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

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Message-ID: <20140922091203.GB23854@darkstar.nay.redhat.com>
Date:	Mon, 22 Sep 2014 17:12:03 +0800
From:	Dave Young <dyoung@...hat.com>
To:	CAI Qian <caiqian@...hat.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	ltp-list <ltp-list@...ts.sourceforge.net>,
	kexec <kexec@...ts.infradead.org>
Subject: Re: [RFC] autokdump - automated kdump testsuite

On 09/19/14 at 05:52am, CAI Qian wrote:
> I plan to release an automated kdump testsuite that will be
> focus on testing kernel and the crash utility. It should work
> for all major distros since it will use none of distro-specific
> stuff, and also support different arches including x86, ARM,
> PPC64 and s390x.
> 
> It does the following:
> 1) check if there is a memory reserved for kdump. If not,
>    reserve the memory and reboot the system.
> 2) once the system is back, load kexec on panic and
>    prepare a separate initramfs that including needed
>    modules to load a local filesystem and necessary utilities
>    in order to analyse /proc/vmcore in the 2nd kernel.
> 3) trigger the system crash using methods like sysrq-c, NMI,
>    and panic_on_hung_task etc.
> 4) in the 2nd kernel, mount a filesystem and use the crash
>    utility to analyse /proc/vmcore. Then, gather the analyse
>    logs, serial console output, dmesg etc into the filesystem.
> 5) reboot back into the 1st kernel.
> 
> implementation:
> It will setup a daemon to handle reboots.
> 
> plan:
> I might also to test the makedumpfile all together later.
>    CAI Qian
> 

Hi, Cai

I noticed you cced redhat internal lists, you'd better to remove
them from cc list so that people do not get confused by the auto reply.

Thanks
Dave 
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