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SubjectRe: USB Keyboard errors with 2.4.5-ac
On Sun, Jul 01, 2001 at 11:39:42PM -0700, Greg KH wrote:
> On Sat, Jun 30, 2001 at 07:48:36PM +0200, Jakob Borg wrote:
> > You are using an SMP kernel. In my experience, nothing USB works with an SMP
> > kernel >2.4.3.
>
> Hm, that's a pretty vague statement :)
> I'm happily running USB on a few SMP machines around here. What are the
> problems that you are having?

Well, the problems I have (had; I'll get to that) are:

* Hard lockup whenever you try to access an USB audio device
* Sudden reboot sometimes when streaming video from an USB webcam.

The first problem appeared in 2.4.3 and only on SMP, but I know work around
that by using the alternate UHCI driver which seems to work well so far. The
second problem persists, but that is probably just a bug in the camera
driver. Nevertheless, all USB devices I tried on { SMP, kernel >2.4.3,
non-alternate UHCI driver } failed, so my statement was correct. :)

Since the alternate UHCI driver works I am satisified, but perhaps someone
interested in the normal driver should look into what happened between 2.4.3
and 2.4.4.

//jb
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