em driver, 82574L chip, and possibly ASPM

[Ivan Voras]

On 23 November 2010 18:39, Sean Bruno <seanbru at yahoo-inc.com> wrote:
> On Tue, 2010-11-23 at 04:47 -0800, Ivan Voras wrote:
>> It looks like I'm unfortunate enough to have to deploy on a machine
>> which has the 82574L Intel NIC chip on a Supermicro X8SIE-F board, which
>> apparently has hardware issues, according to this thread:
>>
>> http://sourceforge.net/tracker/index.php?func=detail&aid=2908463&group_id=42302&atid=447449
>>
>> One of the proposed workarounds is disabling "Active State Power
>> Management" in the BIOS and in the OS.
>>
>> I have disabled it in BIOS but I don't know how to disable it in FreeBSD
>> (apparently only disabling it in BIOS isn't enough).
>>
>> Any ideas on how to achieve the effect in FreeBSD?

> Can I get an example pciconf -lv off of a couple of machines?  I've been
> seeing some "issues" here at big purple that are similar.

> igb0 at pci0:5:0:0:        class=0x020000 card=0x8975152d chip=0x10c98086
> rev=0x01 hdr=0x00
>    vendor     = 'Intel Corporation'
>    class      = network
>    subclass   = ethernet
> igb1 at pci0:5:0:1:        class=0x020000 card=0x8975152d chip=0x10c98086
> rev=0x01 hdr=0x00
>    vendor     = 'Intel Corporation'
>    class      = network
>    subclass   = ethernet

Not the same card, mine is on the em driver.

http://permalink.gmane.org/gmane.os.freebsd.devel.hardware/7584