On Sun, Dec 23, 2012 at 02:35:49PM -0800, Linus Torvalds wrote: > Woody, > Any chance you can bisect this? It's not going to be hugely pleasant > (with 11k+ commits in between 3.7 and 3.8-rc1 you'll have to compile > and test at least 14 kernels), but it would help enormously. Of > course, maybe some USB person can guess what would cause the device to > go offline.. > > Added Greg and the linux-usb mailing list to the participants list: > the images are in the original email on lkml, but there isn't anything > particularly interesting there, it really just seems to be an > unexpected and spurious USB disconnect, resulting in "USB disconnect, > device number 2" followed by "Rejecting I/O to offline device". I don't see any images on lkml, sorry. The kernel log for when the disconnect happened would be great to get. The kernel can't cause a device to disconnect, that's an electrical thing usually, is this perchance a flaky device/connection? Or has it always worked on older kernels? What host controller is being used here (xhci, ehci, etc.?) thanks, greg k-h -- 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
