Solaris 11 or Solaris 10 panic with BAD TRAP during space_map_load()

(Doc ID 2383588.1)

Last updated on APRIL 11, 2018

Applies to:

Solaris Operating System - Version 10 3/05 to 11.2 [Release 10.0 to 11.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

 panic string and panic stack will be similar to this:

 

panic string: BAD TRAP: type=31 rp=2a101e32d50 addr=0 mmu_fsr=0 occurred in module "SPARC-T5" due to a NULL pointer dereference

 

stack:

 

<trap>SPARC-T5:bcopy_more+0x4f0(, , , , 0x1388e2f)
SPARC-T5:bcopy(, 0x30121a58000, 0x1000) - frame recycled
zfs:dmu_read+0x140(0x300103c4640, 0xca, 0x3000, 0x1000, 0x30121a58000, 0)
zfs:space_map_load+0x184(0x6006bd0dec8, 0x1a382b8, 1, 0x6006bd0da88, 0x300103c4640)
zfs:metaslab_activate+0x68(, 0x4000000000000000, 0x200, 0xaf4297)
zfs:metaslab_group_alloc+0x214(0x30005657240, 0x200, 0xaf4297, 0x250000000, 0x300e2ed9040, 1)
zfs:metaslab_alloc_dva+0x2a8(0x60067fcab00, 0x6006ba39c38, 0x200, 0x300e2ed9040, 1, 2, 0, 0xaf4297)
zfs:metaslab_alloc+0xc4(0x60067fcab00, 0x6006ba39c38, 0x200, 0x300e2ed9040, 2, 0xaf4297, 0, 4)
zfs:zio_dva_allocate+0xfc(0x301a3ba0070)
zfs:zio_execute+0xb4(0x301a3ba0070, 0x3021c93f7d8, 0x1358d74)
genunix:taskq_thread+0x3cc(0x60063aea118, 0)
unix:thread_start+4()

Cause

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