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From: Eric Miao <eric.y.miao@gmail.com>
Date: Tue, 12 Apr 2011 22:46:25 +0800
Message-ID: <BANLkTikZXjfD82DxoahkvUo+26cjvOKZmw@mail.gmail.com>
Subject: Re: reboot/kexec in 2.6.38
To: Cyril Hrubis <metan@ucw.cz>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>, Pavel Machek <pavel@ucw.cz>,
        rpurdie@rpsys.net, lenz@cs.wisc.edu,
        kernel list <linux-kernel@vger.kernel.org>, arminlitzel@web.de,
        thommycheck@gmail.com,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        dbaryshkov@gmail.com, omegamoon@gmail.com, utx@penguin.cz,
        zaurus-devel@www.linuxtogo.org, Marek Vasut <marek.vasut@gmail.com>,
        Kexec Mailing List <kexec@lists.infradead.org>
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On Tue, Apr 12, 2011 at 10:43 PM, Cyril Hrubis <metan@ucw.cz> wrote:
> Hi!
>> >> I think it's config issue. Never heard of this.
>> >
>> > I've just compiled and booted 2.6.38. The kernel boots without problems when
>> > flashed in. But I've had no success with kexec, the last lines I see are:
>> >
>> > Starting new kernel
>>
>> 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.

>
> --
> metan
>
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