[mythtv-users] [OT] Ugrading Mythbuntu 12.04 -> 14.04 "broke" my server hardware.

[Thomas Boehm]

On 08/10/14 06:52, Kingsley Turner wrote:
> G'day,
> 
> You may have noticed in a previous email that I was having troubles
> after upgrading mythbuntu via "do-release-upgrade".
> I chose to do this upgrade because I was having a couple of minor
> problems, and guessed this might help.
> One of them turned out to be a simple config problem.  *sigh*.
> 
> Anyway ...
> 
> After a word of pain after the upgrade, I backed up, and re-installed
> from a mythbuntu 14.01.1 live disk.
> However I encountered the same problems I had after the in-place
> upgrade, notably: video corruption and lockups.
> At the time I figured it was a nvidia driver version mismatch caused by
> some incorrect bits left over after years of upgrading.
> 
> Not so it seems.
> 
> I saw the same problems, and lack of stability with the nouveau driver,
> the latest mythbuntu-packaged nvidia driver, and the nvidia driver
> download from nvidia.com.
> 
> I don't fn() get it.
> 
> This box was rock-solid stable before that upgrade, and now with high
> activity, it can barely stay up for 10 minutes.
> Surely this can't be a new kernel or suchlike ?!?
> 
> I'm starting to think that I managed to time a hardware failure in
> coincidence with a software upgrade!
> But surely not?  I don't know, it sure looks it.
> 
> Any sage advice ?
> How do you even debug something like this.
> 
> I guess I'll fire off the grub memory checker (I did run it for 1/2 an
> hour the other day).

I did the same upgrade just over a week ago on my BE/FE with only minor
problems with xmltv and mythnettv, nothing graphics related. I have a
GT610 and use the nvidia driver version 331.38.

HTH
Thomas