OpenSolaris

Printable Version Enter a New Search
Bug ID 6722777
Synopsis snv_92 dies often with Deadlock: cycle in blocking chain, out of nfs4_ephemeral_harvest_forest()
State 10-Fix Delivered (Fix available in build)
Category:Subcategory kernel:nfsv4
Keywords
Responsible Engineer Thomas Haynes
Reported Against snv_92
Duplicate Of
Introduced In solaris_nevada
Commit to Fix snv_97
Fixed In snv_97
Release Fixed solaris_nevada(snv_97)
Related Bugs 5035401 , 6722697 , 6751438
Submit Date 4-July-2008
Last Update Date 8-October-2008
Description 
Since upgrade from snv_91 to snv_92 the following panic has been seen on multiple occasions.

panic[cpu1]/thread=ffffff000524dc80: 
Deadlock: cycle in blocking chain


ffffff000524db10 genunix:turnstile_block+783 ()
ffffff000524db80 unix:mutex_vector_enter+26f ()
ffffff000524dc20 nfs:nfs4_ephemeral_harvest_forest+97 ()
ffffff000524dc60 nfs:nfs4_ephemeral_harvester+79 ()
ffffff000524dc70 unix:thread_start+8 ()
Work Around 
N/A
Comments 
N/A