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Bug ID 6751438
Synopsis mirror mounted mountpoints panic when umounted
State 10-Fix Delivered (Fix available in build)
Category:Subcategory kernel:nfsv4
Keywords
Responsible Engineer Thomas Haynes
Reported Against
Duplicate Of
Introduced In solaris_nevada
Commit to Fix snv_101
Fixed In snv_101
Release Fixed solaris_nevada(snv_101)
Related Bugs 6684208 , 6722697 , 6722777
Submit Date 23-September-2008
Last Update Date 24-November-2008
Description 
A new panic was observed during the execution of the mirrormnt testsuite. Further analysis has shown it to have been occurring since snv_97. Which coincides which changes in nfs4_stub_vnops.c
panic[cpu0]/thread=ffffff0004f33c80: assertion failed: net->net_refcnt != 0, file: ../../common/fs/nfs/nfs4_stub_vnops.c, line: 308

 ffffff0004f33ab0 genunix:assfail+7e ()
 ffffff0004f33ae0 nfs:nfs4_ephemeral_tree_decr+64 ()
 ffffff0004f33b20 nfs:nfs4_ephemeral_umount_unlock+3f ()
 ffffff0004f33b70 nfs:nfs4_ephemeral_umount_activate+7b ()
 ffffff0004f33c30 nfs:nfs4_free_mount+2fe ()
 ffffff0004f33c60 nfs:nfs4_free_mount_thread+24 ()
 ffffff0004f33c70 unix:thread_start+8 ()
Work Around 
N/A
Comments 
N/A