[Crash-utility] Crash fails for 2.6.19.2 kernel
Marc Milgram
mmilgram at egenera.com
Tue Jan 16 13:54:57 UTC 2007
Thanks,
I built the latest version of crash, but was using an old version.
Oops. Now I am past that problem.
Unfortunately, now I get System.map and /dev/crash do not match!
I probably built the kernel incorrectly for crash. I will investigate.
-Marc
On Mon, 2007-01-15 at 17:18 -0500, Dave Anderson wrote:
> Marc Milgram wrote:
> > I tried to use crash on a 2.6.19.2 dump, but it failed with the
> > following complaint:
> > crash: cannot resolve "system_utsname"
> >
> > I found that there is no longer a symbol by that name in 2.6.19.2.
> > It
> > appears to be referenced by init_urs_ns->name, but I didn't
> > investigate
> > fully. The important issue for me is that crash doesn't work.
> >
> > -Marc
> >
> >
> What version of crash? The crash changelog refers to a fix
> for that quite some time ago:
>
> 4.0-2.31 - Bumped crash-internal NR_CPUS for x86 and ia64; added a
> warning
> message to "recompile crash" and forced an initialization
> failure
> when the kernel's configured NR_CPUS is greater than the
> maximum
> allowed NR_CPUS value compiled into crash.
> (maneesh at in.ibm.com, anderson at redhat.com)
>
> - Fix for initialization failure indicating a
> kernel/memory-source
> mismatch when x86 kernel configures its physical memory
> start
> address higher than the traditional 1MB starting point.
> (anderson at redhat.com)
>
> - Fix for kernels that have replaced the "system_utsname"
> data
> structure with contents of the "init_uts_ns" data
> structure.
> This fixes a "crash: cannot resolve system_utsname"
> initialization
> failure. (pbadari at us.ibm.com, anderson at redhat.com)
>
> ...
>
>
>
> --
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