From mboxrd@z Thu Jan 1 00:00:00 1970 From: marek.vasut@gmail.com (Marek Vasut) Date: Fri, 1 Oct 2010 02:15:09 +0200 Subject: pxa3xx_nand issues In-Reply-To: <201009271939.04710.pieterg@gmx.com> References: <201009221912.24905.pieterg@gmx.com> <201009271550.50399.pieterg@gmx.com> <201009271939.04710.pieterg@gmx.com> Message-ID: <201010010215.09514.marek.vasut@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dne Po 27. z??? 2010 19:39:04 pieterg napsal(a): > On Monday 27 September 2010 15:50:50 pieterg wrote: > > On Monday 27 September 2010 14:22:37 Lei Wen wrote: > > > Does your jffs2 image make correct? Page size and block size set right? > > > > I think so. > > --eraseblock=0x20000 --pad --no-cleanmarkers > > Well... that caused most of my problems. > --pad means pad to eraseblock size, not pagesize. > So the first writes in the new filesystem would cause pages in that last > eraseblock to be overwritten. > With SLC I always got away with that, but with MLC, clearly not. > > (now I'm still left with lots of singlebit errors, and occasional jffs2 CRC > errors, pxa3xx_nand was obviously not meant to deal with such low quality > MLC, no action is taken on bit errors, but at least everything can be > explained now) > > Thanks everybody for helping me find the cause of this problem. So this is closed? btw. wont ubifs be better choice for such a big flash ? Cheers > > Rgds, Pieter > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel