From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [GIT PULL] urgent onenand file system corruption fix for n900 Date: Fri, 8 Jan 2016 09:01:38 -0800 Message-ID: <20160108170138.GU12777@atomide.com> References: <20160108163250.GT12777@atomide.com> <9046751.uROfOxQcxi@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <9046751.uROfOxQcxi@wuerfel> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Arnd Bergmann Cc: linux-omap@vger.kernel.org, arm@kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org * Arnd Bergmann [160108 08:50]: > On Friday 08 January 2016 08:32:50 Tony Lindgren wrote: > > Last minute urgent pull request to prevent file system corruption > > on Nokia N900. > > > > Looks like we have a GPMC bus timing bug that has gone unnoticed > > because of bootloader configured registers until few days ago. We > > are not detecting the onenand clock rate properly unless we have > > CONFIG_OMAP_GPMC_DEBUG set and this causes onenand corruption > > that can be easily be reproduced. > > > > There seems to be also an additional bug still lurking around for > > onenand corruption. But that is still being investigated and > > it does not seem to be GPMC timings related. > > > > Meanwhile, it would be good to get this fix into v4.4 to prevent > > wrong timings from corrupting onenand. > > > > Pulled into fixes, thanks. > > I'll try to get the fixes pull request out tonight, there are a > small number of other fixes. Great thanks! Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Fri, 8 Jan 2016 09:01:38 -0800 Subject: [GIT PULL] urgent onenand file system corruption fix for n900 In-Reply-To: <9046751.uROfOxQcxi@wuerfel> References: <20160108163250.GT12777@atomide.com> <9046751.uROfOxQcxi@wuerfel> Message-ID: <20160108170138.GU12777@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Arnd Bergmann [160108 08:50]: > On Friday 08 January 2016 08:32:50 Tony Lindgren wrote: > > Last minute urgent pull request to prevent file system corruption > > on Nokia N900. > > > > Looks like we have a GPMC bus timing bug that has gone unnoticed > > because of bootloader configured registers until few days ago. We > > are not detecting the onenand clock rate properly unless we have > > CONFIG_OMAP_GPMC_DEBUG set and this causes onenand corruption > > that can be easily be reproduced. > > > > There seems to be also an additional bug still lurking around for > > onenand corruption. But that is still being investigated and > > it does not seem to be GPMC timings related. > > > > Meanwhile, it would be good to get this fix into v4.4 to prevent > > wrong timings from corrupting onenand. > > > > Pulled into fixes, thanks. > > I'll try to get the fixes pull request out tonight, there are a > small number of other fixes. Great thanks! Tony