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Thu, 17 Sep 2020 05:57:17 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.gtsys.com.hk (Postfix) with ESMTP id D4C54200261F; Thu, 17 Sep 2020 13:56:59 +0800 (HKT) X-Virus-Scanned: Debian amavisd-new at gtsys.com.hk Received: from mail.gtsys.com.hk ([127.0.0.1]) by localhost (mail.gtsys.com.hk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wY03vG_ytwUG; Thu, 17 Sep 2020 13:56:59 +0800 (HKT) Received: from s01.gtsys.com.hk (unknown [10.128.4.2]) by mail.gtsys.com.hk (Postfix) with ESMTP id B45CA22BA55F; Thu, 17 Sep 2020 13:56:59 +0800 (HKT) Received: from [10.128.2.32] (unknown [124.217.188.80]) by s01.gtsys.com.hk (Postfix) with ESMTPSA id 8E791C01B6B; Thu, 17 Sep 2020 13:56:59 +0800 (HKT) To: Chao Yu , linux-f2fs-devel@lists.sourceforge.net References: <284f77a4-9e6f-ebd7-1f35-4e907cc590ca@huawei.com> <7ba740b2-76c5-b92a-37a5-c7641d9c7474@gtsys.com.hk> From: Chris Ruehl Message-ID: Date: Thu, 17 Sep 2020 13:56:58 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Headers-End: 1kImuu-00Dhp9-PF Subject: Re: [f2fs-dev] F2fs failed on fresh installation 1st boot X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 14/9/2020 3:55 pm, Chao Yu wrote: > Hi Chris, > > On 2020/9/14 15:38, Chris Ruehl wrote: >> I must say sorry for the noise, I checked the Ram and CPU, we have a bad >> RAM which can't follow the 992Mhz and causes the problem, once limit the >> CPU speed to 800Mhz the problem is gone. Both 4.9 & 5.4 > > Okay, out of curiosity, the frequency 992Mhz has exceed the frequency limitation > of RAM? Its a problem with the PCB, not the RAM and the frequency. We take out the CPU for investigation and found some aging on the balls and pads. Likely to much humidity. > >> >> Please consider this bug as false-positive. > > Alright, let us know if you have any issue on f2fs use. > > Thanks, we have new rollout on rk3399 with ddr4 and 8G eMMC 5.4 - 8 bit bus tests run with 4.9 4.19 and 5.4 plus rt patch, no problems here. > >> >> >> Regards >> Chris >> . >> -- GTSYS Limited RFID Technology 9/F, Unit E, R07, Kwai Shing Industrial Building Phase 2, 42-46 Tai Lin Pai Road, Kwai Chung, N.T., Hong Kong Tel (852) 9079 9521 Disclaimer: https://www.gtsys.com.hk/email/classified.html _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel