[Bug 28106] radeon KMS causes hardware conflict/interference with Intel wifi and audio, crashes wireless

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 22 08:36:23 PST 2013


--- Comment #76 from Vassil Panayotov <vd.panayotov at gmail.com> ---
@Alex Deucher: Yes, the modern operating systems and hardware are complex
beasts and I surely understand that some bugs may be hard to track down. The
point is however that there wasn't a systematic effort to resolve this
particular issue except for some "there is a random problem X described in
ticket Y, which may be the reason for your troubles too, so why don't you try
the solution proposed there". By the way I tried the change proposed by Michel
Dänzer in https://bugs.freedesktop.org/show_bug.cgi?id=38694 , but
unfortunately it doesn't seem to help either.
I am clueless about the kernel internals, but the manifestations of this bug
seem to be consistent with the hypothesis that there is something wrong with
the "radeon" driver. It seems like something locks the system for long periods
of time and the other time sensitive modules "freak out". On my laptop the
problem became even more pronounced when I swapped the "1440x900" LCD panel
with a "1600x1200" one.

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