On Sun, Jan 06, 2008 at 02:37:29PM +0100, Ingo Molnar wrote: > > * Dhaval Giani <dhaval at linux.vnet.ibm.com> wrote: > > > So I went ahead and bisected -mm, and the culprit is git-x86. It boots > > fine before it, but with git-x86 applied, it fails to boot. > > > > Ingo/Thomas, could you please point me to the git-x86 tree so that I > > can bisect it? (with instructions on how to pull the -mm branch, I > > managed to pull the master branch, but not the -mm branch) > > sure: > > --------------{ x86.git instructions }----------> > > git-clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git linux-2.6.git > cd linux-2.6.git > git-branch x86 > git-checkout x86 > git-pull git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git mm > git-log HEAD@{1}.. # see what's in #mm > Thanks for the instructions. I went ahead and did the bisect, and commit 7dd838ea7afa42a8840cf0e262d5892346ecf379 Author: H. Peter Anvin <hpa at zytor.com> Date: Sat Jan 5 13:27:04 2008 +0100 is the first bad commit. git bisect log dhaval at kernel:~/mm$ git bisect log git-bisect start # good: [439f61b9f9ebbf84fb7e6b3539fc3794e046bbb9] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 git-bisect good 439f61b9f9ebbf84fb7e6b3539fc3794e046bbb9 # bad: [5c9b01f1566f4989bb732a46c9a9c86f3e7ef9ae] x86: unregister PIT clocksource when PIT is disabled git-bisect bad 5c9b01f1566f4989bb732a46c9a9c86f3e7ef9ae # good: [203bcdc3d2725751e4dc0e3749edbab3c8bf9132] move switch_to macro to system.h git-bisect good 203bcdc3d2725751e4dc0e3749edbab3c8bf9132 # good: [81886a1b16eec7a27f3ec94f06f585685ad08bf2] x86: i387 renaming git-bisect good 81886a1b16eec7a27f3ec94f06f585685ad08bf2 # bad: [fc0ed2251da6ef8ad3295a02b39bed9859dc0cfc] x86: unify arch/x86/kernel/Makefile(s) git-bisect bad fc0ed2251da6ef8ad3295a02b39bed9859dc0cfc # good: [6fa16686ee2b0cc6b02a59671ecb9d4c85beae64] change assembly definition of paravirt_patch_site git-bisect good 6fa16686ee2b0cc6b02a59671ecb9d4c85beae64 # bad: [1184caa02fcc2ecd780b145f4c69cc4484a8cde4] git-x86: arch/x86/math-emu/errors.c: fix printk warnings git-bisect bad 1184caa02fcc2ecd780b145f4c69cc4484a8cde4 # good: [e8189d0ca1970578f4b28f92928581313633be5a] x86_64 patching functions git-bisect good e8189d0ca1970578f4b28f92928581313633be5a # bad: [7dd838ea7afa42a8840cf0e262d5892346ecf379] i386: handle an initrd in highmem git-bisect bad 7dd838ea7afa42a8840cf0e262d5892346ecf379 # good: [8cff7d1301d37b15add1dabe6ac8a92e6c0a1c7f] i386 EFI runtime service support: fixes in sync with x86_64 support git-bisect good 8cff7d1301d37b15add1dabe6ac8a92e6c0a1c7f # good: [ac3836d03c718a553634ff21c1157bb823567f4f] x86: arch/x86/kernel/setup_32.c whitespace fixes git-bisect good ac3836d03c718a553634ff21c1157bb823567f4f -- regards, Dhaval