On Tue, 2010-01-12 at 15:58 +0000, samwise wrote:
Hi, all.
Got a new hardware issue that I'm not really sure where to start debugging.
...
However after upgrading to Squeeze (kernel version 2.6.30-2), which involved several kernel upgrades and an upgrade from KDE 3 to 4 plus swapping out the motherboard and graphics card at around the same time (I know, I know - I just didn't test absolutely everything between upgrades), I've come back and discovered the USB adaptors are no longer recognised, though they do have power lights etc. when plugged into the computer. I've tried both in a Windows PC and they work, so it's not a hardware fault. Also, I have a new PC USB joystick which /does/ work with the new KDE 4 setup, and is automatically recognised in the KDE 4 Control Center.
This may be a complete red herring but is this an NVIDIA chipset motherboard. I have trouble with one such motherboard and USB - anything that requires lots of USB bandwidth fails in some way or another. There are cases mentioned on Google and I assume this a bug or quirk in the hardware that the kernel does not (yet) work around adequately.
Steve.