[Bug 727064]

[Tudor Bosman]

(In reply to Ondrej Bilka from comment #29)
> Wait, do you have overlapping source and destination areas? If so then a
> backward copy is necessary.

Backward copy is often used for non-overlapping areas as it is faster on
some Intel processors; see
https://bugzilla.redhat.com/show_bug.cgi?id=638477#c99 for an
explanation. I was pointing out that it also has the (unintended)
behavior of pessimizing mmap()ed file accesses.

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https://bugs.launchpad.net/bugs/727064

Title:
  [Natty] Strange beeping sound when viewing flash video

Status in The GNU C Library:
  Fix Released
Status in “adobe-flashplugin” package in Ubuntu:
  Confirmed
Status in “eglibc” package in Ubuntu:
  Fix Released
Status in “flashplugin-nonfree” package in Ubuntu:
  Confirmed
Status in “glibc” package in Fedora:
  Unknown

Bug description:
  Binary package hint: adobe-flashplugin

  As describe in the thread
  http://ubuntuforums.org/showthread.php?t=1692707 the sound is bad in
  natty.

  Workaround: patch the flash plugin to change memcpy call to memmove
  - Download https://bugzilla.redhat.com/attachment.cgi?id=460254
  - Run this script: $ sudo bash ./fix-flash.sh /usr/lib/flashplugin-installer/libflashplayer.so
  - Restart the browser

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