After the yast install failed copy this log.
y2log (application/octet-stream), 1.62 MB, created by Forgotten User tfBQIqYkT6 on 2011-11-17 12:10:13 UTC
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Creator: Forgotten User tfBQIqYkT6
Created: 2011-11-17 12:10:13 UTC
Size: 1.62 MB

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Attachments on bug 722739: 455291 | 462627 | 462628