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

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Message-ID: <20170403182050.GA6555@amd>
Date:   Mon, 3 Apr 2017 20:20:50 +0200
From:   Pavel Machek <pavel@....cz>
To:     Frederic Weisbecker <fweisbec@...il.com>
Cc:     Alan Stern <stern@...land.harvard.edu>,
        torvalds@...ux-foundation.org,
        kernel list <linux-kernel@...r.kernel.org>,
        linux-usb@...r.kernel.org, gregkh@...uxfoundation.org,
        bhelgaas@...gle.com, linux-pci@...r.kernel.org
Subject: Re: v4.10-rc8 (-rc6) boot regression on Intel desktop, does not boot
 after cold boots, boots after reboot

> > > > > ...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.

									Pavel

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

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