dmesg troubleshooting

Liam Proven lproven at
Sun Sep 16 16:08:11 UTC 2012

On 16 September 2012 06:54, Edmond Condillac <econ22 at> wrote:
> Kindly help and advise, if possible.  Since upgrading to Oneric from Natty,
> boot up has slowed down and often the hard drive cannot be found.  Having
> run dmesg command the following messages were received that indicate the
> nature of the problem:
>         actionparsnip proposed the following answer:
>         [ 2.374562] EXT4-fs (sda1): mounted filesystem with ordered data
>         mode. Opts: (null)
>         [ 18.058424] udevd[253]: starting version 173
>         [ 32.953222] EXT4-fs (sda1): re-mounted. Opts:
> errors=remount-ro,commit=0
>         [ 117.531547] wlan0: authenticate with 08:76:ff:50:3b:bd (try 1)
> The bootable drive is running in DMA mode. How do I fsck my system
> partitions in liveCD?
> Your kind help would be most appreciated. Thank you,

Boot off a LiveCD.

Work out which are your volumes on the hard disk. GParted may help with this.

Then open a terminal (Ctrl-Alt-t) and type:

sudo fsck -f /dev/sda1

(replacing sda1 with whatever your volume(s) is/are, e.g. sda2, sda5,
sdb1, etc.)

Liam Proven • Profile:
Email: lproven at • GMail/G+/Twitter/Flickr/Facebook: lproven
MSN: lproven at • Skype/AIM/Yahoo/LinkedIn: liamproven
Tel: +44 20-8685-0498 • Cell: +44 7939-087884

More information about the ubuntu-users mailing list