On Tue, May 08, 2007 at 09:41:09AM -0700, yhlu wrote: > On 5/2/07, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote: > >Vivek Goyal <vgoyal@xxxxxxxxxx> writes: > > > >> On Wed, May 02, 2007 at 02:59:11PM -0700, H. Peter Anvin wrote: > >>> Jeremy Fitzhardinge wrote: > >>> > > >>> > So the bzImage structure is currently: > >>> > > >>> > 1. old-style boot sector > >>> > 2. old-style boot info, followed by 0xaa55 at the end of the sector > >>> > 3. the HdrS boot param block > >>> > 4. setup.S boot code > >>> > 5. the self-decompressing kernel > >>> > > > Eric, > > With the latest change that make vmlinux to be elf64 and make bzImage > do switch to 64bit long mode, the kernel started via kexec can not get > VGA console. but the serial console works well. I wonder if the > setup.S is skipped in bzImage via kexec path. > > or i missed sth? > Hi, setup.S is never executed while doing kexec (unless somebody chooses to do a real mode entry) and these patches don't change this beahviour. Tomorrow I will test VGA behaviour on my machine. Are you using some special frame buffer mode etc? Thanks Vivek _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
