linux-kernel - 4.5-rc0 regression: GPRS breaks after very short while

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Message-ID: <20160518074924.GA20652@amd>
Date:	Wed, 18 May 2016 09:49:24 +0200
From:	Pavel Machek <pavel@....cz>
To:	pali.rohar@...il.com, sre@...nel.org,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
	patrikbachan@...il.com, serge@...lyn.com
Subject: 4.5-rc0 regression: GPRS breaks after very short while

Hi!

I was afraid another GSM chip desoldered itself in N900, but no, it
seems to be software this time.

In 4.4, GPRS is rock solid, can survive overnight ping.

In 4.5-rc0 and v4.6, modem fails when I use gprs for like a
minute. Phone is not usable.

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