.2356 and circular dependency.....

Dave Jones davej at redhat.com
Thu Jul 6 18:11:55 UTC 2006


On Thu, Jul 06, 2006 at 07:58:14AM -0700, Tom London wrote:
 > After installing .2356 I get this each time I boot:
 > =======================================================
 > [ INFO: possible circular locking dependency detected ]
 > -------------------------------------------------------
 > S06cpuspeed/1620 is trying to acquire lock:
 > (dbs_mutex){--..}, at: [<c060d6bb>] mutex_lock+0x21/0x24
 > 
 > but task is already holding lock:
 > (cpucontrol){--..}, at: [<c060d6bb>] mutex_lock+0x21/0x24
 > 
 > which lock already depends on the new lock.

Seen that one: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197803
It's a tricky problem, but people (including myself) are looking into it.

The new lock dependancy checker may pick up on a bunch of things
like this over the next few weeks.  Please post any of these
that you see to bugzilla, even if things continue to work fine
afterwards.

		Dave

-- 
http://www.codemonkey.org.uk




More information about the test mailing list