Re: Runaway CPU
Re: Runaway CPU
- Subject: Re: Runaway CPU
- From: "Mitch Haile" <email@hidden>
- Date: Fri, 29 Feb 2008 06:43:44 -0500
I was seeing this a _lot_ when I got my 8 core Mac Pro (Early 2008) a
few days after they were released. The bug I filed in Radar was marked
as a duplicate. I've seen this with Terminal as well as xterm.
The
problem for me didn't clear up with existing xterm but whatever was
causing it would come and go--I didn't have to reboot (as I eventually
learned) to be able to create a new shell, just had to wait a while.
I also haven't seen it for several weeks on my Mac Pro, and I've never seen it on my MacBook Pro.
On Thu, Feb 28, 2008 at 10:50 PM, David Borman <
email@hidden> wrote:
I've had issues with run-away xterms sucking up 99% of a core on my
MBP. However, the issue isn't actually with xterm, it's with the
pseudo tty. There is something wrong with it such that xterm winds up
spinning wildly trying to access it. The actual xterm window doesn't
even get created, it's still in the initialization code. If I leave
that xterm running, I can start up additional xterms. If I kill that
xterm, the next one tries to grab the same pseudo tty and gets stuck
in the same situation.
I tried using fuser to see if any other process was holding the pseudo
tty open, but I couldn't find anything. I've never seen the problem
clear up on its own, I've always had to reboot to get the pseudo ttys
cleaned up. I also haven't been able to figure out a way to reproduce
the problem, it just happens sometimes. It hasn't happened in the
past couple of weeks.
-David Borman
On Feb 28, 2008, at 9:33 PM, dp wrote:
> Running the current drop of the X11 product on a MacBook Pro. I've
> just discovered that if I start an xterm from the terminal program,
> select the new xterm, then press splat+n, the next xterm that pops
> up will suckup 99% of one core. I can start as many as I like from
> the terminal program with xterm&, but any that start from the key
> sequence will do this. I'd been wondering why the cpu temp was so
> high lately and it dropped 15'F when I kill the xterms. I'd be happy
> to answer any questions - the work-around is fine for now but this
> seems to be very not right.
>
> dp
>
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