Chuck Ebbert wrote, On 11/07/2007 03:32 PM:
On 11/07/2007 10:13 AM, Todd Denniston wrote:
Folks,
While attempting to get xorg working[1] in vesa and fbdev mode with the
CF52 I have, I tried using the nosmp boot option and received an
unexpected result on boot. Fortunately I don't require nosmp to get the
system working, but I definitely was not expecting the nosmp option to
cause a failure of the ata subsystem.
Try maxcpus=1
normal boot (no nosmp or maxcpus=1)
grub outputs:
kernel /vmlinuz-2.6.23.1-42.fc8 ro root=LABEL=/ rhgb quiet
grub outputs:
kernel /vmlinuz-2.6.23.1-42.fc8 ro root=LABEL=/ maxcpus=1 rhgb quiet
maxcpus=1 bios result
--------- ---- ------
!use smp Boots and works normally, modulo X problems.
!use !smp Boots and works normally, modulo X problems.
use !smp Boots and works normally, modulo X problems.
use smp Boots and works normally, modulo X problems.
grub outputs:
kernel /vmlinuz-2.6.23.1-42.fc8 ro root=LABEL=/ nosmp rhgb quiet
nosmp bios result
----- ---- ------
!use smp Boots and works normally, modulo X problems.
!use !smp Boots and works normally, modulo X problems.
use smp Fails with ata1: COMRESET failed
use !smp Fails with ata1: COMRESET failed
Interesting...
`nosmp` !(exactly)= `maxcpus=1` ???
--
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter
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