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bug#3208: 23.0.93; Memory full / crash when displaying lots of character


From: Jason Rumney
Subject: bug#3208: 23.0.93; Memory full / crash when displaying lots of characters from a large font (like Arial Unicode or Code2000) which is not explicitly selected (on Win32)
Date: Fri, 26 Jun 2009 13:54:36 +0800
User-agent: Thunderbird 2.0.0.21 (Windows/20090302)

Kenichi Handa wrote:
If no GC happens while displaying all characters of that
long line, those temporarily created Lisp vectors accumulate
in memory without reused, which may lead to memory full.

While I was profiling to try to identify a possible cause, there were 6 GCs in the 25 seconds that Emacs was running (taking up 22% of the time). So GC does seem to happen, though maybe it was after the first warning was thrown.






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