[ltp] Thinkcentre M51 USB hotplug issue

[Jason Brooks]

sounds like a problem with fuse (a user accessible mount system). Make
sure the users that are logged in and can't mount a thumb drive have
access to it. Also check to make sure the media directory doesn't have
a permission problem.

Check your logs:
tail -f /var/log/messages

dmesg

lsusb

It may tell you why it didn't mount. Give you a clue.

My opinion is it is a permission problem or a unclean device that just
needs to be scandisked or something

You can also login as root. See if it mounts as root. That will tell
you right away if it is a permission thing.

On Sun, Nov 14, 2010 at 5:55 AM, Nate Bargmann <n0nb@n0nb.us> wrote:
> I realize this is the Thinkpad list but there are some very knowledgable
> folks on this list so I'll ask anyway. =C2=A0:-)
>
> I have a second hand ThinkCentre M51 (8143-34U) that overall works very
> well except it has an oddity with hotplugging USB devices into any of
> the built in USB ports, the kernel never sees the event. =C2=A0I have a P=
CI
> USB 2.0 board installed from which the hotplug events are seen and a USB
> pen is mounted. =C2=A0The only problem is that it's around back and it's =
much
> handier to use the ports on the front. =C2=A0More oddly, is that the main
> motherboard ports, both on the front and rear do work, but the kernel
> sees the devices only upon system start. =C2=A0After the system is starte=
d
> it's as though the ports are disabled to new insertions. =C2=A0For exampl=
e, I
> have a USB mouse plugged into the motherboard ports that works without
> issue as it is installed on system start, but inserting a USB pen does
> nothing.
>
> How might one go about troubleshooting this? =C2=A0I am running an up-to-=
date
> Debian Sid system with kernel 2.6.32. =C2=A0I have also tried testing oth=
er
> distributions and the results are the same so I suspect there is some
> hardware issue and I have checked and rechecked any BIOS settings and
> all seem correct. =C2=A0I am using the latest BIOS update from 1 Feb 2008=
.
>
> - Nate >>
>
> --
>
> "The optimist proclaims that we live in the best of all
> possible worlds. =C2=A0The pessimist fears this is true."
>
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> --
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>



--=20
JaY