[Bug 51081] [ivb] i915 insertion hangs machine

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=51081





--- Comment #5 from Jesse Barnes <jbarnes at virtuousgeek.org>  2012-12-13 17:01:40 ---
On Thu, 13 Dec 2012 16:15:29 +0000 (UTC)
bugzilla-daemon at bugzilla.kernel.org wrote:
> 1.1.
> Wasn't my dmesg attachment an example of the use of how "to direct kernel
> messages at another machine"?
> 
> 1.2.  Like I said, "remoting from another host (ssh/scp) works", so
> why do I have to read instructions from a distribution I don't use (nor do I
> intend to).
> For the record, I've always used "BLFS" (Beyond Linux From Scratch).

Sorry I read too fast and didn't see that you can ssh in.  Sounds like
the system doesn't hang at all then, just your console goes away.

> 2.  From your review of the "kernel messages" in my attachment, what was
> missing so you haven't been able to proceed with the analysis, debug and fix?

If you leave out the "video=" parameter from your boot line, do things
behave any differently?

> 3.  Was my 'drm debug=6' not informative enough, so that you want now
> drm debug=0xf (or 15, as they say)?  
> 
> 4.  What was it on 'drm debug=6' that was missing (in plain English so I
> can get an idea)?

The logs actually don't indicate any serious failures.  The framebuffer
size doesn't quite match your requested mode however (656x414 vs
640x400) which is why I'm curious what happens if you don't specify the
video= line...

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