Does kexec on IA64 work?
tuskentower at gmail.com
Mon May 14 13:13:19 EDT 2007
On 5/11/07, Bernhard Walle <bwalle at suse.de> wrote:
> * Amul Shah <amul.shah at unisys.com> [2007-05-11 23:12]:
> > I am using a redhat derived 2.6.18 linux kernel and I am experiencing a
> > panic when the second kernel boots. I can't find the exact set of
> > emails that I want to tell me that kexec on IA64 isn't ready yet.
> Well, it basically works ...
> > Horms said this a month ago:
> > https://lists.linux-foundation.org/pipermail/fastboot/2007-March/013286.html
> > My recommendation is that 2.6.21rc3 is a farily good release for
> > kexec,
> > and if you aren't worried about ia64 then 2.6.20 is probably
> > good too.
> > If you really need something against 2.6.9, then I guess you
> > will have
> > to try to pull the patches out of git, but that is going to be
> > really hard work given that 2.6.9 is quite old now.
> > For the curious, the panic log is below. I did a cursory inspection of
> > the kernel sources and found that the function start_secondary is called
> > from head.S. I don't know much about IA64 arch and assembly, so I
> > thought I would ask first if the IA64 implementation works.
> Did you try the 'maxpus=1' option for the panic kernel?
I'll give the maxcpus option a try. However, I used a kexec since the
kdump failed and the people testing the functionality weren't sure
what else to do.
Amul (yes the same as the thread initiator)
More information about the kexec