Re: [Fastboot] Re: Re: tg3: issue for reboot/kexec

Eric W. Biederman
2005-07-01T01:27:51Z

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Haren Myneni <haren@us.ibm.com> writes:

> Eric W. Biederman wrote:
>
>>A couple stray bits of feedback. Downing the interface is generally
>>a user space requirement like unmounting filesystems.
>>/sbin/kexec and /sbin/reboot both perform this operation so I don't
>>see how this bug was hit.
>>
>>
>>
> Thanks for your feedback. We are still working on kexec tools for PPC64. In the
> mean time, I was using a temporary tool which does not do ifdown. I was in the
> impression that the kexec boot will be successful since the normal kexec code
> path (kernel/sys.c) contains device_shutdown/reboot notifier. It turns out I am
> wrong.

Buggy drivers will do that to you as well. But not doing a clean shutdown
(downing interfaces, and unmounting the filesystems) doesn't help things :)

Eric