Re: 2.6.23-rc1: USB hard disk broken

[Oliver Neukum <oliver@neukum.org>]

Am Sonntag 05 August 2007 schrieb Tino Keitel:
> On Thu, Jul 26, 2007 at 10:06:40 +0200, Oliver Neukum wrote:
> > Am Mittwoch 25 Juli 2007 schrieb Tino Keitel:
> > > On Wed, Jul 25, 2007 at 10:24:36 +0200, Oliver Neukum wrote:
> > > > Am Mittwoch 25 Juli 2007 schrieb Tino Keitel:
> > > > > Hi,
> > > > > 
> > > > > I just tried 2.6.23-rc1 and shortly after the boot my external USB hard
> > > > > disk went mad.
> > > 
> > > [...]
> > > 
> > > > Please recompile with CONFIG_USB_DEBUG set.
> > > > 
> > > >   Regards
> > > >           Oliver
> > > 
> > > I tried, but it didn't happen again.
> > 
> > Did you try with the old kernel again? This bug may be related to timing.
> 
> I tried again -rc1 without USB_DEBUG, and was able to reproduce the
> bug 2 times. At the second time, the kernel log shows this:
> 
> 2007-08-05_10:30:27.75572 kern.err: ehci_hcd 0000:00:1d.7: dev 6 ep1in scatterli
> st error 0/-121
> 2007-08-05_10:30:27.86576 kern.info: usb 1-6: reset high speed USB device using ehci_hcd and address 5
> 2007-08-05_10:30:55.95293 kern.info: usb 1-6: USB disconnect, address 5
> 2007-08-05_10:30:55.95300 kern.err: ehci_hcd 0000:00:1d.7: dev 6 ep1in scatterlist error -108/-108

David, does this error say anything to you?

	Regards
		Oliver