Messages in this thread | | | Date | Fri, 3 Feb 2017 16:59:05 -0500 (EST) | From | Alan Stern <> | Subject | Re: v4.10-rc6 boot regression on Intel desktop, does not boot after cold boots, boots after reboot |
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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
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