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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - System crashes after "[drm] IP block:gmc_v8_0 is hung!" / [drm] IP block:sdma_v3_0 is hung!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102322#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - System crashes after "[drm] IP block:gmc_v8_0 is hung!" / [drm] IP block:sdma_v3_0 is hung!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102322">bug 102322</a>
from <span class="vcard"><a class="email" href="mailto:jb5sgc1n.nya@20mm.eu" title="dwagner <jb5sgc1n.nya@20mm.eu>"> <span class="fn">dwagner</span></a>
</span></b>
<pre>(In reply to Michel Dänzer from <a href="show_bug.cgi?id=102322#c24">comment #24</a>)
<span class="quote">> Can you try bisecting between 4.13 and 4.17 to find where stability went
> downhill for you?</span >
A bisect like that is not likely to converge in any reasonable time, given the
stochastic nature of those crashes.
While the mean-time-between-driver-crashes is dramatically different, there
will be occasions on which 4.13 will crash early enough to yield a false "bad",
and there will be occasions on which 4.17 is lasting like the 20 minutes or so
to assume a false "good".
What about the multitude of debug-options - isn't there one that could allow
for some more insight on when/why the driver crashes?</pre>
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