On Tue, Mar 27, 2007 at 04:03:24PM +0900, Magnus Damm wrote:
> On 3/27/07, Vivek Goyal <[EMAIL PROTECTED]> wrote:
> >On Tue, Mar 27, 2007 at 03:28:30PM +0900, Magnus Damm wrote:
> >
> >What is Kexec vmlinux->vmlinux? Do you mean that you first booted a
> >vmlinux and
> >then tried kexecing to same vmlinux? How did you boot into first vmlinux?
>
> I pxeboot into a bzImage, kexec into vmlinux, and then repeat kexecing
> into vmlinux. At this stage the kexec vmlinux operation sometimes
> files.
>
> >Here Rachita is running into some strange issue where kexec on a x86_64,
> >EM64T machine is failing. It seems to be hanging somewhere in purgatory.
>
> I remember having problems using kexec on a certain AMD64 box but the
> same kernel worked just fine on the dual opteron machine sitting next
> to it... I assumed some kind of chipset problem back then and moved on
> to more fun things. =)
>
> >She is using 2.6.21-rc2 kernels and latest kexec-tools. But on the same
> >machine RHEL5 kernel/kexec-tools combination works well. Note, RHEL5 kernel
> >has got relocatable kernel support.
> >
> >Same software setup works on a different x86_64 machine, again EM64T. Very
> >puzzling that what's wrong. She is still debugging this.
>
> It is not so strange that we experience problems IMO. There are
> multiple one-off errors all over the kexec-tools code tree. And maybe
> x86_64 machines are more likely to be equipped with exotic memory
> configurations that triggers certain bugs, who knows.
Hi
When I was trying to use kexec-tools-testing-20061214 with linux-2.6.21-rc2
on an EM64T machine, 'kexec -e' was failing somewhere in the purgatory. I was
able to see outb messages from the purgatory_start till the point of
'call purgatory'. Further outbs from the purgatory() dont appear.
However, kexec works fine with the RHEL5 kexec-tools rpm as well as the
kexec-tools-testing-20070319-rc.
To summarise:
20061214 RHEL5_rpm 20070319 (Kexec-tools)
2.6.21-rc2 kernel Fails Pass Pass
Thanks
Rachita
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