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Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot after cold boots, boots after reboot

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On Wed 2017-04-12 17:08:35, Frederic Weisbecker wrote:
> On Mon, Apr 03, 2017 at 08:20:50PM +0200, Pavel Machek wrote:
> > > > > > > ...1d.7: PCI fixup... pass 2
> > > > > > > ...1d.7: PCI fixup... pass 3
> > > > > > > ...1d.7: PCI fixup... pass 3 done
> > > > > > > 
> > > > > > > ...followed by hang. So yes, it looks USB related.
> > > > > > > 
> > > > > > > (Sometimes it hangs with some kind backtrace involving secondary CPU
> > > > > > > startup, unfortunately useful info is off screen at that point).
> > > > > > 
> > > > > > Forgot to say, 1d.7 is EHCI controller.
> > > > > > 
> > > > > > 00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI
> > > > > > Controller (rev 01)
> > > > > 
> > > > > Ok, I should have access soon to a EeePc 1015CX (which seem to have this controller).
> > > > > I hope I'll be able to reproduce the issue there. If not, I'm sorry but I'll have to
> > > > > burden you again :-)
> > > > 
> > > > Go through more mails. It is only reproducible after cold boot. .. so
> > > > I doubt it will be easy to reproduce on another machine.
> > > > 
> > > > Now... I do have serial port, and I even might have serial cable
> > > > somewhere, but.... Giving how sensitive it is, it is probably going to
> > > > go away with console on ttyS...
> > > 
> > > I also tried on an eeepc (which has ICH7/NM10 as well), with your config.
> > > I even plugged a usb keyboard but even then I have been unable to
> > > reproduce either :-(
> > 
> > Ok, give me some time. I'm no longer using the affected machine, so no
> > promises.
> 
> Actually someone reported me a very similar issue than yours lately. It's probably
> the same. And I have a potential fix.

Got the machine back to work -- I guess it will be useful for distcc.

And yes, you seem to have right fix :-). 

Tested-by: Pavel Machek <pavel@ucw.cz>

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot  after cold boots, boots after reboot Frederic Weisbecker <fweisbec@gmail.com> - 2017-04-12 17:10 +0200
  Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot  after cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-04-15 23:40 +0200
    Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot  after cold boots, boots after reboot Frederic Weisbecker <fweisbec@gmail.com> - 2017-04-20 17:00 +0200

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