From: Marcel Holtmann <marcel@holtmann.org>
To: Eugene Crosser <crosser@average.org>
Cc: BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
Subject: Re: [Bluez-devel] Re: Reproducible kernel oops on PPP session start
Date: Sun, 11 Jan 2004 15:59:26 +0100 [thread overview]
Message-ID: <1073833166.3126.24.camel@pegasus> (raw)
In-Reply-To: <1073736666.12699.4.camel@pccross.average.org>
Hi Eugene,
> > As far as I can tell from analyzing the dump, and objdump of l2cap.o
> > object, BUG() happens when "sk_set_owner(sk, THIS_MODULE);" in
> > net/bluetooth/l2cap.c line 353 encounters zero refcount of the module.
> > So, probably somebody incorrectly decreases the l2cap's refcount
> > elsewhere...
>
> yes, this seems to be true (and explains the fixed number of attempts).
> Reference count increases by one every time session starts, and
> decreases by *two* when it is finished. Why initial refcount is 5 is
> still unclear to me...
I thought all refcount bugs were fixed, but the initial refcount is easy
to explain. It should be raised by the RFCOMM module and the sdpd. Try
to not load RFCOMM and disable the starting of the sdpd.
Regards
Marcel
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next prev parent reply other threads:[~2004-01-11 14:59 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-07 11:42 Reproducible kernel oops on PPP session start Eugene Crosser
2004-01-07 12:15 ` [Bluez-devel] " Marcel Holtmann
2004-01-07 13:57 ` Eugene Crosser
2004-01-10 12:00 ` Eugene Crosser
2004-01-10 12:11 ` Eugene Crosser
2004-01-11 14:59 ` Marcel Holtmann [this message]
2004-01-12 6:33 ` Eugene Crosser
2004-01-12 13:22 ` Marcel Holtmann
2004-01-12 14:52 ` Eugene Crosser
2004-01-12 15:15 ` Marcel Holtmann
2004-01-12 21:22 ` Eugene Crosser
2004-01-12 21:35 ` Marcel Holtmann
2004-01-12 22:02 ` Eugene Crosser
2004-01-13 17:32 ` Marcel Holtmann
2004-01-13 19:33 ` Marcel Holtmann
2004-01-13 21:32 ` Eugene Crosser
2004-01-13 23:14 ` Marcel Holtmann
2004-01-07 14:05 ` Edd Dumbill
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