On 31.10.2012 15:54, Alan Stern wrote: > On Fri, 26 Oct 2012, Sarah Sharp wrote: > > > On Fri, Oct 26, 2012 at 03:01:32PM -0700, Sarah Sharp wrote: > > > The USB core isn't dropping the endpoints before it calls > > > xhci_check_bandwidth. I remember running into this bug a while back, > > > and I even started on a fix, but then couldn't reproduce the problem. > > > I found the branch with the old fix on it, but it still needs a bit of > > > work. I'll send you a patch on Monday. > > > > Matthias, can you try the attached patch? You should be able to echo 1 > > to the configuration file after this is applied. > > Matthias, here's a different patch to fix the same bug. Can you try it > out in place of Sarah's patch? I've updated to 3.7-rc3, Sarah's patch removed your patch added. The last bit of dmesg: [ 86.420469] usb 3-1: khubd timed out on ep0out len=0/0 [ 86.420476] xhci_hcd 0000:04:00.0: xhci_check_bandwidth called for udev ffff88010f117c00 [ 86.420481] usb 3-1: can't set config #1, error -110 echo 1 >/sys/bus/usb/devices/3-1/bConfigurationValue [ 101.146889] xhci_hcd 0000:04:00.0: Trying to add endpoint 0x81 without dropping it. [ 101.148004] xhci_hcd 0000:04:00.0: xhci_reset_bandwidth called for udev ffff88010f117c00 It didn't work. Bis denn -- Real Programmers consider "what you see is what you get" to be just as bad a concept in Text Editors as it is in women. No, the Real Programmer wants a "you asked for it, you got it" text editor -- complicated, cryptic, powerful, unforgiving, dangerous. -- 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
