Re: [Fastboot] Re: Kdump Testing

From: Nagesh Sharyathi
Date: Mon Apr 25 2005 - 07:17:27 EST


vgoyal@xxxxxxxxxxxxxxxxxxxxxxx wrote on 23/04/2005 09:00:03:

> Quoting "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>:

> > Nagesh Sharyathi <sharyathi@xxxxxxxxxx> writes:
> >
> > > Here is the console boot log, before the machine jumps to BIOS
> > > after hang during panic kerenl boot
> >
> > Ok thanks. So this is manually triggered with SysRq
> > and the kexec part works but the recover kernel simply fails
> > to boot.
> >
> > It looks like that hunk of the ACPI code that messes up maxcpus=1
> > needs to be looked at.

> It works well with Uniporcessor capture kernel. For the time being
sufficient
> to capture the dump but it is always good idea to be able to boot
> and SMP kernel
> as well.
>
> Vivek
I verified on my machine where earlier kdump used to fail and after
disabling CONFIG_SMP(ie CONFIG_SMP=n) crash kernel boots properly and I am
able to take the memory dump
Regards
Sharyathi

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