Re: udev + usb2 kernel race?

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On Tue, 2005-02-22 at 15:30 +0100, Harald Hoyer wrote:
> Sitsofe Wheeler wrote:
> > We have a computer acting as a server that locks hard (PS2 keyboard
> > stops responding, prompt never returns, boot gets no further) when USB2
> > is enabled on FC3 (there were no lockups with FC1). I finally traced
> > this down to being some sort of interaction between udev and USB2. The
> > following steps reproduce the problem:
> > 
> > Boot the kernel with init=/bin/sh
> > mount -n -t proc /proc /proc
> > mount -n -t sysfs /sys /sys
> > /sbin/start_udev
> > /sbin/modprobe uhci-hcd
> > Does this sound like a known issue?
> > 
> 
> not to me and the solution is strange... could you add a
> 
> set -x
> 
> after the first line of start_udev and look, where it hangs?

I'll set up it up but I don't know when I can get results to you. People
were pretty angry at me for taking the server down for one hour to debug
the issue ("you have a workaround - isn't that enough?") and that time I
had the excuse that a new kernel release had been issued for FC3. If
there's anything else I can do at the same time please let me know
because I can't take the server down at will...

I've also reported the issue in bugzilla -
https://bugzilla.redhat.com/beta/show_bug.cgi?id=149171

-- 
Sitsofe | http://sucs.org/~sits/



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