2009/07/21

Unresponsive console.app on OS X 10.5

Recently, when I opened console.app and tried to view either Console Messages or All Messages, cpu usage spiked and console.app became unresponsive. Activity Monitor showed aslmanager using up all of the cpu.

The following discussion thread helped solve the problem. The final required step seems to have been to remove the entire /private/var/log/asl/ directory before restarting syslogd.

Apple - Support - Discussions - ASLMANAGER hogging CPU, resisting fix? ...

Update: It looks like aslmanager first appeared in OS X 10.5.6. It also looks like the asl facility is Apple's replacement for syslogd, created to make it easier to quickly search system logs. From the asl(3) man page: "This API permits clients to create queries and search the message data store for matching messages."

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