linux-kernel - Re: 2.6.29-rc5+: usb bluetooth crashes system

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Message-Id: <1237998174.13998.5.camel@localhost.localdomain>
Date:	Wed, 25 Mar 2009 17:22:54 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Pavel Machek <pavel@....cz>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Greg KH <greg@...ah.com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.29-rc5+: usb bluetooth crashes system

Hi Oliver,

> > > Well, I took btusb.c from 2.6.28 and that fixed the issue; so we know
> > > the regression is in btusb.c file between 28 and 29-rc7. If you have
> > > specific version of btusb.c you want me to test, please mail it to me.
> >
> > This smaller patch (partial revert of btusb.c to 2.6.28 state) seems
> > to help, too....
> 
> Could you test whether reversing the changes to btusb_probe() alone
> helps?

just test net-next-2.6 or latest Linus' tree once he pulled the
networking changes from Dave.

We had to partly revert that change for some hardware. Believe it or
not, but some Bluetooth chips don't work if we don't submit the bulk
URBs along with the interrupt URBs.

Regards

Marcel


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