Issue #2374 has been updated by John Marino.

Perhaps related:

Occasionally I see this kernel message while packages are building:
softdep_setup_freeblocks_bp(1): caught <id> going away

----------------------------------------
Bug #2374: softupdates locking bug
http://bugs.dragonflybsd.org/issues/2374

Author: Venkatesh Srinivas
Status: New
Priority: Normal
Assignee: 
Category: 
Target version: 


softupdates may still have some locking issues:

In -master:
* http://leaf.dragonflybsd.org/~marino/core/core.20120523.txt
Panic where softdep_update_inodeblock() called bwrite() with a NULL buffer

getdirtybuf returned 'gotit', yet it either returned a NULL bp or the buffer 
was nulled after
it was saved in the inodedep structure. getdirtybuf can block and does release 
the softdep
lock while locking dirty buffers, but it is not clear if anyone can race in and 
result in the failure mode seen.

* (from 3.0.3 catchall bug (2336)):
Deadlock in -master with softdep. No more details available.




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