linux-kernel - Re: reboot/kexec in 2.6.38

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Date:	Tue, 12 Apr 2011 20:13:05 +0200
From:	Cyril Hrubis <metan@....cz>
To:	Eric Miao <eric.y.miao@...il.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Machek <pavel@....cz>, rpurdie@...ys.net,
	lenz@...wisc.edu, kernel list <linux-kernel@...r.kernel.org>,
	arminlitzel@....de, thommycheck@...il.com,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	dbaryshkov@...il.com, omegamoon@...il.com, utx@...guin.cz,
	zaurus-devel@....linuxtogo.org,
	Marek Vasut <marek.vasut@...il.com>,
	Kexec Mailing List <kexec@...ts.infradead.org>
Subject: Re: reboot/kexec in 2.6.38

Hi!
> >> Enable early_printk to a serial port if you can.
> >>
> >> There is definitely an issue in 2.6.38 where kdump doesn't work, that
> >> right now looks like a memblock issue.
> >
> > Finaly got time to solder serial adapter...
> >
> > And now, after I configured kernel to print to both ttyS0 serial console and
> > tty0 the kexec started to work.
> 
> Cool. Please help check why it didn't work, and see if we have something
> broken.

Hmm, It seems to work now (I've changed the config slightly meanwhile and now
I've been unable to trigger the bug).

Note to myself: save configs that trigger strange behavior.

-- 
metan
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