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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9GlZ30mVYJacTeb3O+3rFrM/EIjSay3k70MKr0AYksM=; b=SgO6Dd7eToQWgWHrtDmpHVuoINPeJQCHm8T4ltAZuDOrOGQ4ZhcdXoeEF7UUvAKdht quMKfHrS2rSoIYbjrpQmu5h6nW6LAHaH9D8PAKQJsMr9Z5VtuKBmc9XvHzaGb9Bu1Mja cIcT/MTjo/VPK0I/u3SciZPYwKbguJE2ne4XcFfLhltXPPV4H3sOrzPYeFnS+6++AORB dqcpGLytgqwpNaRJ8+dl2JB6ke0ksslx7auaapjY/r09FU4DXEliyO/aBlQ0DwD9xbsE Gre6qg5xtjfO+egSDhwur8/NwnP/xEQGpwpiT6rL5eTDK6gKX1H9FgGVjS0QvohMkcVw SP/g== X-Gm-Message-State: APjAAAXIAgCaGfoUtmsYuXn2+SZ1wuxjp2qjeqKAIxjXAUHposO/xUVl Y5wfm1vJTdfBbiqZSMF2qF6zE2PtSn6LQevtNOg= X-Google-Smtp-Source: APXvYqxJh10FqymspDK7kuw3Z1YOL50yOieKeDygsJI6CVdmBLbnrjItkq3PLxK2E3i30mWuvELiYxUFKESalAtmm/o= X-Received: by 2002:a2e:9b57:: with SMTP id o23mr1012596ljj.67.1564762506135; Fri, 02 Aug 2019 09:15:06 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Sergeant Peppercorn Date: Fri, 2 Aug 2019 09:14:55 -0700 Message-ID: Subject: Re: UBIFS ECC errors To: Richard Weinberger X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190802_091508_433777_D262240C X-CRM114-Status: GOOD ( 11.63 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mtd@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Hi, many thanks for the reply. I have seen posts on bitflips in empty space issues before, but don't remember seeing any fixes. Does this mean the kernel UBI drivers must be patched? Can you elaborate on what fixes or where to find patches, etc, or what to do about this, then? All I care about is getting this to work, and hopefully without needing to reformat the root file system on 50,000 units in the field. Kind regards On Thu, Aug 1, 2019 at 1:04 AM Richard Weinberger wrote: > > On Wed, Jul 31, 2019 at 6:24 PM Sergeant Peppercorn > wrote: > > UBIFS error (pid 1): ubifs_recover_leb: corrupt empty space LEB > > 7:2048, corruption starts at 2241 > > This is a good hint. Can it be that your empty space shows bitflips? > In the last years many drivers needed fixes to deal with btiflips in empty space > since ECC cannot fix these. > > -- > Thanks, > //richard ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/