OSX in MOL crashes

Samuel Rydh mol-general@lists.maconlinux.org
Tue, 17 Jun 2003 00:58:47 +0200


On Mon, Jun 16, 2003 at 04:02:43PM -0400, Nirmal Govind wrote:
> Hi... I get the following error in OSX under MOL and everything hangs.. only 
> way is to kill MOL from the terminal in Linux and restart. I've noticed that 
> this happens usually after I start using OSX after MOL comes back from 
> auto-sleep (cos I've been working on Linux)..  here's the error:
> 
> ablk iofunc: Input/output error
> ABlk engine error

I suggest you check the syslog for disk related error
messages ('dmesg' might be useful). Normally, this
message means that the kernel failed to read some sector
so you might have a bad disk...

> Also, OSX seems much slower when it comes back from MOL sleep.. is there any 
> way to turn off this auto-sleep feature?

Is DMA still on (/sbin/hdparm -i /dev/hdX)? If the error above
was indeed caused by a disk-related problem then DMA might
have been turned off (this will impact performance significantly,
in particular under MOL).

Cheers,

/Samuel