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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - GPU lockups with kernel 3.11.0 / 3.12-rc1 when dpm=1 on r600g (Cayman)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69723#c46">Comment # 46</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - GPU lockups with kernel 3.11.0 / 3.12-rc1 when dpm=1 on r600g (Cayman)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69723">bug 69723</a>
from <span class="vcard"><a class="email" href="mailto:alexandre.f.demers@gmail.com" title="Alexandre Demers <alexandre.f.demers@gmail.com>"> <span class="fn">Alexandre Demers</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=69723#c45">comment #45</a>)
<span class="quote">> The windows driver should operate pretty much the same as the linux driver
> as far as I know. I'm not really familiar with how gpu-z reads back the
> clocks and voltages and that may have something to do with the differences.
> Not all of the aspects of the level transition happen at the same time.
>
> You could try setting the vddc to 1060 and changing the mclk of level 1 (mid
> level) to 650Mhz. Perhaps the jump from 150 to 1300 is too big and the pll
> is not able to lock properly.</span >
I tried it, but I had the same result: a hang. However, I'd be curious to see
the result on the ower con sumption. I'll keep that for another time.
I'll try to follow Vddci under Windows with something like Afterburner.</pre>
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