Messages in this thread | | | Date | Mon, 25 Jun 2007 15:06:20 +0200 | From | Björn Steinbrink <> | Subject | Re: [patch, 2.6.22-rc6] fix nmi_watchdog=2 bootup hang |
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On 2007.06.25 08:49:05 -0400, Jeremy Fitzhardinge wrote: > Björn Steinbrink wrote: > >On 2007.06.25 10:26:52 +0200, Ingo Molnar wrote: > > > >>* Ingo Molnar <mingo@elte.hu> wrote: > >> > >> > >>>the winner is ... > >>> > >>> f8822f42019eceed19cc6c0f985a489e17796ed8 is first bad commit > >>> commit f8822f42019eceed19cc6c0f985a489e17796ed8 > >>> Author: Jeremy Fitzhardinge <jeremy@goop.org> > >>> Date: Wed May 2 19:27:14 2007 +0200 > >>> > >>> [PATCH] i386: PARAVIRT: Consistently wrap paravirt ops callsites to > >>> make them patchable > >>> > >>and of course i'm happy to test any patch that is simpler than the > >>brutal revert i sent. > >> > > > >wrmsrl() looks broken, dropping the upper 32bits of the value to be > >written. Does this help? > > > > Crap. That's embarrassing. Does it help, because it seems likely? > (Esp since Ingo didn't even have CONFIG_PARAVIRT enabled, so most of his > revert would have been dead code anyway.)
He has. The config Ingo sent was for x86_64, which (AFAICT) doesn't have CONFIG_PARAVIRT, so the config was unfortunately useless. But his bootlog tells us:
Booting paravirtualized kernel on bare hardware
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