Bash /usr/bin/less Input/output Error
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Bashrc Input/output Error
takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top What does intermittent “Input/output error” suggest? up vote 3 down vote favorite Lately my Ubuntu 12 system has started acting very strange. Sometimes the computer freezes and then unfreezes .bashrc input/output error 2 minutes later, and other times when I try a basic command like less I get the error bash: /usr/bin/less: Input/output error. But this is intermittent too. Any suggestions? Also if I try sudo reboot and enter my password, I get sudo: unable to open /var/lib/sudo/plato/7: Read-only file system Before I used to be able to do sudo reboot fine. If I tail /var/log/syslog I do see these curious lines: .... ata1: softreset failed (device not ready) .... ata1: hard resettting link .... ata1: link is slow to respond, please be patient (ready=0) What can I do to fix this? 12.04 share|improve this question edited Aug 29 '12 at 21:38 asked Aug 29 '12 at 21:31 dan 97021831 I suggest you have a look at /var/log/syslog, and I have a hunch you'll see a lot of disk-related errors. Input/output error indicates that the system is having trouble reading or writing information, and this is most likely due to damaged storage devices. –roadmr Aug 29 '12 at 21:3
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question and answer site for computer enthusiasts and power users. Join them; it only takes a minute: Sign up Here's how it works: Anybody can input/output error ubuntu ask a question Anybody can answer The best answers are voted up and rise to the top ubuntu input/output error up vote 5 down vote favorite 2 I'm having a problem with Ubuntu that I'm finding hard to troubleshoot for reasons http://askubuntu.com/questions/181972/what-does-intermittent-input-output-error-suggest that will become clear: reboot -bash: /sbin/reboot: Input/output error dmesg -bash: /bin/dmesg: Input/output error ps -e ps: error while loading shared libraries: /lib/libproc-3.2.8.so: cannot read file data: Input/output error lsof -bash: /usr/bin/lsof: Input/output error fsck -bash: /sbin/fsck: Input/output error badblocks -bash: /sbin/badblocks: Input/output error So I can't see what is going on, and I can't remotely reboot. What can I do to get to the bottom of this? Interestingly: init 0 Segmentation fault I can cat /var/syslog but not /var/log/messages or several other important http://superuser.com/questions/225788/ubuntu-input-output-error files. less and more don't work, neither do tail or head, etc. linux ubuntu share|improve this question edited Dec 26 '10 at 7:52 asked Dec 26 '10 at 7:23 rplevy 147116 1 Sounds pretty similar to what you get after running sudo rm -rf /. (I did it on purpose, just to see what actually happens.) –AJMansfield Sep 12 '13 at 19:27 add a comment| 1 Answer 1 active oldest votes up vote 6 down vote accepted The system is having severe trouble reading off of your hard disk. It's likely that the disk is dead (almost certain), but it could be something as simple as a loose/disconnected cable (don't count on it). There isn't anything you can do to troubleshoot it from here. Just power it off. Check for loose connections on your hard disk. If everything is fine there boot from a rescue disk and run fsck or badblocks from there. I hope you have a back up. share|improve this answer answered Dec 26 '10 at 8:29 bahamat 4,17011323 1 The weird thing though is that when I was able to physically reboot the machine and did so, it came back on seemingly with no problems. I still have not found any problems, though I am taking this as a warning sign that the disk is not reliable and could go at some point. I do keep my all my important files in at least two places using git, so at least that wou
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