[Crash-utility] Analysis of s390 on x86_64

[Petr Tesarik]

On Mon, 20 May 2019 10:49:01 +0200
Petr Tesarik <ptesarik at suse.cz> wrote:

> On Mon, 20 May 2019 11:28:30 +0300
> Nikolay Borisov <nborisov at suse.com> wrote:
> 
> > On 20.05.19 г. 11:24 ч., Honglei Wang wrote:  
> > > Hi Nikolay,
> > > 
> > > I don't think we can do the s390 analysis just use the x86_64 crash
> > > utility directly. I'm not familiar with cross build, but seems this
> > > linkage might help:
> > > 
> > > https://developer.ibm.com/linuxonpower/2017/07/06/analyzing-openpower-kernel-dump-information-laptop/    
> > 
> > This is exactly which got me started into trying to understand what it
> > takes to analyse s390 on x86_64. . Hence I've referenced the function
> > which is supposed to verify that a particular combination of host and
> > target is supported. I'm now interested in understanding why s390 on
> > x86_64 is not supported.  
> 
> Heh, been there already... ;-)
> 
> That's for many reasons. Bernhard Walle tried to make a crosscrash
> package many years ago. The necessary changes were quite intrusive, and
> Dave wrote clearly that this was unlikely to get merged any time soon.
> 
> I still thought it was a good idea, so as a Hackweek project I started
> writing a tool that can automatically convert the crash utility to a
> cross-platform variant. The (abandoned) sources can be found at
> GitHub[1]. IIRC this work was based on crash-6.0.5, it most likely fails
> miserably with any other version. ;-)

I deleted the link by mistake. Here it is:

[1] https://github.com/ptesarik/xcrash-scripts

Petr T
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