<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.2096" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=573371919-17082004><FONT face=Arial size=2>I have a stituation where a Hyperthreading system needs to automatically come up in a Uniprocessor kernel. I've tried a couple of simepl things, such as running: </FONT></SPAN></DIV> <DIV><SPAN class=573371919-17082004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=573371919-17082004><FONT face=Arial size=2>%post</FONT></SPAN></DIV> <DIV><SPAN class=573371919-17082004><FONT face=Arial size=2>sed '/default/s/0/1/g' /mnt/sysimage/boot/grub/grub.conf</FONT></SPAN></DIV> <DIV><SPAN class=573371919-17082004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=573371919-17082004><FONT face=Arial size=2>And if I force a the system not to reboot, I see that the changes are made. What happens after the post install is finished that is causing Grub to revert to the SMP kerenel?</DIV> <DIV><BR></DIV></FONT></SPAN></BODY></HTML>