Status: Untriaged
Owner: ----
CC: [email protected],  [email protected],  [email protected]
Labels: Type-Bug Pri-2 OS-Mac Area-BrowserUI Size-Medium

New issue 16510 by [email protected]: web site update locks up other  
tabs?
http://code.google.com/p/chromium/issues/detail?id=16510

What steps will reproduce the problem?
1. load http://build.chromium.org/buildbot/waterfall/console
2. scroll to the bottom and hit the merge link to enable merged mode
3. open a second tab and load something log, say
http://build.chromium.org/buildbot/waterfall/builders/Chromium%20Mac
%20(valgrind)/builds/59/steps/valgrind%20test:%20unit/logs/stdio
4. use the scroll wheel to scroll up and down and keep doing so

What is the expected output? What do you see instead?

At some point, the scrolling will hang, the other tab will show it's spinner
as it's starting to reload the console.  Since the render should be in
another process for that tab, it's not clear why we're blocking our ui for
this update.  maybe it's something about the ipc of the dibs?  maybe we
send more then one update as the page render, just sorta a bad
experience.

might be worse the larger the window is, didn't investigate.

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