System panics occasionally while importing a zpool (Doc ID 1442801.1)

Last updated on JULY 29, 2016

Applies to:

Solaris Operating System - Version 10 10/08 U6 to 10 9/10 U9 [Release 10.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

System panics occasionally with a bad trap in module "zfs" due to a Null pointer


# zpool import
cannot import 'pool': I/O error
Destroy and re-create the pool from a backup source

panic stack from /var/adm/messages

fffffe8000c9b2b0 0xfffffffffb85c902()
fffffe8000c9b320 die+0xda(fffffe8000c9b410, fffffe8000c9b400, 20, 6)
fffffe8000c9b400 trap+0x5e6(fffffe8000c9b410, 20, 6)
fffffe8000c9b410 zap_leaf_lookup_closest+0x2e(?, ?, ?, ?)
fffffe8000c9b670 zap_cursor_retrieve+0x68(fffffffff78cf7d6, fffffe8000c9b6d0)
fffffe8000c9b860 zfs_purgedir+0x56(ffffffffb1984408)
fffffe8000c9b8a0 zfs_rmnode+0x146(ffffffffb1984408)
fffffe8000c9b8d0 zfs_zinactive+0xc8(ffffffffb1984408)
fffffe8000c9b910 zfs_inactive+0xd5(?, ffffffffa5f0d380, ?)
fffffe8000c9b920 zfs_shim_inactive+0xb(?, ?)
fffffe8000c9b950 fop_inactive+0x81(ffffffffb144f240, ffffffffb140ac78)
fffffe8000c9b970 vn_rele+0x80(fffffe8000c9b950)
fffffe8000c9bb50 zfs_unlinked_drain+0x97(ffffffffa5f0d380)
ffffe8000c9bb70 zfsvfs_setup+0xd4(ffffffffa5f0d380, 1)
fffffe8000c9bbc0 zfs_domount+0x1a4(fffffffff78dc5e4, ffffffff9ec4cb00)
fffffe8000c9bcc0 zfs_mount+0x15a(ffffffffb199e3c0, ffffffffb16acac0,       fffffe8000c9be20, ffffffffb140ac78)
fffffe8000c9bcd0 fsop_mount+0xa(?, ?, ?, ffffffffb140ac78)
fffffe8000c9be00 domount+0x4d7(?, fffffe8000c9be20, ffffffffb16acac0, ffffffffb140ac78, fffffe8000c9be10)
fffffe8000c9be80 mount+0x105(?, 0)
fffffe8000c9bec0 syscall_ap+0x97()
fffffe8000c9bf10 _sys_sysenter_post_swapgs+0x14b()


Cause

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