On Sat, 17 Feb 2007, Berck E. Nash wrote:
> > Hah! Here's an example of the bogus errors showing up in that log:
> >
> > [ 147.441431] usb-storage: probe of 1-1:1.0 failed with error -5
> > [ 147.447431] usb-storage: probe of 1-2:1.0 failed with error -5
> > [ 147.453375] usb-storage: probe of 1-2:1.1 failed with error -5
> > [ 147.459333] usb-storage: probe of 2-1:1.0 failed with error -5
> > [ 147.465290] usb-storage: probe of 2-2:1.0 failed with error -5
> > [ 147.471220] usb-storage: probe of 3-1:1.0 failed with error -5
> >
> > This is obviously a failure of the USB ID-matching code. Greg, it is
> > exactly the bug which this patch was intended to fix:
> >
> > http://marc.theaimsgroup.com/?l=linux-usb-devel&m=117095792821522&w=2
> >
> > (Berk, you can see if that patch solves your problem.)
>
> I would gladly do so, only... I can't seem to make the bug reappear. I
> booted 2.6.20-mm1 again to get the extra info, and thought I would try
> plugging in devices one by one to see what was causing the problem, but
> I cannot get it to come back. This is odd, considering it happened at
> least 5 times in a row when I was gathering the logs for the first bug
> report.
It may have to do with the order in which you plug in the devices. And
the symptoms may still show up in the dmesg log without actually causing
an oops. The usb-storage errors quoted above, for instance, are a dead
giveaway.
> I would attach /proc/bus/usb/devices, but /proc/bus/usb is an
> empty directory?
Probably your distribution doesn't mount it by default. Do:
mount -t usbfs none /proc/bus/usb
Alan Stern
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