Re: Help diagnosing USB disk issue?
On Fri, 15 Mar 2013 11:33:43 -0700
Kelly Clowers <kelly.clowers@gmail.com> wrote:
> On Fri, Mar 15, 2013 at 11:09 AM, Brian Flaherty <bxf4@yahoo.com>
> wrote:
> > Hello,
> >
> > I have two laptops:
> > - Lenovo X201 running Debian unstable, kernel 3.2.0-4-amd64 (also
> > has 3.2.0-3-amd64 and 2.6.32-5-amd64)
> > - Thinkpad X31 running an out-of-date Debian unstable, kernel
> > 3.2.0-2-486 (haven't turned this one on in a while and consequently
> > haven't updated packages)
> >
> > Also have a 600GB LaCie external hard disk. When I plug the disk's
> > usb cable into the X201 (up-to-date), the laptop notices nothing.
> > The disk does start doing stuff, but no acknowledgment in dmesg or
> > lsusb. Plugged the disk in to a Mac machine, which recognized it.
> > On the mac, I reformatted it to vfat. Plugged it into the X201,
> > still no response on the computer.
> >
> > I plugged the same harddrive into my old X31 running the old kernel
> > and it recognized it as /dev/sdb1. I ran badblocks (for hours) and
> > it said everything was fine. I plugged it into the X201 and still
> > nothing.
> >
> > A further troubleshooting attempt, I noticed that on the X31,
> > uhci-hcd was in the list of loaded kernel modules. It wasn't on the
> > X201. I modprobed it, but still nothing. I rebooted the X201 to an
> > old kernel (2.6.32-5-amd64), but still nothing.
> >
> > Just to try again, I restarted X31, plugged in the harddrive and it
> > was recognized right away. I noticed that the X31 list of modules
> > had one called uas in the usb system. The module uas isn't in
> > 3.2.0-4, but is in 3.2.0-3, so I rebooted the X201 into kernel
> > 3.2.0-3, modprobed uas (and uhci-hcd, for good measure), but still
> > not recognizing the disk.
> >
> > Last, all this time, the X201 was in a docking station. I removed
> > it, rebooted and tried again, but still nothing from the X201 upon
> > connecting the harddrive.
> >
> > Any thoughts on what the problem is or how I can diagnose it?
> >
> > Thanks for your time!
>
> Have you tried it on different ports?
> Do other USB devices (flash drives, keyboard/mouse, etc) work in the
> port(s) you are trying this disk on?
> What do you get from lsusb, both plugged in and not?
>
> Cheers,
> Kelly Clowers
>
>
Did you try usbmount?
Cheers
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