Apache OpenOffice (AOO) Bugzilla – Issue 11081
Freeze in "Online Layout" on excessive/fast zooming
Last modified: 2013-08-07 14:41:36 UTC
In a document beefed up with table of contents, graphics, one OOo Drawing (probably OLE, it is editable inline by double-clicking it) and footnotes I noticed that zooming "freezes" Writer, meaning it seems to enter a loop,won't refresh the screen or accept any input, process will consume 100% CPU (memory staying constant) until killed. This only happens when "Online layout" is activated. I could not reproduce it in normal layout mode. I will try to attach the document (contents scrambled, sorry couldn't give it out otherwise, problem was reproduced with scrambled texts) demonstrating the problem. I could trigger the problem on another Windows 2000 PC (OOo installed from the same binaries) as well. How to reproduce: - open document - switch to View -> Online Layout (if not already activated) - press and hold "Ctrl" key - use mouse wheel to zoom in and out FAST - watch CPU usage.... Sometimes zooming in one direction is sufficient, sometimes it needs some more. I will not say the loop is infinite - but it does not end within 10min... Sorry if I did something completly wrong, I'm new to IssueZilla... Pressing all thumbs and toes for everyone working on OOo, Philipp
Created attachment 4505 [details] Writer file that frezzes app when Ctrl-Wheel-Zooming fast in online layout mode
I can now confirm it still happens in 1.0.3(.1?) German. Philipp
Thank you for using and supporting OOo. Duplicated on RH 9.0, OOo 1.0.3.1 & 1.1 Beta 2
Reassigned to ES
Hi Phillip! Thank you for this good description (especially the step-by-step "how to reproduce", that's exactly what we expect)! Unfortunatly, though I tested this on a Red Hat 9.0 and WinXP, I couldn't reproduce the freeze or loop you describe. After a while (let's say between 10sec and 1mn, depending on how crazy I play with the wheel) I will see the document painted again and OOo works on. Also I didn't get 100% of CPU but between 60%-90% (which is pretty huge). Anyway compared with the behaviour of the page layout, the online layout is under performormant. ES->OD: cab we optimize this?
OD->ES (03.07.2003): Can You please: (1) close this task, if the 'freeze'/'loop' is *not* reproducable and (2) setup a new task for the performance issue with an appropriate target and an appropriate priority.
Oops! Sorry! New issue 16419
closed