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Thread: Read-only filesystems?

  1. #1
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    Read-only filesystems?

    Hi there, I'm running Ubuntu 12.10 with GNOME Desktop installed alongside Unity. 4 days ago when my husband was at work, his suddenly started acting 'wonky', when he got home from work yesterday I realized that portions of it had been set to 'read-only' and after a bit of googling decided that it might be the hard drive failing, but thought I'd try re-installing. Initially I re-installed, w/o formatting his /home partition, which initially worked using Unity. But after I re-installed GNOME and updated it, it went back to not functioning... at which point I did a full reformat and it now (running Unity - with very little else installed) seems to be OK.

    However, in the midst of this, my computer suddenly started doing the *exact same thing* - I'm now in the midst of backing up my data on our third 'backup' desktop which is usually my childrens' system (Xubuntu 12.10).

    When I restart my system it says there are errors in the /home partition and asks if I want to fix them, when I say yes, it seems to and then boots OK... but the next time I shutdown/reboot it does this again, and after working on it for a couple of hours the file system will suddenly set itself to 'read only'... which is exactly what his was doing.

    Any thoughts or suggestions?
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  2. #2
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    Re: Read-only filesystems?

    Hi

    What is the in the log file /var/log/syslog ?

    Kind regards
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  3. #3
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    Re: Read-only filesystems?

    Lots... I'm trying to get a browser to open on it, but not a lot of luck...

    Towards the end are several dozen lines similar to this:

    ... kernel: [428xx.4xxxx] iwlwifi: 0000:0x:00xx fail to flush all tx fifo queus
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  4. #4
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    Re: Read-only filesystems?

    Hi

    Let's try to narrow the syslog output down a bit.

    Please post the output of

    Code:
    egrep 'sd[a-z]' /var/log/syslog
    Kind regards
    Join us on irc at #ubuntuforums. For web chat see here

    If you believe everything you read, you better not read. ~ Japanese Proverb

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  5. #5
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    Re: Read-only filesystems?


  6. #6
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    Re: Read-only filesystems?

    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071058] sd 1:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071099] sd 1:0:0:0: [sda] Write Protect is off
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071102] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071127] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.096029] sda: sda1 < sda5 > sda2 sda3
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.096793] sd 1:0:0:0: [sda] Attached SCSI disk
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.473485] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: (null)
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.829481] sd 6:0:0:0: [sdb] 7813120 512-byte logical blocks: (4.00 GB/3.72 GiB)
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.831108] sd 6:0:0:0: [sdb] Write Protect is off
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.831111] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.832013] sd 6:0:0:0: [sdb] No Caching mode page present
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.832015] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.835971] sd 6:0:0:0: [sdb] No Caching mode page present
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.835974] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.836850] sdb: sdb1
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.839847] sd 6:0:0:0: [sdb] No Caching mode page present
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.839850] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.839851] sd 6:0:0:0: [sdb] Attached SCSI removable disk
    Feb 12 12:20:55 Final-Frontier kernel: [ 15.624144] Adding 15625212k swap on /dev/sda2. Priority:-1 extents:1 across:15625212k
    Feb 12 12:20:55 Final-Frontier kernel: [ 16.116298] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
    Feb 12 12:20:55 Final-Frontier kernel: [ 16.962782] sd 7:0:0:0: [sdc] Attached SCSI removable disk
    Feb 12 12:20:55 Final-Frontier kernel: [ 66.941600] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null)
    Feb 12 12:22:57 Final-Frontier udisksd[2217]: Mounted /dev/sdb1 at /media/emily/4193-B5A2 on behalf of uid 1000
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  7. #7
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    Re: Read-only filesystems?

    Ok, just read through the bug report, sounds right... is there a way to install an older linux kernel w/o re-installing?
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  8. #8
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    Re: Read-only filesystems?

    When you see the GRUB screen at boot, do you see a reference to "previous Linux kernels"? Take a look in there and have it run the (n-1)th kernel. If you don't see the GRUB menu at all, hold down the Shift key while booting.

    If everything is fine with the older kernel, come back, and we'll work out how to make it default.
    If you ask for help, please have the courtesy to check for responses and thank the people who helped you.

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  9. #9
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    Re: Read-only filesystems?

    Hi

    Interesting bug report that is obviously affecting a number of people.

    @Emily. I also have an ideapad; a Lenovo S206 and i am not seeing this problem.

    If you need other kernels then look here.

    http://kernel.ubuntu.com/~kernel-ppa/mainline/

    At the moment i am running 3.8....rc4 with no problems.

    Code:
    matthew-S206:/home/matthew % uname -r
    3.8.0-030800rc4-generic
    matthew-S206:/home/matthew %
    Kind regards
    Join us on irc at #ubuntuforums. For web chat see here

    If you believe everything you read, you better not read. ~ Japanese Proverb

    Do not read newspapers on an empty stomach ~ Russian Proverb ~ BrunoLotse

  10. #10
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    Re: Read-only filesystems?

    Yeah, I had no problems up untill a few days ago, on either system. Mine goes into read-only only very occasionally, and so far I have been succesful in unlocking it by simply rebooting and telling it to 'fix' the problems it finds. Once I did have to boot into a live-image and do sudo dpkg-reconfigure -a - and that cleared it up and allowed the above to work.

    However, my husbands' system is not fairing so well. I did a full clean install of 12.10 and it worked fine for a couple days, but as of an hour or so ago, is back locked and none of the above is working I'm about to write a blog post about it, in hopes of drawing some additional attention to it... I don't know what else to do besides *another* clean install... however, doing so every couple of days doesn't seem reasonable...
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

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