On Tue, 7 Jul 2009, Michael S. Zick wrote: > On Tue July 7 2009, Alan Stern wrote: > > On Tue, 7 Jul 2009, Michael S. Zick wrote: > > > > > > It looks like there's a serious problem in your UHCI hardware. > > > > According to the log you posted, it's not working at all. > > > > > > > > > > I am using the x86-generic drivers - - > > > > Not a problem with the drivers, a problem in the hardware. > > > > Or hardware that works as the manufacturer intended, but differently > than expected. Same difference as "broken" when compared to "standard". No, hardware that doesn't work at all. As in "all reads return 0xffffffff" -- that's just a guess but something like it would account for what you saw. For more information enable CONFIG_USB_DEBUG and CONFIG_DEBUG_FS, then see what's sitting in the usb/uhci/* files in debugfs. > Let me see if I can find it again; > 1106:3038 translates to: PCI_DEVICE_ID_VIA_82C586_2 > 1106:3104 translates to: PCI_DEVICE_ID_VIA_8235_USB_2 > > The first appears in (this device is the UHCI hub in the CX700 chipset): > arch/powerpc/platforms/85xx/mpc85xx_cds.c: case PCI_DEVICE_ID_VIA_82C586_2: > arch/mips/pci/fixup-lm2e.c:DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, > include/linux/pci_ids.h:#define PCI_DEVICE_ID_VIA_82C586_2 0x3038 Those are simple interrupt routing fixups. Not related. > The second appears in: > include/linux/pci_ids.h:#define PCI_DEVICE_ID_VIA_8235_USB_2 0x3104 > <Hmm... Dead? Not used? Never used? Source padding?> Probably never used. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
