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Binary package hint: virt-manager
In 10.04, at least, when adding a device, the second half of lsusb's output is
interpreted as decimal, when it is in fact hexidecimal.
As a result, to make a USB passthrough device work, I had to edit the XML file
from 0x1d0b (which virt-manager filled in) to 0x7435 for my Sansa Clip (as well
as enabling USB in /etc/apparmor.d/abstractions/libvirt-qemu, of course). This
is a bug. lsusb's output is hex.
That is to say, virt-manager took lsusb on the host's 0781:7435 and made
it 0781:1d0b. Naturally this did not match anything on the host, so the
guest got nothing.
I imagine this is not something that would be noticed for devices where
the second half is 1 or 2, but for this device it mattered.
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: conversion hexidecimal usb
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USB passthrough device ID interpreted as decimal instead of hex
https://bugs.launchpad.net/bugs/514610
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