kexec reboot broken with ioatdma?

Dan Williams dan.j.williams at
Fri Dec 18 17:23:20 EST 2009

On Fri, 2009-12-18 at 15:20 -0700, Roland Dreier wrote:
> > Subject: ioat2,3: put channel hardware in known state at init
>  > 
>  > Put the ioat2 and ioat3 state machines in the halted state with all
>  > errors cleared.
> Yes, with this applied I was able to kexec reboot from a kernel with
> ioatdma loaded and have ioatdma work in the new kernel.  So:
> Tested-by: Roland Dreier <rolandd at>

What was that, all of 8 minutes to turn that test around! :-) Nice.


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