linux-kernel - Re: Add Thinkpad SL510 to pci=nocrs blacklist

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Date:	Wed, 11 Jan 2012 09:08:59 -0700
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Dave Jones <davej@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>, x86@...nel.org,
	linux-pci@...r.kernel.org
Subject: Re: Add Thinkpad SL510 to pci=nocrs blacklist

On Wed, Jan 4, 2012 at 10:10 AM, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> On Wed, 4 Jan 2012 11:30:52 -0500
> Dave Jones <davej@...hat.com> wrote:
>
>> Enabling CRS by default breaks suspend on the Thinkpad SL510.
>> Details in https://bugzilla.redhat.com/show_bug.cgi?id=769657
>>
>> Reported-by: Stefan Kirrmann <stefan.kirrmann@...il.com>
>> Signed-off-by: Dave Jones <davej@...hat.com>
>>
>> --- linux-3.1.noarch/arch/x86/pci/acpi.c~     2011-12-30 14:42:43.495717907 -0500
>> +++ linux-3.1.noarch/arch/x86/pci/acpi.c      2011-12-30 14:45:09.296198024 -0500
>> @@ -72,6 +72,16 @@ static const struct dmi_system_id pci_us
>>                       DMI_MATCH(DMI_BOARD_NAME, "0M273C"),
>>               },
>>       },
>> +     /* https://bugzilla.redhat.com/show_bug.cgi?id=769657 */
>> +     {
>> +             .callback = set_nouse_crs,
>> +             .ident = "Thinkpad SL510",
>> +             .matches = {
>> +                     DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
>> +                     DMI_MATCH(DMI_BOARD_NAME, "2847DFG"),
>> +                     DMI_MATCH(DMI_BIOS_VERSION, "6JET85WW (1.43 )"),
>> +             },
>> +     },
>>       {}
>>  };
>>
>>
>>
>
> Ah I see the Thinkpad patch now... applied this one too.   Thanks.

+linux-pci

I think we should hold off on this one, too.  We (at least I) don't
understand the root cause here.

Bjorn
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