CPU overdrive

Since recompiling MOL for 2.16.20 (Ubuntu), it's running at
90%+ CPU  
all the time, even when the virtual Mac (OSX 10.4.8) is
doing  
absolutely nothing (according to top).  It never used to do
this, CPU  
usage used to be more like 30-50% when the VM was idle.

Maybe something to do with the USB code, running strace
suggests that  
the MOL process is constantly trying to access
/proc/bus/usb/005,  
which doesn't actually exist.  I don't have any USB devices
connected.

Anyone else seeing this?

Cheeri,
Calum.
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On 29 Jan 2007, at 18:16, Calum Benson wrote:

> Since recompiling MOL for 2.16.20 (Ubuntu)
                            ^^^^^^^
Er, 2.6.20, that is...
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Calum Benson wrote:
> Since recompiling MOL for 2.16.20 (Ubuntu), it's
running at 90%+ CPU  
> all the time, even when the virtual Mac (OSX 10.4.8) is
doing  
> absolutely nothing (according to top).  It never used
to do this, CPU  
> usage used to be more like 30-50% when the VM was
idle.

Can you try copying /dev/nvram to nvram.x
(/var/lib/mol/nvram.x is 
the default location).

> Maybe something to do with the USB code, running strace
suggests that  
> the MOL process is constantly trying to access
/proc/bus/usb/005,  
> which doesn't actually exist.  I don't have any USB
devices connected.

It could be, I'm not seeing it here, but I did notice a
similar 
issue with a zeroed out nvram file and 10.4.  To work around
it for 
now, make install copies the nvram.dist to nvram.x, but it's
just 
papering over the problem for now.

Some machines have built in USB devices (USB touchpad? 
Modem?). 
Does /proc/bus/usb/005 not exist, or the device itself?

-Joe
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On 29 Jan 2007, at 22:35, Joseph Jezak wrote:

> Calum Benson wrote:
>> Since recompiling MOL for 2.16.20 (Ubuntu), it's
running at 90%+ CPU
>> all the time, even when the virtual Mac (OSX
10.4.8) is doing
>> absolutely nothing (according to top).  It never
used to do this, CPU
>> usage used to be more like 30-50% when the VM was
idle.
>
> Can you try copying /dev/nvram to nvram.x
(/var/lib/mol/nvram.x is
> the default location).

Okay, will try that tomorrow.

> Some machines have built in USB devices (USB touchpad? 
Modem?).
> Does /proc/bus/usb/005 not exist, or the device
itself?

Yes, should have been more explicit, sorry-- the directory
/proc/bus/ 
usb/005 doesn't exist, although 001-004 are there.

Cheeri,
Calum.
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On 29 Jan 2007, at 22:35, Joseph Jezak wrote:

> Calum Benson wrote:
>> Since recompiling MOL for 2.16.20 (Ubuntu), it's
running at 90%+ CPU
>> all the time, even when the virtual Mac (OSX
10.4.8) is doing
>> absolutely nothing (according to top).  It never
used to do this, CPU
>> usage used to be more like 30-50% when the VM was
idle.
>
> Can you try copying /dev/nvram to nvram.x
(/var/lib/mol/nvram.x is
> the default location).

That seems to have done the trick, thanks.  (It's still
constantly  
looking for that USB device, but CPU usage is now normal, so
I guess  
those two things are unrelated.)

Cheeri,
Calum.
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