Hi! Same problem for me:
Acer Aspire 1355LM # lspci 00:00.0 Host bridge: VIA Technologies, Inc. VT8378 [KM400/A] Chipset Host Bridge 00:01.0 PCI bridge: VIA Technologies, Inc. VT8235 PCI Bridge 00:07.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02) 00:08.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link) 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) 00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge 00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50) 00:11.6 Communication controller: VIA Technologies, Inc. AC'97 Modem Controller (rev 80) 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74) 01:00.0 VGA compatible controller: VIA Technologies, Inc. VT8378 [S3 UniChrome] Integrated Video (rev 01) Last kernel work was 2.6.16-1-k7 (I'm using it now), in 2.6.16-2-k7, USB 2.0 stop working. I'm using a external USB-IDE harddisk and with recent kernel can't use it at 2.0 mode. I remember that this was a bug in kernel < 2.6.5 (don't remember exact version, sorry) and if put "pci=noacpi" in grub options, all work OK. Bug was solved in 2.6.11 (don't remember exact, sorry) This trick don't work in 2.6.17-1-k7 or 2.6.16-2-k7. -- http://soleup.eup.uva.es/mariodebian
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