X hang & general procedures
jb at jbud.me
Sat Nov 1 23:01:20 PDT 2014
Hey X community, I've recently attempted to upgrade Ubuntu (14.10; Xorg
1.16) and ran into problems with the X hanging quite frequently;
although I'm not sure what exactly is causing those hangs. I've
reinstalled to 14.04 (Xorg 1.15.1) and had the same problems; then
finally reinstalled to Ubuntu 13.10 (Xorg 1.14.6) and haven't had any
problems so far.
I've heard that its most helpful if I can perform something called
"Bisecting", where I continuously upgrade X until I hit the version
which is causing me problems. I've never done anything like this before,
and I have a few questions before I start:
* I've read that X is so closely tied in with Ubuntu that you simply
cannot upgrade or downgrade X without breaking some other components
of Ubuntu. If that's the case, then have I already done all that I
can do by determining that the issue occurs between 1.14.6 and 1.15.1?
* I feel ridiculous saying that the hang occurs randomly. Obviously it
must be caused by something, but the logs don't state anything of
interest. In a case like this, what can I do to pinpoint exactly
what's going on?
* Is there any way that I can temporarily upgrade X just to ease in
this testing & bug reporting process? That would be much more
preferable than reinstalling the OS twice, and also for testing
things in the future before I upgrade my system
Any insight into these things would be really very helpful. I'm googling
around, but there doesn't seem to be a lot of guides for those newbies
like me. Thanks!
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