Kernel later than kernel-2.6.15-1.1833_FC4.i686.rpm SATA broken?
davej at redhat.com
Thu Sep 21 02:01:51 UTC 2006
On Wed, Sep 20, 2006 at 08:24:30PM -0500, Jay Cliburn wrote:
> Dave Jones wrote:
> > - edit the /boot/grub/menu.lst and the line that begins
> > kernel /vmlinuz-2.6.17-1.3000 blahblah..
> > add at the end..
> > boot_delay=500
> Where is this boot_delay option documented? I can't find it in
> kernel-parameters.txt or any grub document.
In the Kconfig option in the kernel..
+ bool "Delay each boot message by N milliseconds"
+ depends on DEBUG_KERNEL
+ This build option allows you to read kernel boot messages
+ by inserting a short delay after each one. The delay is
+ specified in milliseconds on the kernel command line,
+ using "boot_delay=N".
+ It is likely that you would also need to use "lpj=M" to preset
+ the "loops per jiffie" value.
+ See a previous boot log for the "lpj" value to use for your
+ system, and then set "lpj=M" before setting "boot_delay=N".
+ NOTE: Using this option may adversely affect SMP systems.
+ I.e., processors other than the first one may not boot up.
+ BOOT_DELAY also may cause DETECT_SOFTLOCKUP to detect
+ what it believes to be lockup conditions.
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