linux-kernel - Re: Kernel oops with bluetooth usb dongle

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Message-ID: <a8e1da0802271703x42152aabn8f5862b16357c083@mail.gmail.com>
Date:	Thu, 28 Feb 2008 09:03:57 +0800
From:	"Dave Young" <hidave.darkstar@...il.com>
To:	"Quel Qun" <kelk1@...cast.net>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"David Woodhouse" <dwmw2@...radead.org>,
	"Marcel Holtmann" <marcel@...tmann.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Jiri Kosina" <jkosina@...e.cz>, "Ingo Molnar" <mingo@...e.hu>
Subject: Re: Kernel oops with bluetooth usb dongle

On Tue, Feb 26, 2008 at 8:03 AM, Quel Qun <kelk1@...cast.net> wrote:
>  -------------- Original message ----------------------
>  From: Thomas Gleixner <tglx@...utronix.de>
>
>
> > On Fri, 22 Feb 2008, David Woodhouse wrote:
>  >
>  > > On Fri, 2008-02-22 at 08:23 +0100, Thomas Gleixner wrote:
>  > > >
>  > > > +       del_timer(&conn->info_timer);
>  > > > +
>  > > >         hcon->l2cap_data = NULL;
>  > > >         kfree(conn);
>  > >
>  > > Shouldn't that be del_timer_sync() ?
>  >
>  > Hmm, probably yes.
>  >
>  Hi,
>
>  Great news: only adding adding del_timer_sync() to 2.6.25-rc3 does prevent the crash.
>
>  Bad news: I still cannot use the device.
>
>  hcitool inq, hcitool scan, hcitool name <btaddr> and hcitool info <btaddr>
>  commands work.
>
>  hcitool cc <btaddr>, sdptool <btaddr>, rfcomm connect command fail, most of them
>  with a 'Connection reset by peer' error.

Could you send the dmesg and hcidump content while connecting (eg.
rfcomm connect)?

>
>  # rpm -q bluez-utils
>  bluez-utils-3.27-1mdv2008.1
>
>  Thank you,
>  --
>  Eric
>
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