Return-Path: Subject: Re: [Bluez-devel] RFCOMM related oops From: Marcel Holtmann To: BlueZ Mailing List Cc: victor.shcherbatyuk@tomtom.com In-Reply-To: References: Content-Type: text/plain Message-Id: <1112045836.9016.56.camel@pegasus> Mime-Version: 1.0 Sender: bluez-devel-admin@lists.sourceforge.net Errors-To: bluez-devel-admin@lists.sourceforge.net Reply-To: bluez-devel@lists.sourceforge.net List-Unsubscribe: , List-Id: BlueZ development List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 28 Mar 2005 23:37:16 +0200 Hi Victor, > Some more problems... > > The following holds for Motorola V3 (RAZR) and Nokia 6310i (i hope i'm not > mistaking), and prob. some more phones I've never seen ;) > > The sequence leading to the oops (oops.txt): > Open RFCOMM channel exposed as HF channel. Try to open RFCOMM channel > exposed as DUN channel for 3 times (first 2 fail, and finally attempt 3 > gives success). Close RFCOMM channel for DUN. Close RFCOMM channel for HF -> > oops. > > Looks like those phones allow only 1 RFCOMM channel to be opened. But > strange things happen if you try to connect, when there is > already a RFCOMM connection open on another channel (all this story with > 3 attempts). > > What I see from the log (motov3.bin): > On attempt 2 bluez stack DISC on dlci 0 (for the reason I don't know) > where there are still active RFCOMM connections (HF channel, dlci 14 in > the log). So when I try to close HF it oops'es... > > Have it reproducible on 2 platforms (arm and i386): > 2.6.11.4 + 2.6.11-mh2 (i386) I hope this is not because of my fix for the reference counting problem you found. Check if this still happens with a vanilla 2.6.11 kernel. If it still happens try to reproduce it without the ndiswrapper. This taints your kernel and I am not willing to fix buggy Windows drivers. Next thing is to try it without PREEMPT enabled. Regards Marcel ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel