On 09/20/2016 05:08 PM, Keith Keith wrote:
> I ran in to a problem that involved an unresponsive screen a few months ago 
> and also had a FIFO underrun.  I think your problem is somewhere in the intel 
> graphics stack.  Here's the bug I had:
> https://bugzilla.redhat.com/show_bug.cgi?id=1339855
> https://bugs.freedesktop.org/show_bug.cgi?id=96284


> I was able to determine the system wasn't frozen because I made a unit file 
> that ran a bash script that saved a file on shut down and then pressed my 
> power button.  Systemd ran the script and I was able to see the file had been 
> updated.  The fact that it was able to shutdown without me forcing it was 
> also a good sign that this was the case.

Cool - I'll set up my system so I can determine if the bug is
freezing the entire system or just the display.

> Some info about reporting these bugs is here:
> https://01.org/linuxgraphics/documentation/how-report-bugs
> If you want to try some drivers that are close to the developer version 
> upstream you can try my copr repo:
> https://copr.fedorainfracloud.org/coprs/bollocks/intelblood/packages/
> It hasn't been updated in a month.  I'm going to get on that today.  I try 
> for once a week but since I no longer have any bugs I don't run it on my 
> machine and so I forget easily. Note that running these is probably crazy 
> experimental and the package maintainer(me) is far from an expert. 

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