Messages in this thread | | | Date | Sat, 4 Feb 2017 09:48:56 +0100 | From | Pavel Machek <> | 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 2017-02-03 23:43:09, Pavel Machek wrote: > On Fri 2017-02-03 16:59:05, Alan Stern wrote: > > 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. > > Yep. I'm hoping PCI people speak up.... adding printks there should be > possibility, too. > > (And I guess I should remove you and usb people from the cc-list... in > the next mails). > > (I verified it happens with 32bit configuration, too, FWIW).
v4.10-rc1 seems to work.
Pavel
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