I have a testcase which shows a drawing problem since page zoom was enabled. Lines are drawn across the iframe when the parent page is scrolled so that the iframe is scrolled into view. Sometimes though the line are only seen drawn across the vertical scrollbar. This predates PGO so it's not related. STR 1. Zoom in on the testcase. In recent builds you can tell when the problem will occur because a black line is visible across the bottom of the iframe, just above the bottom border. 2. Scroll the parent window so the iframe goes out of view then scroll it back into view. It is expected that no lines show up. Attachments to follow.
Comment on attachment 306369 [details] testcase - child frame page Grr Wrong one
Attachment #306369 - Attachment is obsolete: true
Created attachment 306378 [details] Screenshot 20071221 build At some point in the past the bug changes so instead of black lines there are lines the color of the background in the frame. I've narrowed it down to 20080113 black 20071221 background color But I'm out of time for now if someone else wants to narrow it down to a day.
This is probably related to bug 376124. Clearing the nom, we should re-evaluate this if a fix for 376124 doesn't resolve it.
Depends on: 376124
seems to be fixed on/with 20080304_0106_firefox-3.0b5pre.en-US.win32.zip bonsai : http://bonsai.mozilla.org/cvsquery.cgi?module=PhoenixTinderbox&date=explicit&mindate=1204615920&maxdate=1204621559 Bug 408913 ?
I'm not sure why I didn't find that bug. Line, zoom and scroll were three keywords I searched for. Perhaps I always had another word in my search which resulted in finding nothing. WFM Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b5pre) Gecko/2008030405 Minefield/3.0b5pre ID:2008030405 so
Status: NEW → RESOLVED
Last Resolved: 11 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 408913
Product: Core → Core Graveyard
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