Bug 19104

Summary: 'sis' driver snows with SiS M760 video card, often used in notebooks
Product: xorg Reporter: Michał Gołębiowski <m.goleb+bugs.freedesktop.org>
Component: Driver/SiSAssignee: Thomas Winischhofer <thomas>
Status: RESOLVED DUPLICATE QA Contact: Xorg Project Team <xorg-team>
Severity: critical    
Priority: high CC: shrek, thomas
Version: 7.4 (2008.09)Keywords: regression
Hardware: All   
OS: Linux (All)   
i915 platform: i915 features:

Description Michał Gołębiowski 2008-12-15 16:12:37 UTC
'sis' driver, default in Ubuntu 8.10 (Intrepid Ibex) to my SiS M760 video card, makes screen snow (strange colors, flashing screen even if I do not do anything). This issue is NOT visible in screenshots.

This is critical as it makes nobody able to use the 'sis' driver, forcing them to switch to 'vesa'. But 'vesa' is slower and does not support 1280x800 resolution, so often used in notebooks nowadays (I have to use 1280x768, which doubles some horizontal lines).

As this driver worked in Ubuntu 8.04 (Hardy Heron), this is a regression.

Ubuntu launchpad bug report is here:
Comment 1 Michał Gołębiowski 2009-01-14 05:59:00 UTC
As #19070 was reported 2 days before I did it, I mark this one as a duplicate.

*** This bug has been marked as a duplicate of bug 19070 ***
Comment 2 Michał Gołębiowski 2009-01-24 19:39:54 UTC
Fernando Pereira proposed a configured version of xorg.conf which works for me perfectly in Ubuntu Intrepid (with sisfb module loaded). Here is a permalink:

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