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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=Xh8kC7tDwRZ3oCombv+wQzJ0Jdh8LpQciSTFin/m+b0=; b=g6lmeqdBag2bH6AK1GqX9vTR4YnKKosVCgzLOFwrvJF8m33bMjrfgydlNXQ+fat+FZ iwB/JzuiIbHeoM1Ql3HZgKxaCAMFec6O5BiewvSOZOLklBZB/0nX1m1Xhyl4yg8k9DNG 91DbDbu8+l7yFikR5ken9mFUEw/wc99ws4mD483ZEsiSfildYB1quauXnGNgkqIPMqMx Bfk5qLPL6rONrX8xJt7QZR5Q1V9QqwOYURyQ6HJLG+tNRbN0jDr3FnQAaNNqNKMthJAm 9fOAoqGPoRnfU0TUqrLcqDrzJaH7YxxVnRi/gaQMB7b6R9ABQE0U20hLaexTPfzVepAR v1jw== X-Gm-Message-State: APjAAAWduBl6F+PudkAqNZAPmhpQHRklrAJlpiMm9G6Sq2nMOUenLg0s 6BUoJpU1Xll7byLz3KaI5wCU7Kqhg06eFPuxF5Q= X-Google-Smtp-Source: APXvYqxN0VwyRPHnGAy1FeK7cYQ4W8LLP9rcQyoTKIBQ5HpgUh7O32Nd+C9FmssP7QWy7/LdEdE/oSKkanGRHSOOWH0= X-Received: by 2002:a1c:8086:: with SMTP id b128mr15493568wmd.104.1574416391389; Fri, 22 Nov 2019 01:53:11 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Richard Weinberger Date: Fri, 22 Nov 2019 10:53:00 +0100 Message-ID: Subject: Re: mtd-utils io_paral test fails on NAND To: Otto Blom X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191122_015314_699847_27000CF3 X-CRM114-Status: GOOD ( 10.97 ) 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 On Thu, Nov 21, 2019 at 8:54 PM Otto Blom wrote: > > Hello All ! > > A couple of updates on this problem. Turns out io_read also fails in > the same way as io_paral - A page of data comes back as all zeros. > Interestingly I added a retry option to see if it is a read or write > problem and turns out every single time so far the data is correct > when I read it a second time. > > In summary when I run runubitests.sh it passes about 70% of the time, > io_paral fails 25% and io_read the remaining 5% > > Any recommendations on what to try next ? Test one layer deeper. e.g. flash_readtest. -- Thanks, //richard ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/