Coreserviced and pentabletdriver taking over the cpu
1 Comment Published July 29th, 2012 in OSX Tags: coreserviced, cpu, crash, fix, howto, istat, MacBook, mountain lion, os x, OSX, pentabletdriver, reboot, slowdown.It’s a couple of days I’m experiencing my macbook pro being more unstable (than usual). This morning I noticed that the cpu temperature was around 80˚C (using iStat Menus) and I notice that the process coreserviced was taking 80% CPU, and after that there was pentabletdriver with another 20%. I thought that it was a funny coincidence that this started to happen right after the release of Mountain Lion, so I thought that this may be the chance to upgrade, even though I can’t find a single feature in Mountain Lion that I really need.
First, I tried the oldest and most effective strategy to solve computer problems, the reboot, but it didn’t help.
So, I googled around and I found many people complaining the same behavior, but nothing to solve the problem in my case.
At the end I did this: from spotlight I opened the Activity Monitor and I forced-quit the coreserviced and the pentabletdriver, and immediately the cpu returned idle, but after that the menu bar disappeared so I thought it would be a good idea to shutdown the laptop and reboot (CTRL+Eject button). After the reboot, things went fine, but I had already purchased Mountain Lion, so… good for you Apple, you got my 15 euros.
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I found your post after googling for issues with pentabletdriver. I feel your pain — my MBP has become substantially less stable (and has battery life issues) post Mountain Lion, but because I had largely switched to a new MBP provided by work I hadn’t really dealt with it.
However killing all the Wacom driver stuff on my MBP seems to have fixed everything including battery life.
All told, I think the problem really falls on Wacom not Apple — there are lots of people complaining about stability issues with Bamboo driver on Wacom’s forums for months and no response from Wacom. And, seriously, their software is a pile of poo at the best of times.