On Mon, 1 Sep 2014, Mathias Nyman wrote: > On 09/01/2014 12:36 PM, Ricardo Ribalda Delgado wrote: > > After some time of use (one hour or so) my system started to behave > > "weird". I did check dmesg and I was receiving the following line > > again and again: > > > > usb-storage: Error in queuecommand_lck: us->sfb= ffff8805bd61ccc0 This is probably caused by some transfer not occurring correctly. With a usbmon trace we could see what was going on. > > I did disconnect the usb device and the whole computer crashed :S > > > > Ok, thanks. > > Would you say things work better after the patch? > > I still think the patch solves part of the issue, i.e. how we handle halted endpoints > in reset, but I don't know the reason why the endpoints stall in the first place The endpoint stall occurs because the device's protocol requires the endpoint to stall. The reason doesn't matter; xhci-hcd should handle stalls correctly whenever they occur. 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
