freebsd-current Digest, Vol 194, Issue 3

Tino Engel tino.engel at hotmail.com
Tue May 1 12:36:56 UTC 2007


I have noticed running latest kde using kdesvn frontend is good.A.E. EngelFrom: freebsd-current-request at freebsd.orgSubject: freebsd-current Digest, Vol 194, Issue 3To: freebsd-current at freebsd.orgDate: Tue, 1 May 2007 12:00:16 +0000Send freebsd-current mailing list submissions to	freebsd-current at freebsd.org To subscribe or unsubscribe via the World Wide Web, visit	http://lists.freebsd.org/mailman/listinfo/freebsd-currentor, via email, send a message with subject or body 'help' to	freebsd-current-request at freebsd.org You can reach the person managing the list at	freebsd-current-owner at freebsd.org When replying, please edit your Subject line so it is more specificthan "Re: Contents of freebsd-current digest..."--Forwarded Message Attachment--From: kostikbel at gmail.comCC: freebsd-current at freebsd.org; shoesoft at gmx.netTo: des at des.noDate: Tue, 1 May 2007 14:19:02 +0300Subject: Re: strace causes panic: sleeping threadOn Tue, May 01, 2007 at 12:35:49PM +0200, Dag-Erling Sm?rgrav wrote:> des at des.no (Dag-Erling Sm?rgrav) writes:> > procfs_ioctl() needs the process to be locked; pn_ioctl() verifies> > that this is the case before calling it.  The correct fix is not to> > unlock the process before calling procfs_ioctl(), but to remove the> > latter's redundant PROC_LOCK() / PROC_UNLOCK() calls.> > See attached patch. The procfs PIOCWAIT/PIOCWAIT32 ioctls drop the p_mtx for sleep. Could it bethat p being freed/reused meantime ?--Forwarded Message Attachment--From: des at des.noCC: freebsd-current at freebsd.org; shoesoft at gmx.netTo: kostikbel at gmail.comDate: Tue, 1 May 2007 13:34:52 +0200Subject: Re: strace causes panic: sleeping threadKostik Belousov <kostikbel at gmail.com> writes:> The procfs PIOCWAIT/PIOCWAIT32 ioctls drop the p_mtx for> sleep. Could it be that p being freed/reused meantime ? So it should be held while the lock is dropped.  It is still a procfsissue (and one that was present, although benign, before I removedGiant from pseudofs).  Please try this updated patch. DES-- Dag-Erling Smørgrav - des at des.no 
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