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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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v4.10-rc6 boot regression on Intel desktop, maybe related to EHCI  hadnoff? Pavel Machek <pavel@ucw.cz> - 2017-02-03 20:10 +0100
  Re: v4.10-rc6 boot regression on Intel desktop, maybe related to  EHCI hadnoff? Alan Stern <stern@rowland.harvard.edu> - 2017-02-03 20:30 +0100
    Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-03 22:00 +0100
      Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-03 22:20 +0100
        Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Alan Stern <stern@rowland.harvard.edu> - 2017-02-03 23:00 +0100
          Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-03 23:50 +0100
            Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-04 09:50 +0100
              Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-04 18:00 +0100
              Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-12 13:10 +0100

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