Messages in this thread | | | Subject | Re: 82571EB: Detected Hardware Unit Hang | From | Ben Hutchings <> | Date | Mon, 16 Jul 2012 16:47:25 +0100 |
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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.
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.
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