On Wed, 15 Jul 2015 22:05:26 -0700, in message CAArUT0jKWejUygaOdt0CQVgXa40MVNc1O--MbkvGoPh4h=-6...@mail.gmail.com, Denis Heidtmann wrote:
> After upgrading to Grub2 on the 13th the hope was that would fix
> things. Not so.
>
> This time the failure happened after it was running for 5-10 minutes,
> not on boot. First symptoms were Chrome failed to start 3 times.
> Then Nautilus did not display properly; it closed when I attempted to
> view the root directory. Then the desktop icons were big and
> spurious text appeared. ^ alt bksp yielded:
> *Stopping save kernel messages
> speech dispatcher disabled;edit /etc/default/speech-dispatcher
> WARNING: All config files
> need.conf:/etc/modprobe.d/nvidea-current_hybrid.conf.hidden, it will
> be ignored in a future release.
> *Starting Virtual Box Kernel Modules
> *Starting Virtual Box Kernel Module...
> *Starting MD monitoring service mdadm--monitor
> saned disabled; edit /etc/default/saned *checking battery state...
> [2033.461491] end_request: I/O error, dev sda, sector 606863455
> [2033.461491] EXT3-fs error(device: sda1): ext3-_get_inode_loc:unable
> to read inode block- inode=18964526,block=75857924
> ....8 more similar messages...
> ^ ALT DEL produced 3 more messages
> Each repeat of ^ ALT DEL yielded an identical message.
>
> Power off, then restart. Now it is working fine, AFAICT.
>
> This is screaming disk problem, yet tests of the disk say it is
> fine. What else could be failing erratically?
The disk interface. I assume that you're using a SATA interface on
the motherboard. Have you tried a different SATA port? If that
fails, you could buy a SATA interface card and plug the drive into it.
You could still have an intermittent failure in your drive itself.
Frankly, I'd buy another drive and see if it fixes your problem. If
not, well, it doesn't hurt to have a spare drive.
Is the failure always located in the same sector/block/inode? That
would point to the drive proper. If the sectors are different every
time, then it's probably something else. It could even be the power
supply for the computer. Have you tried swapping it out? (I don't
remember what you've done, other than re-load Grub.)
Hope this helps.
--Dale
--
"The software industry is really one of the only organizations
where you can knowingly build a defective product and push it out
to a potential buyer and the buyer assumes all the risk."
-- Jerry Davis, CISO
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