[Crash-utility] Crash fails for 2.6.19.2 kernel

[Dave Anderson]

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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