I had this happen to me today, as well, for the first time. Noticed
while having an NTFS volume mounted idle in a Nautilus window in the
background. Was also forced to kill via System Monitor.
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Uses 100% CPU
https://bugs.launchpad.net/bugs/515866
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Bug definitely still exists -- Ubuntu 9.10 installed just today.
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Synaptic welcome screen message always shows, does not supress when switched off
https://bugs.launchpad.net/bugs/342943
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Bugs, which is subscribed to Ubuntu.
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