Re: [Crash-utility] cpu online map changes in 2.6.29
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----- "Michael Holzheu" <holzheu(a)linux.vnet.ibm.com> wrote:
Hi all,
Currently crash does not work with 2.6.29 kernels, because of changes in
the cpu_online_map code:
crash 4.0-8.9
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Red
Hat,
Inc.
...
crash: cannot resolve "cpu_online_map"
Is anybody working on that issue?
Michael
Not that I'm aware of -- you volunteering?
Looks like all 3 cpu_xxx_map references (online, present and possible)
that crash potentially uses need to be able to recognize and handle the
need to access them via their cpu_xxx_mask variables. And as always,
to maintain backwards-compatibility, i.e., to recognize when neither
cpu_xxx_map and cpu_xxx_mask exist, such as in really older kernels...
Let us know if you can undertake the task.
Dave
Tuesday, 21 April
Tue, 21 Apr
8:30 a.m.
New subject: cpu online map changes in 2.6.29
Hi Dave,
Am Dienstag, den 21.04.2009, 08:53 -0400 schrieb Dave Anderson:
Not that I'm aware of -- you volunteering?
That was not the intention of my mail :-)
Looks like all 3 cpu_xxx_map references (online, present and
possible)
that crash potentially uses need to be able to recognize and handle the
need to access them via their cpu_xxx_mask variables. And as always,
to maintain backwards-compatibility, i.e., to recognize when neither
cpu_xxx_map and cpu_xxx_mask exist, such as in really older kernels...
Let us know if you can undertake the task.
I can't promise anything. Maybe I find some time this or next
week.
Michael
----- "Michael Holzheu" <holzheu(a)linux.vnet.ibm.com> wrote:
Hi Dave,
Am Dienstag, den 21.04.2009, 08:53 -0400 schrieb Dave Anderson:
> Not that I'm aware of -- you volunteering?
That was not the intention of my mail :-)
Oh -- I must have misinterpreted the tone of your voice!
> Looks like all 3 cpu_xxx_map references (online, present and possible)
> that crash potentially uses need to be able to recognize and handle the
> need to access them via their cpu_xxx_mask variables. And as always,
> to maintain backwards-compatibility, i.e., to recognize when neither
> cpu_xxx_map and cpu_xxx_mask exist, such as in really older kernels...
>
> Let us know if you can undertake the task.
I can't promise anything. Maybe I find some time this or next
week.
OK thanks, just let me know.
BTW, if you happen to have a sample vmlinux/dumpfile pair (non-s390-ish)
of that kernel vintage that you can make available to me, I can take
a look at it.
Thanks,
Dave
5698
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5698
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Michael Holzheu