Re: next-0710: CONFIG_PARAVIRT broken on x86_64?

From: Jeremy Fitzhardinge
Date: Thu Jul 10 2008 - 15:03:02 EST


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?

J
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