My computer completely freezes. Sadly I can't test ssh. Also I use USB mouse and keyboard. Google Nexus 4 is an MTP mass storage device. I can try to compile a kernel but I'm relatively new to Linux. 2013/7/24 Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>: > On Wed, Jul 24, 2013 at 08:25:18AM -0700, Sarah Sharp wrote: >> On Wed, Jul 24, 2013 at 03:39:01PM +0200, Vincent Thiele wrote: >> > Nexus 4 causes system hang (xhci_hcd): >> >> It helps if you Cc the xHCI driver maintainer (me) on bug reports. >> Otherwise you run the risk of getting lost in my inbox. :) >> >> > When I connect my Nexus 4 to the USB-Port (Front USB 3.0) the whole >> > system hangs. Sometimes it starts working again after a short time. >> > But often I need to press the reset button. >> > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203453 >> >> When you say "hang" what do you mean? >> >> Does the computer completely freeze, so that you can't ssh into it? Or >> does all the USB devices simply stop working? (Note, if you've got a >> USB mouse and keyboard attached to the system, it will be hard to figure >> out if the xHCI driver has died or the system is actually hung unless >> you can ssh into the box.) >> >> What type of USB device is the Nexus acting as? Is it an MTP mass >> storage device, or an ethernet device? >> >> First, please send me dmesg from the times when it doesn't hang, but >> starts working again. It would be most useful for me if you could >> recompile your kernel with CONFIG_USB_DEBUG and >> CONFIG_USB_XHCI_HCD_DEBUGGING turned on, and then attempt to capture a >> "hang". > > Also, if you need directions for how to compile a custom kernel, please > follow this, and clone Linus' latest -rc kernel: > > http://kernelnewbies.org/KernelBuild > > Sarah Sharp -- 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