[Tfug] grub question

[Stephen Hooper]

On Wed, 2005-06-15 at 15:15 -0700, Joel Howard wrote:
> Friends at TFUG:
> 
> Anyone out there know how to test if boot options (boot parameters) are 
> being passed successfully through grub?  In /boot/grub/menu.lst, I'm 
> using the following in the altoptions section:
> 
> # altoptions=nmi_watchdog=1
> # altoptions=mem=512MB
> # altoptions=mem=nopentium
> 
> Since this is part of the "automagic" section, I assume the items with 
> single pound signs are actually read by the program and not considered 
> comments.  I'm also assuming ## or ### are commented items. 
> As a test, I changed mem=512MB to 256MB, then tried the "free" command.  
> It still saw all 512 MB of my RAM.  The other options are my efforts to 
> get rid of GUI freezeups and the following info in my syslog and 
> messages (which fills these files constantly whenever I'm doing anything 
> with X running):
> 
> Uhhuh. NMI received for unknown reason 2d on CPU 0.   (or sometimes 
> alternated with "3d")
> Jun 15 14:13:31 hyde kernel: Dazed and confused, but trying to continue
> Jun 15 14:13:31 hyde kernel: Do you have a strange power saving mode 
> enabled?
> 
> I don't seem to be getting any verbose info from the NMI watchdog.
> I have all power support in BIOS and kernel OFF.
> 
> ??????????   TIA for any ideas...
> Joel Ho

Did you try reading in /proc/cmdline to see what options were passed to
the running kernel?