linux-kernel - Re: Oops in CDC ACM after an Openmoko phone (neo1973) changes its usb interface from ACM to Ethernet

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Message-ID: <81b0412b0908021339s739c07edvd4d5eb4c21cfa167@mail.gmail.com>
Date:	Sun, 2 Aug 2009 22:39:28 +0200
From:	Alex Riesen <raa.lkml@...il.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-usb@...r.kernel.org, Oliver Neukum <oliver@...kum.name>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <greg@...ah.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: Oops in CDC ACM after an Openmoko phone (neo1973) changes its usb 
	interface from ACM to Ethernet

On Sun, Aug 2, 2009 at 20:25, Alex Riesen<raa.lkml@...il.com> wrote:
> I shall try to find the -rc2 which oopses (I suspect it is the one
> just before -rc3).
>

And this is after I put "for(;;);" at the end of dump_stack in v2.6.31-rc3:
http://home.arcor.de/fork0/bug/neocrash.jpg (~110k)

And this one is with v2.6.31-rc5 (it has usb_disconnect in it):
http://home.arcor.de/fork0/bug/neocrash-rc5.jpg (~86k)
(config: http://home.arcor.de/fork0/bug/neocrash-config-rc5.txt)

I couldn't find the -rc2 which didn't lock up. They all do now. I don't know
anymore how I made that -rc2 where I got the previous oops from.

Any idea how to disable stack dumps so that there is more place
for other output on a laptop screen? (no chance for serial console)
Or maybe a high-speed video camera can stand a chance?
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