linux-kernel - Re: [RFC] autokdump - automated kdump testsuite

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Message-ID: <20140923120959.GB1732@redhat.com>
Date:	Tue, 23 Sep 2014 08:09:59 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	CAI Qian <caiqian@...hat.com>
Cc:	ltp-list <ltp-list@...ts.sourceforge.net>,
	kexec <kexec@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	crash-utility <crash-utility@...hat.com>
Subject: Re: [RFC] autokdump - automated kdump testsuite

On Mon, Sep 22, 2014 at 10:53:55PM -0400, CAI Qian wrote:

[..]
> > Why not simply let the respective service on the host do this job and
> > test only makes sure that kdump service is running. It feels little
> > out of place that a test is generating custom initramfs.
> Because not every distro will have a kdump service like Fedora.

So which distro does not have a service? Do we know this or we are
assuming that distributions don't have a service to load/unload
kdump kernel.

[..]
> > makedumpfile will reduce the vmcore file size to few hundreds of mega
> > bytes on most of the systems. Especially, this is just a test, so
> > system will be lightly loaded and vmcore will be small after filtering.
> It probably actually have test cases to heavily loaded the memory before
> dumping.

Your original proposal does not take care of this case either. A test
case could be heavily used memory and if user does not have sufficient
memory to save core, so be it. That test will fail.

Thanks
Vivek
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