* commit 641fb03992b20aa640781a245f6b7136f0b845e4 broke MMU
@ 2008-10-15 14:07 Alexander Graf
0 siblings, 0 replies; 3+ messages in thread
From: Alexander Graf @ 2008-10-15 14:07 UTC (permalink / raw)
To: kvm; +Cc: Avi Kivity, mtosatti
Hi,
while trying to run the current openSUSE on git KVM I found that the
installation doesn't even boot properly. I bisected the problem down to
commit 641fb03992b20aa640781a245f6b7136f0b845e4, as of which udev shows
strange errors.
I reproduced the incorrect behavior reliably on an AMD machine with
npt=0, but since the mmu code is generic I assume that everyone suffers
from this.
To reproduce the problem, do the following:
wget
http://download.opensuse.org/factory/repo/oss/boot/x86_64/loader/{linux,initrd}
qemu-system-x86_64 -m 512 /dev/null -kernel linux -initrd initrd
Since I'm not too much into mmu code, I hope someone else will take a
deeper look at this.
Alex
^ permalink raw reply [flat|nested] 3+ messages in thread[parent not found: <48F5ECE4.5080804@suse.de>]
* Re: commit 641fb03992b20aa640781a245f6b7136f0b845e4 broke MMU
[not found] <48F5ECE4.5080804@suse.de>
@ 2008-10-16 8:58 ` Avi Kivity
2008-10-16 10:51 ` Alexander Graf
0 siblings, 1 reply; 3+ messages in thread
From: Avi Kivity @ 2008-10-16 8:58 UTC (permalink / raw)
To: Alexander Graf; +Cc: KVM list, mtosatti
Alexander Graf wrote:
> Hi,
>
> while trying to run the current openSUSE on git KVM I found that the
> installation doesn't even boot properly. I bisected the problem down
> to commit 641fb03992b20aa640781a245f6b7136f0b845e4, as of which udev
> shows strange errors.
>
> I reproduced the incorrect behavior reliably on an AMD machine with
> npt=0, but since the mmu code is generic I assume that everyone
> suffers from this.
>
> To reproduce the problem, do the following:
>
> wget
> http://download.opensuse.org/factory/repo/oss/boot/x86_64/loader/{linux,initrd}
>
> qemu-system-x86_64 -m 512 /dev/null -kernel linux -initrd initrd
>
>
> Since I'm not too much into mmu code, I hope someone else will take a
> deeper look at this.
>
I think this was fixed by e74bb3fa8e55284dc6fdd68aa9da833ce07a4295
("KVM: MMU: sync root on paravirt TLB flush").
(update your address book entries for kvm-devel and for me...)
--
error compiling committee.c: too many arguments to function
^ permalink raw reply [flat|nested] 3+ messages in thread
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2008-10-15 14:07 commit 641fb03992b20aa640781a245f6b7136f0b845e4 broke MMU Alexander Graf
[not found] <48F5ECE4.5080804@suse.de>
2008-10-16 8:58 ` Avi Kivity
2008-10-16 10:51 ` Alexander Graf
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