DragonFly BSD
DragonFly bugs List (threaded) for 2009-12
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Re: panic: spin_lock: 0xe4ad1320, indefinitive wait!


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 22 Dec 2009 09:46:12 -0800 (PST)

    In the release code the spinlock is very short duration.  All I
    can think of is that there might be a MP race somewhere.  There
    are a few places in the release kernel where p_ucred is used as
    if it were MPSAFE when, in fact, it was not MPSAFE.

    Well, that spin lock was removed from master and the cred handling
    code was rewritten.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>



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