[tboot-devel] How to build old kernel with CONFIG_INTEL_TXT

2010-08-17 Thread Younghwan Go
Hi. I've been working on tboot. I was successful in running tboot but I encountered a problem when it was trying to boot my kernel. It says that it cannot find the root device. I asked around and was told that I need to build kernel with CONFIG_INTEL_TXT. I thought it was done after enabling vt-d

Re: [tboot-devel] How to build old kernel with CONFIG_INTEL_TXT

2010-08-17 Thread Wang, Shane
Younghwan Go, If you want to build kernel with tboot/TXT support, you should use >= 2.6.33 and set 'CONFIG_INTEL_TXT=y' by "make menuconfig". Can you check your "root=XXX" in your grub? I assume you have the following grub menu. root (hd0,0) kernel /tboot.gz logging=serial,vga,memory

Re: [tboot-devel] How to build old kernel with CONFIG_INTEL_TXT

2010-08-17 Thread Younghwan Go
Hi. I was successful in booting without tboot.gz and the sinit. As I was searching, I came upon a site "http://lkml.org/lkml/2009/3/31/24"; It said that with the patch given on the page, kernel 2.6.29 was successful in running tboot. So I changed my linux kernel 2.6.30 with the patch given. But