_norm zap_lookup dsl_prop_get_dd dsl_dataset_get_ref > dsl_dataset_hold dmu_objset_open zfs_ioc_objset_stats zfsdev_ioctl > devfs_ioctl_f kern_ioctl > > same thing happen if I try to run `zpool list' un another terminal.Stangely, zfs snapsot and zfs destroy seems working properly ... I reboot to check this> > Henri > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"