Buffer I/o Error On Device Sda2 Logical Block
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Buffer I O Error On Device Sr0 Logical Block
rise to the top Buffer I/O errors up vote 0 down vote favorite I notice that when I unmount my external HDD I sometimes getting messages in my logs which saying: Buffer I/O error on device sdX, logical block XX Where the X stands for the device for example: sdc. How I seriously do I have to take these messages since the device only spewing this messages when I buffer i o error on device sdc1 logical block unmount it, when I mount and use it I don't get any messages and the device works fine at this point as far I can see. mount external-hdd share|improve this question asked Nov 18 '14 at 1:39 Allard 1616 Hard to know without more information. I suggest you run fsck on the partition(s) and use smartmontools smartctl -a /dev/sda or smartctl -H /dev/sda change sda to your hard drive –bodhi.zazen Nov 18 '14 at 2:10 I have 2 external HDD's. One was able to give me info about the smart. dropbox.com/s/81nndc10yqy5ux8/smart%20first%20hdd.txt?dl=0 –Allard Nov 18 '14 at 12:58 The one that is giving the messages ? Is it healthy ? –bodhi.zazen Nov 18 '14 at 13:00 Those results look alright, see thomas-krenn.com/en/wiki/SMART_tests_with_smartctl –bodhi.zazen Nov 18 '14 at 13:08 The second drive I had to use in Windows and check with CrystalDiskInfo for the smart status. Note that this is a Seagate Disk. dropbox.com/s/v6bj2x4l1epao9z/smart%20hdd%202.png?dl=0 –Allard Nov 18 '14 at 13:10 | show 2 more comments 3 Answers 3 active oldest votes up vote 0 down vote Typically, this buffer issues can be indicative of a pending HDD failure. However, it is best to test the drive and v
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn http://stackoverflow.com/questions/19114155/buffer-i-o-error-on-device-sda2-logical-block-66326416 more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users https://github.com/raspberrypi/linux/issues/777 Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Buffer I/O error on device sda2, logical block 66326416 up vote -1 down vote favorite I have a linux image customized based on Centos 5.8 This linux-image error on was installing well till recently. Of late, the installation is failing with the error: "Buffer I/O error on device sda2, logical block 66326416" and series of such messages displayed on screen, causing the installation to fail. Found this failure is observed for a new set of seagate HDDs. On the same server with new Seagate HDD, RHEL5 is installed successfully (ruling out HDD hardware error). I tried to load all the drivers that are there in error on device RHEL5, but that was failing too. Am looking for pointers to narrow down the issue. Thanks in advance. Sri linux initrd share|improve this question asked Oct 1 '13 at 10:43 keersan 14 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote accepted Okay, i got it after much struggle. The issue is resolved by replacing the isci driver with megasr (my raid controller driver) in initrd (that is used while installation). When isci.ko driver detected my Seagate HDD, it was getting errors during installation. After replacing isci.ko with megasr driver, the installation went fine. share|improve this answer answered Oct 5 '13 at 6:01 keersan 14 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Browse other questions tagged linux initrd or ask your own question. asked 3 years ago viewed 2058 times active 3 years ago Blog Stack Overflow Podcast #89 - The Decline of Stack Overflow Has Been Greatly… Related 11Simulate a faulty block device with read errors?0Error inserting scsi_wait_scan - Invalid module format1Buffer I/O error on device sdb0Can
Support Search GitHub This repository Watch 545 Star 3,190 Fork 1,767 raspberrypi/linux Code Issues 190 Pull requests 26 Projects 0 Wiki Pulse Graphs New issue external USB drive: blk_update_request: I/O error and the USB drive gets another /dev/sd node #777 Open f18m opened this Issue Jan 31, 2015 · 41 comments Projects None yet Labels None yet Milestone No milestone Assignees P33M 20 participants f18m commented Jan 31, 2015 Hi, I found a quite-reproducible problem (happens quite often!) with the following setup: HW: Raspberry model B+, powered by its own 5V, 2A power supply USB HUB 3.0 (Trascend TS-HUB3K), powered by its own 12V, 1.5A power supply (15W) 2 external hard disks (the problem happens also with just 1 hard disk!) root@rasptorrent:~# cat /etc/os-release PRETTY_NAME="Raspbian GNU/Linux 7 (wheezy)" NAME="Raspbian GNU/Linux" VERSION_ID="7" VERSION="7 (wheezy)" ID=raspbian ID_LIKE=debian ANSI_COLOR="1;31" HOME_URL="http://www.raspbian.org/" SUPPORT_URL="http://www.raspbian.org/RaspbianForums" BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs" root@rasptorrent:~# uname -a Linux rasptorrent 3.18.5+ #744 PREEMPT Fri Jan 30 18:19:07 GMT 2015 armv6l GNU/Linux (did "rpi-update" on Jan 31 2015) HOW TO REPRODUCE: just producing traffic on the USB external drives at some point produces: [ 1116.317108] sd 1:0:0:0: [sdb] [ 1116.317199] Result: hostbyte=0x07 driverbyte=0x00 [ 1116.317220] sd 1:0:0:0: [sdb] CDB: [ 1116.317233] cdb[0]=0x28: 28 00 13 7b 13 08 00 00 f0 00 [ 1116.317297] blk_update_request: I/O error, dev sdb, sector 326832904 (several times, for different sectors) and the USB device (e.g., /dev/sdb1) is destroyed and a new dev node is created (e.g., /dev/sdc1). The dwc_otg driver seems latest one: root@rasptorrent:~# dmesg | grep dwc_otg [ 0.000000] Kernel command line: dma.dmachans=0x7f35 bcm2708_fb.fbwidth=1824 bcm2708_fb.fbheight=984 bcm2708.boardrev=0x10 bcm2708.serial=0xee394e21 smsc95xx.macaddr=B8:27:EB:39:4E:21 bcm2708_fb.fbswap=1 bcm2708.disk_led_gpio=47 bcm2708.disk_led_active_low=0 sdhci-bcm2708.emmc_clock_freq=250000000 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait [ 1.583112] dwc_otg: version 3.00a 10-AUG-2012 (platform bus) [ 2.027416] WARN::dwc_otg_hcd_init:1047: FIQ DMA bounce buffers: virt = 0xdbc14000 dma = 0x5bc14000 len=9024 [ 2.054741] dwc_otg: Microframe scheduler enabled [ 2