From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Machek <pavel@ucw.cz>
Subject: Re: Droid 4 on 5.5-rc3
Date: Wed, 1 Jan 2020 23:02:37 +0100
Message-ID: <20200101220237.GA13059@amd>
References: <20191228162929.GA29269@duo.ucw.cz>
 <20191228193622.GA13047@duo.ucw.cz>
 <20191230173507.GM35479@atomide.com>
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To: Tony Lindgren <tony@atomide.com>
Cc: mpartap@gmx.net, merlijn@wizzup.org, martin_rysavy@centrum.cz, kernel list <linux-kernel@vger.kernel.org>, sre@kernel.org, nekit1000@gmail.com, linux-omap@vger.kernel.org, linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
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On Mon 2019-12-30 09:35:07, Tony Lindgren wrote:
> * Pavel Machek <pavel@ucw.cz> [191228 19:37]:
> > Hi!
> >=20
> > > 5.4-based kernel works ok on my droid 4.
> > >=20
> > > 5.5-rc3 based kernel has problems; it reboots when I try to kexec it.
> > >=20
> > > Vanilla 5.5-rc3 reboots, too.
> > >=20
> > > If you have any ideas, let me know.
> >=20
> > I managed to get partial serial dump. This should be 5.5-rc3: And then
> > a bit better serial dump (below). But it is silent for few seconds,
> > and then it restarts...
>=20
> If spi or regulators have problems, nothing will really work..

Hmmm. I'm too lazy to think. 5.4 is okay, 5.5-rc3 is broken... Let me
try 5.5-rc1 and then bisect. Unfortunately getting serial output is
tricky, too, since I need the USB for kexec...

If you know that there's known bug somewhere in 5.5-rc1, tell
me. Bisect can only locate one bug....

Best regards,
									Pavel

--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
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