Re: [coldsync-hackers] m500 usb cradle problems

[Greg KH <greg@kroah.com>]

On Thu, Jan 24, 2002 at 07:59:04AM -0800, David A. Desrosiers wrote:
> 
> > > Unfortunatly it is imediatly followed by a segfault...
> 
> > Did you also get a kernel oops? If so, can you run it through ksymoops and
> > send it to me?
> 
> 	Has the cause of that oops on visor_close been zeroed in on yet? I
> was playing around yesterday and got 19 oopses out of 22 sync's. It's always
> on visor_close. I had both ohci and uhci loaded, as that seemed to stop it
> in the past, but for some reason, yesterday was a bad day. Something about
> usbcore timouts as I recall you saying before. Any ideas? I'll shoot you the
> oopses I have directly.

No, I haven't been able to solve this problem yet, sorry.

It's kind of hard when it doesn't happen to me :(

Try switching to a SMP kernel (even on a UP machine), that seems to
solve the problem for most people.

It looks like we need to get better reference counting into the usb core
code to solve this problem, and I'm working on that right now in the 2.5
kernel tree.  When completed, I'll see about backporting that to 2.4.

Sorry,

greg k-h

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