[Crash-utility] How to open 32 bit dom0 kdump....

[LI, Feng]

Thanks Dave,

I had tried another combination: 32 bit Xen kernel with 32 bit Dom0 kernel,
but I have the similar issue. The vmcore file is still in 64 bit format.
(Our system has a large memory configuration 8GB-192GB), Is there any way I
can generate elf32 vmcore file ?

Thanks.

On Fri, Sep 10, 2010 at 5:03 PM, Dave Anderson <anderson at redhat.com> wrote:

>
> ----- "Feng LI" <funglee at gmail.com> wrote:
>
> > Thanks Dave.
> >
> > I attached the output of elfread -a with this email...
>
> Hmmm -- now that I think about it, it's seems that the crash
> utility has never supported dom0 vmcores generated from this
> type of Xen hypervisor/dom0 combination.
>
> Red Hat kernel versions come with the xen.gz and vmlinuz files
> packaged together, i.e., both 64-bit or both 32-bit:
>
>  # rpm -qpl kernel-xen-2.6.18-219.el5.x86_64.rpm
>  /boot/.vmlinuz-2.6.18-219.el5xen.hmac
>  /boot/System.map-2.6.18-219.el5xen
>  /boot/config-2.6.18-219.el5xen
>  /boot/symvers-2.6.18-219.el5xen.gz
>  /boot/vmlinuz-2.6.18-219.el5xen
>  /boot/xen-syms-2.6.18-219.el5
>  /boot/xen.gz-2.6.18-219.el5       <= 64-bit
>  ...
>
>  # rpm -qpl kernel-xen-2.6.18-219.el5.i686.rpm
>  /boot/.vmlinuz-2.6.18-219.el5xen.hmac
>  /boot/System.map-2.6.18-219.el5xen
>  /boot/config-2.6.18-219.el5xen
>  /boot/symvers-2.6.18-219.el5xen.gz
>  /boot/vmlinuz-2.6.18-219.el5xen
>  /boot/xen-syms-2.6.18-219.el5
>  /boot/xen.gz-2.6.18-219.el5       <= 32-bit
>  ...
>
> So, it's highly unlikely that either internally to Red Hat,
> or any of our customers, would ever run such a combination.
> And I don't recall ever working with the crash utility to
> support it.
>
> I'm curious whether anybody on this list has ever done this?
>
> After all these years of Xen existence, you would think that
> somebody else would have bumped into this anomoly before...
>
> Dave
>
> --
> Crash-utility mailing list
> Crash-utility at redhat.com
> https://www.redhat.com/mailman/listinfo/crash-utility
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/crash-utility/attachments/20100911/9afa7d1a/attachment.htm>