[Bug 518623] Re: VIA KM400: Black screen after boot, no text console possible

[Paul van Genderen]

Kernel 2.6.32-17-generic shows the same symptom as described by Robert
Moerland and gokul. This is probably a kernel problem as this also
occurs on a commandline-only installation. Steve Langasek is right that
this doesn't have to do with Plymouth. Removing that merely adds errors
to the boot messages. However, this definately has to do with this
particular chip:

01:00.0 VGA compatible controller: VIA Technologies, Inc.
KM400/KN400/P4M800 [S3 UniChrome] (rev 01)

I swap this chip (by inserting a graphics add-on board, this disables
the integrated S3 chip) and Ubuntu boots. Take the working chip out and
the system hangs again, every time. This is all that's shown:

[screen full of kernel messages, mostly related to the hard drive]
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.
fsck from util-linux-ng 2.17
/dev/sdb1: clean, 44079/19365888 files, 49698348/77437308 blocks (check after next mount)

That last line varies.

** Attachment added: "lspci.out"
   http://launchpadlibrarian.net/41506444/lspci.out

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VIA KM400: Black screen after boot, no text console possible
https://bugs.launchpad.net/bugs/518623
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