On Wed, 11 Mar 2009, Natale Vinto wrote: > 2009/3/11 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > > On Wed, 11 Mar 2009, Natale Vinto wrote: > > > >> Hi, > >> I could see that on a ubuntu with its generic kernel 2.6.28-8 any hub > >> works properly, so I think maybe I should fix something in the kernel > >> but what? Is strange because the problem there is with the last > >> 2.6.28.7 from kernel.org, and not in the ubuntu jaunty one > > > > The configuration options used to build those kernels may be different. > > Do they have CONFIG_USB_EHCI_TT_NEWSCHED enabled? > > > > Alan Stern > > > > > Yes I could see it in .config > > CONFIG_USB_EHCI_TT_NEWSCHED=y You could try building a kernel with CONFIG_USB_DEBUG; there might be some useful information in the dmesg log. You can also see what /proc/bus/usb/devices says (you might have to mount /proc/bus/usb first: "mount -t usbfs none /proc/bus/usb"). 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
