2007-01-17 23:34:58

by Adam Kropelin

[permalink] [raw]
Subject: Re: intel 82571EB gigabit fails to see link on 2.6.20-rc5 in-tree e1000 driver (regression)

> Allen Parker wrote:
>> Allen Parker wrote:
>>> From what I've been able to gather, other Intel Pro/1000 chipsets
>>> work fine in 2.6.20-rc5. If the e1000 guys need any assistance
>>> testing, I'll be more than happy to volunteer myself as a guinea pig
>>> for patches.
>>
>> I wasn't aware that I was supposed to post this as a regression, so
>> changed the subject, hoping that someone will pick this up and run with
>> it. Primary issue being that link is not seen on this chipset under
>> 2.6.20-rc5 via in-tree e1000 driver, despite multiple cycles of ifconfig
>> $eth up && ethtool $eth | grep link && ifconfig $eth down. Tested on 2
>> machines with identical hardware.
>
> I asked Allen to report this here. I'm working on the issue as we speak
> but for now I'll treat the link issue as a known regression once I
> confirm it. If others have seen it then I'd like to know ASAP of course

I am experiencing the no-link issue on a 82572EI single port copper
PCI-E card. I've only tried 2.6.20-rc5, so I cannot tell if this is a
regression or not yet. Will test older kernel soon.

Can provide details/logs if you want 'em.

--Adam


2007-01-17 23:56:16

by Kok, Auke

[permalink] [raw]
Subject: Re: intel 82571EB gigabit fails to see link on 2.6.20-rc5 in-tree e1000 driver (regression)

Adam Kropelin wrote:
>> Allen Parker wrote:
>>> Allen Parker wrote:
>>>> From what I've been able to gather, other Intel Pro/1000 chipsets
>>>> work fine in 2.6.20-rc5. If the e1000 guys need any assistance
>>>> testing, I'll be more than happy to volunteer myself as a guinea pig
>>>> for patches.
>>> I wasn't aware that I was supposed to post this as a regression, so
>>> changed the subject, hoping that someone will pick this up and run with
>>> it. Primary issue being that link is not seen on this chipset under
>>> 2.6.20-rc5 via in-tree e1000 driver, despite multiple cycles of ifconfig
>>> $eth up && ethtool $eth | grep link && ifconfig $eth down. Tested on 2
>>> machines with identical hardware.
>> I asked Allen to report this here. I'm working on the issue as we speak
>> but for now I'll treat the link issue as a known regression once I
>> confirm it. If others have seen it then I'd like to know ASAP of course
>
> I am experiencing the no-link issue on a 82572EI single port copper
> PCI-E card. I've only tried 2.6.20-rc5, so I cannot tell if this is a
> regression or not yet. Will test older kernel soon.
>
> Can provide details/logs if you want 'em.

we've already established that Allen's issue is not due to the driver and caused by
interrupts being mal-assigned on his system, possibly a pci subsystem bug. You also have
a completely different board (82572EI instead of 82571EB), so I'd like to see the usual
debugging info as well as hearing from you whether 2.6.19.any works correctly.

On top of that I posted a patch to rc5-mm yesterday that fixes a few significant bugs in
the rc5-mm driver, so please apply that patch too before trying, so we're not wasting
our time finding old bugs ;)

Cheers,

Auke