[Bug 51921] Screen black, no action possible

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https://bugzilla.kernel.org/show_bug.cgi?id=51921





--- Comment #13 from stathis <stathis at npcglib.org>  2013-01-08 21:57:42 ---
(In reply to comment #8)
> (In reply to comment #7)
> > "As a built-in, netconsole initializes immediately after NIC cards and will
> > bring up the specified interface as soon as possible. While this doesn't allow
> > capture of early kernel panics, it does capture most of the boot process."
> > 
> > so probably this is not going to help much here?
> 
> Ime netconsole only really works if both netconsole and your ethernet driver
> are built-in. That also solves the neat problem with init ordering, since the
> i915.ko module will then certainly be loaded afterwards ...

actually this doesn't seem to be the case. I compiled in the kernel netconsole
and my ethernet driver and left i915 and drm as modules. When I have nomodeset
in my parameters, it all goes smooth, I receive the kernel messages to the
netconsole, but there seems to be a slight delay from when they appear on
screen to actually being shown in the monitoring machine.

When I remove the nomodeset parameter, so that the i915/drm modules are loaded,
there is actually no output on the netconsole shown. The reason is that the
machine freezes, probably before it manages to dump the buffer over the wire,
so I again receive nothing....this is very frustrating.

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