Solaris Panics in ZFS dsl_dataset_disown() During Live Upgrade or When Changing Filesystem Properties (Doc ID 1416305.1)

Last updated on JULY 29, 2016

Applies to:

Solaris Operating System - Version 10 3/05 to 11 11/11 [Release 10.0 to 11.0]
Solaris Operating System
Information in this document applies to any platform.

Symptoms

If the described issue occurs, the system may exhibit a panic with a stack trace similar to the following:


panic[cpu1]/thread=300026a3820: mutex_enter: bad mutex, lp=6001999c270 owner=300026a3820 thread=300026a3820

zfs:dsl_dataset_disown+c (6001999c140, 136dfb0, 0, 6001999c270, 6001999c140, 16)
zfs:zvol_set_volsize+224 (6001fdf5680, 136dc00, 18e4000, 16, 2a102711010, 2a102711008)
zfs:zfs_prop_set_special+22c (6001be0c000, 2a4, 600179aa9b8, 0, 8, 8)
zfs:zfs_set_prop_nvlist+104 (6001be0c000, 8, 600364a14b8, 2a102711828, 0, 600179aa9b8)
zfs:zfs_ioc_set_prop+f8 (6001be0c000, 2, 0, 0, 8, 1128)
zfs:zfsdev_ioctl+19c (16, 2, ffbfdc60, 0, 18cfb10, 1400)
genunix:fop_ioctl+20 (60015a9b880, 5a16, ffbfdc60, 100003, 600104220e8, 12a6a54)
genunix:ioctl+184 (3, 6001be79930, ffbfdc60, 0, 0, 5a16)

syncing file systems... done



The panic has been seen during Live Upgrade operations and whilst modifying ZFS filesystem properties relating to filesystem size and quota where insufficient space exists within the zpool.

Cause

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