[Bug 61508] [HSW AIO] i915 oops during suspend/hibernate

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Mar 4 11:44:55 PST 2013


https://bugs.freedesktop.org/show_bug.cgi?id=61508

Paulo Zanoni <przanoni at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |przanoni at gmail.com

--- Comment #9 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to comment #8)
> Paulo, do the warning here match our current expectations for HSW startup?
> Before digging into the complicated resume failure we should clean up the
> initialisation.

Hi

I'd start by trying to fix all those "unclaimed register" messages first. The
current upstream code is not really triggering these messages. What's the value
of intel_dp->output_reg? What's the value of ch_ctl and ch_data on
intel_dp_aux_ch? I think the first step is to add code to check for unclaimed
registers on i915_read##x and also dump_stack() in case we find unclaimed
registers.

Thanks,
Paulo

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