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Old 02-07-2008, 02:36 PM
Rafael
 
Default Bug#464551: general: USB devices missing in lsusb

Package: general
Severity: normal

Some of the USB devices I have, are missing in lsusb list, this ussue is in Testing and
Unstable.
In Ubuntu Linux and Debian Etch all my devices are listed.
I have done some tests:
I start Debian.
I run lsusb and i see my three USB devices listed: scanner, modem and mouse.
Now I plug USB media storage.
I run again lsusb and storage media is not listed, but it is recognised by dmesg and working
well.
I reboot Debian without unplug USB media storage.
Now I run lsusb.
I now see listed mouse, media storage and scanner, but now modem is missing from the list.
Now I plug other device: Game Pad Saitek P880
I run again lsusb and game pad is not listed, but it is working as well.
There are now two devices: modem and game pad pluged to USB, that are not listed in lsusb.


Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686 (SMP w/1 CPU core)
Locale: LANG=es_ES.UTF-8, LC_CTYPE=es_ES.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash



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Old 02-07-2008, 03:14 PM
"Alexander E. Patrakov"
 
Default Bug#464551: general: USB devices missing in lsusb

Rafael wrote:

Package: general
Severity: normal

Some of the USB devices I have, are missing in lsusb list, this ussue is in Testing and
Unstable.

In Ubuntu Linux and Debian Etch all my devices are listed.


I suspect that there is some problem with udev (assuming that you have done your
tests as root). To confirm or disprove my theory, please provide the output of
the following two commands:


find /proc/bus/usb

find /dev/bus/usb

before and after plugging in your new USB devices.

--
Alexander E. Patrakov



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Old 02-07-2008, 03:49 PM
Bas Wijnen
 
Default Bug#464551: general: USB devices missing in lsusb

On Thu, Feb 07, 2008 at 09:14:09PM +0500, Alexander E. Patrakov wrote:
>> Some of the USB devices I have, are missing in lsusb list, this ussue
>> is in Testing and Unstable.
>> In Ubuntu Linux and Debian Etch all my devices are listed.
>
> I suspect that there is some problem with udev (assuming that you have
> done your tests as root).

Actually, I find this interesting as well: when I run lsusb as user, I
don't see all devices. When I then run it as root, I do. When after
that I run it as user, I see them as well. Your comment suggests that
this is normal. Why would this behaviour be good?

Thanks,
Bas

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Old 02-07-2008, 03:52 PM
Tzafrir Cohen
 
Default Bug#464551: general: USB devices missing in lsusb

On Thu, Feb 07, 2008 at 05:49:37PM +0100, Bas Wijnen wrote:
> On Thu, Feb 07, 2008 at 09:14:09PM +0500, Alexander E. Patrakov wrote:
> >> Some of the USB devices I have, are missing in lsusb list, this ussue
> >> is in Testing and Unstable.
> >> In Ubuntu Linux and Debian Etch all my devices are listed.
> >
> > I suspect that there is some problem with udev (assuming that you have
> > done your tests as root).
>
> Actually, I find this interesting as well: when I run lsusb as user, I
> don't see all devices. When I then run it as root, I do. When after
> that I run it as user, I see them as well. Your comment suggests that
> this is normal. Why would this behaviour be good?

It isn't. http://bugs.debian.org/444809

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