From: Avi Kivity <avi@redhat.com>
To: Jon Mason <jdmason@kudzu.us>
Cc: Jon Mason <mason@myri.com>, Sven Schnelle <svens@stackframe.org>,
Simon Kirby <sim@hostway.ca>,
Eric Dumazet <eric.dumazet@gmail.com>,
Niels Ole Salscheider <niels_ole@salscheider-online.de>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Ben Hutchings <bhutchings@solarflare.com>
Subject: Re: Workaround for Intel MPS errata
Date: Wed, 05 Oct 2011 14:09:29 +0200 [thread overview]
Message-ID: <4E8C48F9.2070707@redhat.com> (raw)
In-Reply-To: <20111005034636.GA8618@kudzu.us>
On 10/05/2011 05:46 AM, Jon Mason wrote:
> Hey Avi,
> I believe this will fix the issue (assuming the errata is the issue in
> the first place). You'll need to apply the patch on top of Linus'
> latest code and re-enable the MPS tuning (as it is now off by
> default). This can be done by adding "pci=pcie_bus_safe" to your boot
> args.
>
> After thinking about it some more, a PCI quark is the correct way of
> doing things. We must always disable read completion coalescing due
> to the possibility of hotplugging a device with a MPS of 256B. Also,
> I believe everyone will think this is much cleaner.
Agree.
> Let me know how it goes and thanks again for testing this for me.
Works perfectly now. Thanks.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2011-10-05 12:10 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 17:01 [REGRESSION] e1000e failure triggered by "PCI: Remove MRRS modification from MPS setting code" Avi Kivity
2011-09-27 17:59 ` Jon Mason
2011-09-27 18:28 ` Avi Kivity
2011-09-27 20:11 ` Jon Mason
2011-09-29 4:33 ` Benjamin Herrenschmidt
2011-09-29 13:53 ` Jon Mason
2011-09-30 0:16 ` Workaround for Intel MPS errata Jon Mason
2011-09-30 2:21 ` Jesse Brandeburg
2011-09-30 2:51 ` Jon Mason
2011-09-30 5:01 ` Bjorn Helgaas
2011-09-30 15:35 ` Jon Mason
2011-09-30 17:17 ` Bjorn Helgaas
2011-09-30 17:38 ` Jon Mason
2011-09-30 17:57 ` Bjorn Helgaas
2011-09-30 7:03 ` Rolf Eike Beer
2011-09-30 15:39 ` Jon Mason
2011-10-02 9:26 ` Avi Kivity
2011-10-03 4:58 ` Jon Mason
2011-10-03 10:11 ` Avi Kivity
2011-10-03 15:12 ` Jon Mason
2011-10-04 9:46 ` Avi Kivity
2011-10-04 13:06 ` Avi Kivity
2011-10-04 13:11 ` Jon Mason
2011-10-04 20:12 ` Jon Mason
2011-10-05 3:46 ` Jon Mason
2011-10-05 12:09 ` Avi Kivity [this message]
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