linux-kernel - Re: kexec reboot broken with ioatdma?

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Message-Id: <1261175000.16958.8.camel@dwillia2-linux.ch.intel.com>
Date:	Fri, 18 Dec 2009 15:23:20 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	Roland Dreier <rdreier@...co.com>
Cc:	Simon Horman <horms@...ge.net.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>
Subject: Re: kexec reboot broken with ioatdma?

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@...co.com>

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

Thanks,
Dan


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