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From: ebiederm@xmission.com (Eric W. Biederman)
To: "Prabhakar K." <krishkar99@yahoo.com>
Cc: fastboot@lists.linux-foundation.org,
	Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [Fastboot] kexec - 2.6.14 - loads BIOS again
Date: Thu, 01 Oct 2009 19:03:08 -0700	[thread overview]
Message-ID: <m11vlma6xv.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <187068.43679.qm@web65716.mail.ac4.yahoo.com> (Prabhakar K.'s message of "Thu\, 1 Oct 2009 14\:09\:33 -0700 \(PDT\)")

"Prabhakar K." <krishkar99@yahoo.com> writes:

> From: Eric W. Biederman <ebiederm@xmission.com>
> Subject: Re: [Fastboot] kexec - 2.6.14 - loads BIOS again
> To: "Prabhakar K." <krishkar99@yahoo.com>
> Cc: "Kexec Mailing List" <kexec@lists.infradead.org>,
> fastboot@lists.linux-foundation.org
> Date: Thursday, October 1, 2009, 6:29 AM
>
> "Prabhakar K." <krishkar99@yahoo.com> writes:
>
>> Sending again as it is not posted yet !!
>>
>> I have back ported to multiple versions of different kexec-tools. Also I
>> disabled watchdogs so that the first kernel reboot is not kicked in.
>> Now, with all those kexec-tools I see that it hangs
>> after post_verification_setup_arch( ).
>> And I had to hard reboot the router box.
>>
>> Is there a specific kexec tools that is known to work with 2.6.14 ? Or any
>> additional changes needed ?
>
> Almost certainly if you are getting as far as kexec-tools you are dying
> someplace early in your target kernel.
>
>>>> OK. What piece of code can cause in the target kernel to die ?
> Can I take any working bzImage or vmlinux of a linux kernel(for that matter any
> linux kernel) and load that as my target kernel ? or does this has any
> restriction ?

Short of bugs in /sbin/kexec it is unrestricted.

Eric

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      reply	other threads:[~2009-10-02  2:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <473364.90108.qm@web65711.mail.ac4.yahoo.com>
2009-09-25 22:10 ` [Fastboot] kexec - 2.6.14 - loads BIOS again Eric W. Biederman
2009-09-28 18:43   ` Prabhakar K.
2009-09-29  0:41     ` Eric W. Biederman
2009-09-29  2:48       ` Prabhakar K.
2009-09-30 19:03       ` Prabhakar K.
2009-10-01  0:07       ` Prabhakar K.
2009-10-01  0:59         ` Eric W. Biederman
2009-10-01 21:09           ` Prabhakar K.
2009-10-02  2:03             ` Eric W. Biederman [this message]

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