I believe when using intel as a user, especially for on-processor
graphics like Haswell and Sandy, I got improved driver results when
using the latest microcode (video gfx acceleration is one. My i5 4670k
processor was new this year, and the latest microcode came out around
Aug 2013.. Gfx acceleration wasn't working with the packaged outdated
microcode of a few months older, but furthermore in order for me to use
proper working Haswell, I had to dive a bit into the testing branch, as
intel is making a lot of new work for it's latest HD-capable processors)
the command I use iucode-tool -K microcode.dat,
microcode.dat is inside tarballed file but is not usable for the
microcode service loader without extracting it (you're pretty much
extracting the tarball which yields one file, then extracting/pulling an
arragenment of binary snippets for different processors from
microcode.dat, there's a way to extract just for your processor, if
interested for more elaboration, I made a post over here
https://plus.google.com/105696767572828808697/posts/fSMY3kT4c3s )
There's also this
https://01.org/linuxgraphics/community?qt-projects_aggregated_links=1
,but I would definitely include the processor type (eg, for me I'm
using an intel i5 "4670k".. The processor should be spottable somewhere
with dmidecode or cat /proc/cpuinfo (not sure if they can take debian
reports)
Hopefully this helps :)
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