Solaris 10 and 11 may hang due deadlock in dsl_dataset_promote()
(Doc ID 2304598.1)
Last updated on JUNE 04, 2023
Applies to:
Solaris Operating System - Version 10 8/11 U10 to 11.3 [Release 10.0 to 11.0]Information in this document applies to any platform.
Symptoms
System hang and collected crash dump analysis shows zfs promote is hang at dsl_dataset_promote
use ::stacks -c dsl_dataset_promote to get the stack
void genunix:cv_wait+0x38((kcondvar_t *)0x300eb6ba5e6, (kmutex_t *)0x300eb6ba5e8)
void genunix:delay_common+0x80((clock_t))
void genunix:delay+0x88((clock_t)0xa)
int zfs:dsl_dataset_make_exclusive+0x50((dsl_dataset_t *)0x301ed245280, (void *)0x1a3af40)
int zfs:snaplist_make+0x68((dsl_pool_t *)0x60022af5580, (boolean_t)1, (uint64_t)0, (uint64_t)0x8f, (list_t *)0x2a10f699780)
int zfs:dsl_dataset_promote+0xdc((const char *), (char *))
zfs:zfs_ioc_promote((zfs_cmd_t *)0x301ecbc6000) - frame recycled
int zfs:zfsdev_ioctl+0x1ac((dev_t), (int), (intptr_t), (int), (cred_t *), (int *))
specfs:spec_ioctl((struct vnode *)0x60035e0b700, (int)0x5a24, (intptr_t)0xffbfe160, (int)0x100003, (struct cred *), (int *)0x2a10f699adc) - frame recycled
int genunix:fop_ioctl+0x2c((vnode_t *)0x60035e0b700, (int)0x5a24, (intptr_t)0xffbfe160, (int)0x100003, (cred_t *), (int *)0x2a10f699adc)
int genunix:ioctl+0x184((int), (int), (intptr_t))
unix:syscall_trap32+0xcc()
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |