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From: Greg KH <greg@kroah.com>
To: davidm@hpl.hp.com
Cc: vojtech@suse.cz, linux-usb-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: serious 2.6 bug in USB subsystem?
Date: Mon, 27 Oct 2003 17:30:13 -0800	[thread overview]
Message-ID: <20031028013013.GA3991@kroah.com> (raw)
In-Reply-To: <200310272235.h9RMZ9x1000602@napali.hpl.hp.com>

On Mon, Oct 27, 2003 at 02:35:09PM -0800, David Mosberger wrote:
> One-line summary: plug-in your USB keyboard, see your machine die.

Any chance to know where the machine dies?  Any oops you can help us out
with?

> So, I have this non-name USB keyboard (with built-in 2-port USB hub)
> which reliably crashes 2.6.0-test{8,9} on both x86 and ia64.  In
> retrospect, it's clear to me that the same keyboard also occasionally
> crashes 2.4 kernels, but there the problem appears more seldom.
> Perhaps once in 10 reboots and once the machine is booted and the
> keyboard is running, it keeps on working.  The keyboard in question is
> a BTC 5141H.

If you do not load the HID driver, and disable automatic loading of the
hid driver (echo '/sbin/true' > /proc/sys/kernel/hotplug) and plug in
the device, does it still crash?

If not, can you get us the output of /proc/bus/usb/devices and lsusb
with the device plugged in?

If not, does then loading the hid driver cause the problem?

thanks,

greg k-h

  reply	other threads:[~2003-10-28  1:39 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-27 22:35 serious 2.6 bug in USB subsystem? David Mosberger
2003-10-28  1:30 ` Greg KH [this message]
2003-10-28  3:00   ` David Mosberger
2003-10-30 15:11     ` [linux-usb-devel] " David Brownell
2003-10-30 20:15       ` David Mosberger
     [not found]         ` <16289.55171.278494.17172@napali.hpl.hp.com>
2003-10-31 16:23           ` David Brownell
2003-10-31 18:34             ` David Mosberger
2003-10-31 18:50               ` Valdis.Kletnieks
2003-10-31 19:28               ` David Brownell
2003-10-31 19:50                 ` David Mosberger
2003-10-31 20:06                   ` David S. Miller
2004-03-06  2:08             ` David Mosberger
2004-03-06  2:13               ` David Mosberger
2004-03-06  4:55               ` David Brownell
2004-03-06  5:49                 ` David Mosberger
2004-03-06  7:21                   ` David Mosberger
2004-03-06  8:39                     ` David Mosberger
2004-03-06 16:37                   ` David Brownell
2004-03-08  6:18                     ` Grant Grundler
2004-03-08 18:58                       ` David Mosberger
2004-03-08 21:48                         ` David Brownell
2004-03-09  9:15                           ` David Mosberger
2004-03-09 17:36                             ` David Brownell
2004-03-09 17:58                               ` David Mosberger
2004-03-09 20:39                                 ` David Brownell
2004-03-09 23:32                                   ` David Mosberger
2004-03-10  2:53                                     ` David Brownell
2004-03-10  6:11                                       ` David Mosberger
2004-03-10  6:59                                   ` David Mosberger
2004-03-10  7:52                                     ` Wouter Lueks
2004-03-10 16:49                                       ` David Mosberger
2004-03-10 19:49                                         ` Wouter Lueks
2004-03-10 16:22                                     ` David Brownell
2004-03-10 18:04                                       ` David Mosberger
2004-03-11  2:43                                         ` David Brownell
2004-03-11  5:35                                           ` David Mosberger
2004-03-10 19:29                                     ` Colin Leroy
2004-03-06  9:17                 ` [linux-usb-devel] " David Mosberger
2004-03-06 17:30                   ` David Brownell
2004-03-07 13:48                     ` Matthias Andree
2004-03-08 18:49                     ` David Mosberger
2003-11-03  3:46         ` David Brownell
2003-11-03 21:25           ` David Mosberger
2004-03-03 12:33 ` Wouter Lueks
2004-03-03 15:30   ` Wouter Lueks

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