On Wed, Oct 09, 2013 at 02:27:05PM +0200, Peter Zijlstra wrote: > On Wed, Oct 09, 2013 at 08:19:11PM +0800, Fengguang Wu wrote: > > > > Fengguang, I do not think this will help, but just in case. Could you > > > > show the result of > > > > > > > > $ kernel/task_work.s > > > > Update: I recompiled the kernel with gcc 4.4.7 and find it booting fine! > > > # 208 "/c/wfg/tip/arch/x86/include/asm/bitops.h" 1 > > bts $1, 8(%eax); setc %dl #,, c > > That compiler doesn't appear to have asm goto support, so we fall back > to the code we already knew worked :-)
Ah OK.. btw, here is a simple script I used to reproduce the problem. I'll attach the 3MB yocto initrd in another email. However I suspect whatever initrd would be OK. Thanks, Fengguang
kvm-0day.sh
Description: Bourne shell script
