Anyone using AMD Radeon R7 M360 with Linux?

[Dave Stevens]

Quoting Gene Heskett <gheskett at wdtv.com>:

> On Tuesday 09 February 2016 13:18:56 Dave Stevens wrote:
> [...]
>> sorry to hear that Gene, not my experience at all. I bought a 4770
>> when it came out and it's still just sitting there doing its job.
>>
>> D
>
> That 4770 sounds fairly recent, and I am happy to hear its working. The
> last ATI I bought was years ago now, a 9200HD IIRC.
>
> Their drivers, or that which is supplied with linux?

I first tried using ATI's (as it was then) drivers, which worked fine  
but broke with every kernel uptick, so I switched to Fedora's and got  
performance that was acceptable at first and which improved to good  
usability. I don't need anything very graphics-intensive.


D

>
> My experience with their drivers has been (and again its dated info as I
> don't fix whats not broken) that I usually had to re-install to restore
> any function at all.  Slightly better with nvidia drivers, but TBT,
> where I've an nvidia card, nouveau is actually working quite well for me
> and has been for a couple years now.  One thing I cannot tolerate, is
> the nvidia drivers locking out the IRQ's for up to 200 millisecods at a
> time since even when the machines stepper motor drivers have been
> replaced with dedicated hardware so I don't have to worry about a delay
> in a 25 microsecond basic software loop thread, the servo loop thread is
> still needed at nominally 1 millisecond intervals, and having the IRQ's
> locked out for periods that exceed that millisecond can and will be
> dangerous to the usability of the parts the machine is busy carving. You
> can't usually hear the machine stop for that time, but the marks on the
> work are the clue you have a problem because the spindle still spins the
> cutter when one of those microscopic pauses happens.  The i915 driver
> doesn't do that, and the nouveau driver doesn't.  But its taken me years
> to deduce that.  And it could (and possibly will) change before the week
> is over. :(  Those of us actually running RTAI patched kernels to get
> that sort of performance are an ignorable minority of perhaps .002% of
> the linux users.  Probably under 2500 planet wide but no one knows, its
> free software.
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
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