[PATCH 0/3] Make kexec work with ibmvscsi/ibmveth

[Michael Ellerman]

On Fri, 5 Aug 2005 08:39, Paul Mackerras wrote:
> Michael Ellerman writes:
> > On our Power5 we have vscsi and veth installed. When trying to kexec a
> > new kernel the vscsi and veth initialisation fails because the previous
> > kernel didn't clean up properly and as far as the Hypervisor is concerned
> > is still connected.
> >
> > The fix is, perhaps, to add a shutdown() function to the vio_driver
> > struct so that vscsi and veth have a chance to disconnect from the
> > Hypervisor at reboot.
>
> But if we are using kexec to do kdump, and the kernel panics, the
> driver's shutdown method won't get called.  We should instead harden
> the driver so that it can cope with the error from the hypervisor and
> recover, I think.

You're right, that's a much better idea.

cheers

-- 
Michael Ellerman
IBM OzLabs

email: michael:ellerman.id.au
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wwweb: http://michael.ellerman.id.au
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We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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