From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"e1000-devel@lists.sf.net" <e1000-devel@lists.sf.net>,
Joe Jin <joe.jin@oracle.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: 82571EB: Detected Hardware Unit Hang
Date: Mon, 16 Jul 2012 13:08:07 -0300 [thread overview]
Message-ID: <20120716160807.GB1765@khazad-dum.debian.net> (raw)
In-Reply-To: <1342453645.2523.17.camel@bwh-desktop.uk.solarflarecom.com>
On Mon, 16 Jul 2012, Ben Hutchings wrote:
> On Sun, 2012-07-15 at 10:35 -0300, Henrique de Moraes Holschuh wrote:
> > On Sun, 15 Jul 2012, Dave, Tushar N wrote:
> > > Somehow setting max payload to 256 from BIOS does not set this value for all devices. I believe this is a BIOS bug.
> >
> > And preferably, Linux should complain about it. Since we know it is going
> > to cause problems, and since we know it does happen, we should be raising a
> > ruckus about it in the kernel log (and probably fixing it to min(path) while
> > at it)...
> >
> > Is this something that should be raised as a feature request with the
> > PCI/PCIe subsystem?
>
> The feature is there, but we ended up with:
>
> commit 5f39e6705faade2e89d119958a8c51b9b6e2c53c
> Author: Jon Mason <mason@myri.com>
> Date: Mon Oct 3 09:50:20 2011 -0500
>
> PCI: Disable MPS configuration by default
>
> But you are welcome to share use of the fixup_mpss_256() quirk.
Meh. I'd be happy with a warning if MPSS decreases when walking up to
the tree root... i.e. a warning if any child has a MPSS larger than the
parent.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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next prev parent reply other threads:[~2012-07-16 16:08 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 8:51 82571EB: Detected Hardware Unit Hang Joe Jin
2012-07-09 9:21 ` Eric Dumazet
2012-07-09 12:19 ` Joe Jin
2012-07-10 7:40 ` Joe Jin
2012-07-10 18:14 ` Wyborny, Carolyn
2012-07-10 19:02 ` Dave, Tushar N
2012-07-10 19:17 ` Dave, Tushar N
2012-07-11 0:34 ` Joe Jin
2012-07-11 1:18 ` Dave, Tushar N
2012-07-11 1:44 ` Joe Jin
2012-07-11 3:22 ` Dave, Tushar N
2012-07-11 3:29 ` Joe Jin
2012-07-11 4:05 ` Dave, Tushar N
2012-07-11 5:03 ` Joe Jin
2012-07-11 7:11 ` Dave, Tushar N
2012-07-11 7:17 ` Joe Jin
2012-07-11 7:37 ` Dave, Tushar N
2012-07-11 7:38 ` Joe Jin
2012-07-11 7:50 ` Dave, Tushar N
2012-07-11 7:53 ` Joe Jin
2012-07-11 18:51 ` Dave, Tushar N
2012-07-12 2:23 ` Joe Jin
2012-07-12 2:52 ` Dave, Tushar N
2012-07-12 2:57 ` Joe Jin
2012-07-12 3:07 ` Dave, Tushar N
2012-07-12 3:12 ` Joe Jin
2012-07-12 5:57 ` Dave, Tushar N
2012-07-12 6:16 ` Joe Jin
2012-07-12 6:41 ` Dave, Tushar N
2012-07-12 7:10 ` Joe Jin
2012-07-12 18:19 ` Dave, Tushar N
2012-07-12 23:46 ` Joe Jin
2012-07-13 4:10 ` Dave, Tushar N
2012-07-13 4:33 ` Joe Jin
2012-07-15 3:42 ` Dave, Tushar N
2012-07-15 3:52 ` Joe Jin
2012-07-15 13:35 ` Henrique de Moraes Holschuh
2012-07-16 15:47 ` Ben Hutchings
2012-07-16 16:08 ` Henrique de Moraes Holschuh [this message]
2012-07-17 4:48 ` Jon Mason
2012-07-17 4:45 ` Jon Mason
2012-11-08 6:24 Joe Jin
2012-11-08 20:35 ` Dave, Tushar N
2012-11-09 1:22 ` Joe Jin
2012-11-14 2:47 ` Joe Jin
2012-11-14 3:45 ` Dave, Tushar N
2012-11-15 0:32 ` Joe Jin
2012-11-15 20:26 ` Dave, Tushar N
2012-11-19 5:38 ` Joe Jin
2012-11-20 8:59 ` Dave, Tushar N
2012-11-20 13:24 ` Joe Jin
2012-11-26 16:23 ` [E1000-devel] " Fujinaka, Todd
2012-11-27 0:59 ` Joe Jin
2012-11-27 2:06 ` Mary Mcgrath
2012-11-27 17:32 ` [E1000-devel] " Fujinaka, Todd
2012-11-27 18:10 ` Ben Hutchings
2012-11-28 8:31 ` Joe Jin
2012-11-28 15:53 ` Fujinaka, Todd
2012-11-29 3:10 ` Ethan Zhao
2012-11-29 15:52 ` Fujinaka, Todd
2012-12-19 3:04 ` Joe Jin
2012-12-19 5:52 ` Yijing Wang
2012-12-19 6:13 ` Joe Jin
2012-11-20 13:24 ` Joe Jin
2012-11-14 3:37 ` Li Yu
2012-11-14 3:43 ` Dave, Tushar N
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