From: Tony Lindgren <tony@atomide.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-omap@vger.kernel.org, arm@kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [GIT PULL] urgent onenand file system corruption fix for n900
Date: Fri, 8 Jan 2016 09:01:38 -0800 [thread overview]
Message-ID: <20160108170138.GU12777@atomide.com> (raw)
In-Reply-To: <9046751.uROfOxQcxi@wuerfel>
* Arnd Bergmann <arnd@arndb.de> [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
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [GIT PULL] urgent onenand file system corruption fix for n900
Date: Fri, 8 Jan 2016 09:01:38 -0800 [thread overview]
Message-ID: <20160108170138.GU12777@atomide.com> (raw)
In-Reply-To: <9046751.uROfOxQcxi@wuerfel>
* Arnd Bergmann <arnd@arndb.de> [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
next prev parent reply other threads:[~2016-01-08 17:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 16:32 [GIT PULL] urgent onenand file system corruption fix for n900 Tony Lindgren
2016-01-08 16:32 ` Tony Lindgren
2016-01-08 16:49 ` Arnd Bergmann
2016-01-08 16:49 ` Arnd Bergmann
2016-01-08 17:01 ` Tony Lindgren [this message]
2016-01-08 17:01 ` Tony Lindgren
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