From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 34237] External LCD monitor flickers every 30 seconds radeon
mobility x1400
Date: Wed, 2 Mar 2011 07:28:27 -0800 (PST)
Message-ID: <20110302152827.563BB130005@annarchy.freedesktop.org>
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https://bugs.freedesktop.org/show_bug.cgi?id=34237
--- Comment #15 from Alex Deucher 2011-03-02 07:28:27 PST ---
(In reply to comment #14)
> I've tried 2.6.38-rc6-git 7 (which seems to include Dave's drm-fixes) w/o any
> success. I still got intermitent black screen.
> For the record, my LCD is behind a KVM that corrupts EDID thus making the
> kernel to keep loudly complaining in dmesg
It it happens it regular intervals it sounds like some sort of polling. Have
you tried drm_kms_helper.poll=0? Also, make sure knotify or upowerd are not
polling the monitors regularly.
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