On Fri, 3 Feb 2017, Pavel Machek wrote: > Hi! > > > > > Hmm. I moved keyboard between USB ports, and now 4.10-rc6 no longer > > > > boots. v4.6 works ok. Let me try with keyboard unplugged... no, I > > > > could not get it to work. I believe v4.9 and some v4.10-rc's worked, > > > > but I'll have to double check. > > > > > > But all the kernel versions worked when the keyboard was plugged into > > > its original USB port? > > > > Aha. So it looks difference is probably in "where is keyboard plugged > > in" but in "reboot" vs. "cold boot". I did not do a cold boot in quite > > a while :-(. > > > > Booting to grub, then hitting ctrl-alt-del is enough to make it work. Ouch. > > > > It happens with current Linus' tree. > > v4.10-rc6-feb3 : broken > v4.9 : ok > (v4.6 : ok) All I can suggest is git bisect. :-( But I agree that the problem is unlikely to be in the USB layer. 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
