linux-kernel - Re: 2.6.33.1: USB camera hung_task_timeout

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Message-ID: <Pine.LNX.4.44L0.1004141619360.1716-100000@iolanthe.rowland.org>
Date:	Wed, 14 Apr 2010 16:21:51 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Martin Mokrejs <mmokrejs@...osome.natur.cuni.cz>,
	Maciej Rutecki <maciej.rutecki@...il.com>
cc:	USB list <linux-usb@...r.kernel.org>,
	USB Storage list <usb-storage@...ts.one-eyed-alien.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.33.1: USB camera hung_task_timeout_secs >120 seconds

On Wed, 14 Apr 2010, Maciej Rutecki wrote:

> (Add CCs)
> 
> Can you check, that eg. 2.6.30 and latest -RC works OK?
> 
> On wtorek, 13 kwietnia 2010 o 22:07:20 Martin Mokrejs wrote:
> > Hi,
> >    I am not certain whether the stacktrace I received is just intentional
> > to attract developer eyes or whether this is actually a false alarm:
> > mounting USB mass storage device media always takes a long while.
> > This is a P4-M laptop with Kouwell 7004 FW/USB2.0 PCMCIA card.
> > Comments?
> > Thanks,
> > martin

If 2.6.34-rc doesn't work, please post a usbmon trace showing what
happens when the device is plugged in.  Instructions are in
Documentation/usb/usbmon.txt.

Alan Stern

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