From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: 4.5-rc0 regression: GPRS breaks after very short while Date: Wed, 18 May 2016 22:12:51 +0200 Message-ID: <20160518201251.GA22015@amd> References: <20160518074924.GA20652@amd> <20160518141624.GA8025@earth> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160518141624.GA8025@earth> Sender: linux-kernel-owner@vger.kernel.org To: Sebastian Reichel Cc: pali.rohar@gmail.com, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org, aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com List-Id: linux-omap@vger.kernel.org Hi! > On Wed, May 18, 2016 at 09:49:24AM +0200, Pavel Machek wrote: > > 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. > > I only send three modem related changes for v4.5: > > https://git.kernel.org/cgit/linux/kernel/git/sre/linux-hsi.git/commit/?h=hsi-for-4.5&id=525e1abc6b5a7d8bd9006de1da6e99722305ea2b > HSI: omap_ssi: fix handling ida_simple_get result > > https://git.kernel.org/cgit/linux/kernel/git/sre/linux-hsi.git/commit/?h=hsi-for-4.5&id=6bf6ded3008a407ccab5ad72eb59ab71b97cc290 > HSI: omap_ssi_port: fix handling of_get_named_gpio result > > https://git.kernel.org/cgit/linux/kernel/git/sre/linux-hsi.git/commit/?h=hsi-for-4.5&id=403c5c0650816375527a6feecfb255d9b494dda3 > HSI: Remove struct hsi_client private fields from kernel-doc > > The last one only changes a comment, so not relevant, the other > two fix error handling during initialization and are most likely > also not the problem. Can you try to bisect the problem? It will not be fun, but I guess it is doable. But before I start it would be good to know -- does it work for you? Thanks and best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html