Syslogd maxing your processor at 100%!
There is a bug in Leopard that randomly affects the performance of your system. I was fine for a few months, but it started this week on my MacBook. I researched a fix for the problem and apparently it only happens if you have .Mac. It is a problem with the new Back to my Mac. What it does is it maxes one core. It is hard to notice on a quad or octo Mac Pro, but on a two cores Mac, it really affects performance. I don't really have the perfect solution. The only way I found of getting the performance back is to deactivate Back to my Mac. It is not much of a loss, because it never really worked anyway. I still hope it will be fixed in 10.5.2, but in the meantime, it is nice to know how to avoid losing processor performance. After deactivating Back to my Mac, you'll need to restart your computer or force quit syslogd.
posted by Frederic Tremblay at
2/05/2008
21 Comments:
Yes it happened to me too! I left the Macbook idling or listening to iTunes, when it suddenly maxes the CPU. My iStatpro CPU graph went to max and the fan worked overtime. Yes hope they release a fix to this bug soon. Really bugs me cos I have to restart my Macbook.
I have seen something similar to this problem with Screen Sharing if I put the remote computer to sleep via Screen Sharing.
When I physically go to the remote computer later to use it, I notice a process that is pegging a processor. Fortunately, all I have to do is kill the process and all is right with the world again.
Since installing Leopard, Safari has taken to crashing half a dozen times a day with message 'caused by Flash Player plug in'. I have spent two sessions with Apple techies, but the problem just won't go away.
My wife's G5 iMac has had this problem sporadically since installing Leopard and we terminated .Mac in October. From other forums I learned that one needs to force quit syslogd and delete the file /var/log/asl.db which you should find has grown to 10s of MB. Then restart to get syslogd running again, whereupon it should have a reasonable footprint on the processor of a few percent at most.
hey,
it has to do with the SyncServer. You have to delete it and make it recreate itself.
killall SyncServer syncuid SystemUIServer
type that into Terminal and then it will delete it, you have to log out, meaning click ont he apple top left and then log back in, and it shouldn't slow you down anymore!!!
It really works....
Sven,
any way to get it back after, if you want it?
Fire up Terminal and execute the following commands (enter administrator password when asked):
sudo launchctl stop com.apple.syslogd
sudo rm /var/log/asl.db
sudo launchctl start com.apple.syslogd
by: http://julianschrader.de/20080131-100-cpu-usage-caused-by-syslogd-leopard/
Hoping this works for me as well. I put my Macbook to sleep this morning, left for work. When I got home - fans were chugging and CPU temp was 84! Syslogd was up OVER 100%...hopefully my system wasn't hurt.
How do you check the temp of your CPU?
@ Amanda:
I use tools from iSlayer.
http://www.islayer.com/
Free and nice (Dashboard)
This was happening on my dual-core MacBook and driving me crazy, and I've never had .Mac. Huge thank you to TEMoore and Teste for posting -- this fixed it. Cheers.
I don't have back to my mac, I turned off time machine, and as of right know I'm killing apps and waiting, because syslogd keeps coming back every few seconds.
It did stop when I killed iChat but I'll post again if I see it come back
I just checked the system.log file at /var/log and I have tons of logs from itunes per minute
Something to do with the NS Auto Release pool
Have tried the above steps, but it just keeps coming back. No idea what to do...
I was having this problem, but it seems it was being caused because my asl database was corrupted or something. I followed the instructions http://discussions.apple.com/thread.jspa?messageID=7403933& and everything seems to be working again
Looks like that dang syslogd has finally been put to sleep by OS X 10.5.6! Hope the fix is permanent -hate to buy another MacBook Pro battery at 130 bucks!
Re: 10.5.6 -- nope, sorry. Syslogd went insane this morning. The usual incantations seem not to work anymore. Sigh. Snow Leopard, please fix this!!!
Well I am scared of ever troubling laptop parts whether it is a Macbook or any other brand. Laptop repair doesn't come any cheap.
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