linux-kernel - Re: [2.6.39] crash in acm_ctrl

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Message-Id: <201106022134.29647.oliver@neukum.org>
Date:	Thu, 2 Jun 2011 21:34:29 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Riccardo Magliocchetti <riccardo.magliocchetti@...il.com>
Cc:	linux-usb@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Oliver Neukum <oliver@...kum.name>,
	"Greg Kroah-Hartman" <gregkh@...e.de>
Subject: Re: [2.6.39] crash in acm_ctrl_msg+0x16/0x59

Am Mittwoch, 1. Juni 2011, 20:04:38 schrieb Riccardo Magliocchetti:
> Il 01/06/2011 09:34, Oliver Neukum ha scritto:
> > Am Mittwoch, 1. Juni 2011, 09:05:44 schrieb Riccardo Magliocchetti:
> >>>> Here's the lsusb -v
> >>>
> >>> There is something strange going on. This is a cdc-ether device.
> >>> Are you using any additional patches?
> >>
> >> I'm using a vanilla 2.6.39. I can get only lsusb when the phone is
> >> booted and in that case it is recgnized as cdc-ether.
> >>
> >> This is what i got when i attached the phone switched off like when i
> >> got the crash:
> >
> > Then please post lsusb -v of that state. This is a log of a connection
> > going wrong due to a bad cable or interference. Does that always happen?
> 
> yes it does always happen because (i think) the device hangs, so lsusb 
> does not show the device.

Hm. Now I am completely disoriented. Could you please explain in which modi
the device can be connected and which of them work?

	TIA
		Oliver

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