On Sun, 2 Oct 2011, Tim Blechmann wrote: > > > i am not sure, whether it is really problem of the usb subsystem or with > > > some other layer, but i am regularly experiencing problems with usb > > > devices. searching on the lkml, i came across a very similar problem > > > and the only common point is that it also mentions the usb_hcd_irq > > > interrupt handler [1]. > > It's easy enough to test. Unload the various drivers using that IRQ, > > one at a time, until the problem stops occurring. > > ok, after first unloading the snd-hdsp driver, it still produces an error, All this proves is that snd-hdsp isn't the cause of the problem. > although this time in the bad interrrupt comes from ahci: No. You can't tell where the bad interrupt comes from. > > > how can i help to resolve this issue? > > > > If you remove ohci-hcd and uhci-hcd but the problem remains, then > > you'll know it's not related to USB. > > not sure, whether this is an option for me, as i am using usb mouse/keyboard > ... so i cannot use the machine anymore :/ Sure you can. Just log in over a network connection. Or get a USB-2.0 hub and plug the mouse/keyboard into that hub. 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
