linux-kernel - Re: [PATCH 1/2] I/OAT: Add watchdog/reset functionality to ioatdma driver

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Date:	Tue, 22 Jul 2008 16:27:02 -0700
From:	"Dan Williams" <dan.j.williams@...el.com>
To:	"Brice Goglin" <Brice.Goglin@...ia.fr>
Cc:	"Maciej Sosnowski" <maciej.sosnowski@...el.com>,
	shannon.nelson@...el.com, linux-kernel@...r.kernel.org,
	net-dev@...r.kernel.org
Subject: Re: [PATCH 1/2] I/OAT: Add watchdog/reset functionality to ioatdma driver

On Fri, Jul 18, 2008 at 2:51 PM, Brice Goglin <Brice.Goglin@...ia.fr> wrote:
> Dan Williams wrote:
>>>> Sleep time in self_test has been increased to 10ms
>>>> since in some cases 1ms appeared not to be enough
>>> Thanks Maciej, this helps a lot here.
>>>
>>
>> Can I interpret this as a "Tested-by" for the watchdog and/or the self_test fix?
>
> The sleep time increase to 10ms has been tested for a while (and helps a
> lot here).
>

On my system I can still occasionally reproduce the self-test failure
with this longer timeout.  I think we should hold off on this band-aid
patch until the root cause is found.  We can get this fix in after the
merge window closes.

> I don't know about the watchdog yet.

This one has been observed to fix the hang condition so I will include
it in my upcoming pull request.  Holler if your testing proves
otherwise.

Thanks,
Dan
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