Am Donnerstag, 3. Dezember 2009 01:58:46 schrieb Justin P. Mattock: > >> Now looking at dmesg I see: > >> > >> [ 413.551845] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) > >> -> IRQ 23 > >> [ 413.551855] uhci_hcd 0000:00:1d.0: setting latency timer to 64 > >> [ 413.551887] usb usb2: root hub lost power or was reset > > > > Is that unexpected? It seems reasonable to me.. > > honestly I can't remember seeing this or not. > if this is normal then I'll leave it as is. This happens if your system cuts power to USB during S2. It trades a small reduction in energy consumption against losing support for all devices whose drivers don't support reset_resume(). This is a design feature of your system or BIOS, not a bug. Regards Oliver -- 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