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Message-ID: <1342453645.2523.17.camel@bwh-desktop.uk.solarflarecom.com> Date: Mon, 16 Jul 2012 16:47:25 +0100 From: Ben Hutchings <bhutchings@...arflare.com> To: Henrique de Moraes Holschuh <hmh@....eng.br> CC: "Dave, Tushar N" <tushar.n.dave@...el.com>, Joe Jin <joe.jin@...cle.com>, "e1000-devel@...ts.sf.net" <e1000-devel@...ts.sf.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: 82571EB: Detected Hardware Unit Hang 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@...i.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. Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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