Video showing the problem (see 00:39 and 1:14)
allColumnsDisappear.webm (application/octet-stream), 9.58 MB, created by Jan Hrcek on 2014-09-23 11:56:14 UTC
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Creator: Jan Hrcek
Created: 2014-09-23 11:56:14 UTC
Size: 9.58 MB

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Attachments on bug 1145631: 940407