https://bugzilla.kernel.org/show_bug.cgi?id=16265
alfonso.p...@gmail.com changed:
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CC| |alfonso.p...@gmail.com
Chris Wilson <ch...@chris-wilson.co.uk> changed:
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CC| |ch...@chris-wilson.co.uk
--- Comment #3 from alfonso.p...@gmail.com 2010-08-12 00:15:51 ---
I'm having this problem with kernel 2.6.35.1 in archlinux. I'm willing to
provide debugging information, I just don't know what should I post. I have a
lenovo sl300 laptop with intel integrated graphics (HD4500 I believe).
--- Comment #4 from Chris Wilson <ch...@chris-wilson.co.uk> 2010-08-13
08:13:45 ---
Ok, we understand what's going on here now. Every 10s the non-hotplug capable
outputs are polled for connection/disconnection events. For a certain class of
analog device on some hardware this is very slow and CPU intensive.
See also https://bugs.freedesktop.org/show_bug?id=29536
The first workaround proposed is just to disable polling via a module
parameter. The eventual solution will likely be a mix of finer grained locking
and cheaper, non-destructive polling.
--- Comment #5 from alfonso.p...@gmail.com 2010-08-13 19:51:15 ---
ok, cool.
PS: The link is http://bugs.freedesktop.org/show_bug.cgi?id=29536
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