From: Greg KH <greg@kroah.com>
To: "Collins, Bernard F. (Skip)" <Bernard.Collins@jhuapl.edu>
Cc: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Subject: Re: Visor USB hang
Date: Wed, 3 Dec 2003 16:24:14 -0800 [thread overview]
Message-ID: <20031204002414.GI21541@kroah.com> (raw)
In-Reply-To: <E37E01957949D611A4C30008C7E691E20915BBFC@aples3.dom1.jhuapl.edu>
On Wed, Dec 03, 2003 at 05:36:01PM -0500, Collins, Bernard F. (Skip) wrote:
> > > I am running 2.4.23 on a RedHat 9 system. Whenever I try to sync my
> > > Visor Deluxe, the system hangs/freezes soon after I press the sync
> > > button on my cradle. Trying to find the cause of the problem, I
> > > preloaded the usbserial and visor modules with "debug=1". Nothing
> > > obviously wrong appears in the logs. The last message before the
> > > system freezes is a usb-uhci.c interrupt message.
> >
> > Can you show the log with that enabled?
>
> If you mean debug=1 enabled, the log excerpt I posted was generated with
> both the usbserial and visor modules modprobed with debug=1. Perhaps I am
> mistaken in assuming that my approach actually enables debugging. I
> modprobed both modules and hit the hotsync button. I am assuming that
> hotplug does not override the manually loaded module parameters.
but then no user program tried to talk to the device. I don't see any
accesses to the device in your logs. Any oops messages?
> > What happens if you use the uhci.o module instead of usb-uhci.o?
>
> That is not terribly convenient to test right now. Can you suggest a simple
> way to unload usb-uhci and load uhci without disabling my usb keyboard and
> mouse?
rmmod usb-uhci && modprobe uhci
thanks,
greg k-h
next prev parent reply other threads:[~2003-12-04 0:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-03 22:36 Visor USB hang Collins, Bernard F. (Skip)
2003-12-04 0:24 ` Greg KH [this message]
2003-12-04 14:49 ` Bernard Collins
2003-12-06 1:03 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2003-12-06 17:52 Collins, Bernard F. (Skip)
2003-12-07 3:22 ` Greg KH
2003-12-04 3:31 Collins, Bernard F. (Skip)
2003-12-03 20:44 Collins, Bernard F. (Skip)
2003-12-03 21:21 ` Greg KH
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