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Date: Mon, 7 Jan 2002 20:01:50 -0500
From: Johannes Erdfelt <johannes@erdfelt.com>
To: Michael Cohen <lkml@ohdarn.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: USB Lockups
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On Mon, Jan 07, 2002, Michael Cohen <lkml@ohdarn.net> wrote:
> > > Tried with UHCI and JE driver. JE doesn't recognize the USB controller
> > > half the time.  It seems to me that this is similar to the problem
> > > with a saturated PCI bus that someone posted a latency fix for.
> > > I'd appreciate any input.  A similar machine does this on windows as
> > > well, too.  BIOS is as late as it gets.
> > 
> > Doesn't recognize the USB controller half the time? This is something I
> > would expect to either work all of the time, or none of the time.
> > 
> > Do you get any error messages?
> 
> The JE driver strangely seems to be an unstable beast on here.
> It more often does not work, though every once in a while it wakes up on
> boot.  I've stuck with the standard.  As for error messages, "No devices
> found" is the only one I get with the standard driver (when nothing is
> plugged in :).  Oh, it's SMP PIII.

It'll say that if usb-uhci is loaded since it has claimed all of the
host controllers.

What sort of instability are you seeing?

JE

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