From: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Subject: Re: [Fastboot] kexec - 2.6.14 - loads BIOS again
To: "Prabhakar K." <krishkar99 at yahoo.com>
Cc: "Kexec Mailing List" <kexec at lists.infradead.org>, fastboot at lists.linux-foundation.org
Date: Thursday, October 1, 2009, 6:29 AM
"Prabhakar K." <krishkar99 at 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 ?thanks for your input !!
> Any inputs welcome , thanks in advance !!
>
Please CC me in reply.
Eric
--- On Thu, 10/1/09, Eric W. Biederman <ebiederm at xmission.com> wrote:
From: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Subject: Re: [Fastboot] kexec - 2.6.14 - loads BIOS again
To: "Prabhakar K." <krishkar99 at yahoo.com>
Cc: "Kexec Mailing List" <kexec at lists.infradead.org>, fastboot at lists.linux-foundation.org
Date: Thursday, October 1, 2009, 6:29 AM
"Prabhakar K." <krishkar99 at 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.
> Any inputs welcome , thanks in advance !!
>
> Please CC me in reply.
Eric
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