linux-kernel - Re: next-0710: CONFIG_PARAVIRT broken on x86

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Date:	Fri, 11 Jul 2008 09:59:23 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: next-0710: CONFIG_PARAVIRT broken on x86_64?

At Thu, 10 Jul 2008 12:02:37 -0700,
Jeremy Fitzhardinge wrote:
> 
> Takashi Iwai wrote:
> > At Thu, 10 Jul 2008 07:50:36 -0700,
> > Jeremy Fitzhardinge wrote:
> >   
> >> Takashi Iwai wrote:
> >>     
> >>> Hi,
> >>>
> >>> does paravirt work on x86_64 with the recent linux-next kernels?
> >>> I have a boot problem, a segfault of init at the very beginning.
> >>>
> >>>   Freeing memory ...
> >>>   init[1]: segfault ... in libc-2.8.so
> >>>
> >>> The backtrace is like below:
> >>>   ? do_coredump
> >>>   ? blocking_notifier_call_chain
> >>>   do_exit
> >>>   do_group_exit
> >>>   get_signal_to_deliver
> >>>   do_notify_resume
> >>>   ? do_wait
> >>>   ? default_wake_function
> >>>   retint_signal
> >>>
> >>> The kconfig is below.  When I set CONFIG_PARAVIRT=n, it works fine.
> >>>
> >>> The problem exists at least since 20080703 until today, maybe in the
> >>> earlier versions, too.  The similar config works on i386.
> >>>   
> >>>       
> >> Is your userspace 32 or 64 bit?
> >>     
> >
> > 64bit.
> >   
> 
> Booting native or under kvm?

Native.  Booted on a HP machine with two Intel x86-64 CPUs.


thanks,

Takashi
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