em0 failed to work at 1000baseTX. WAS [Re: em0 - bge0 failed to work at 1000baseTX]

Stefan Lambrev stefan.lambrev at sun-fish.com
Mon Jun 4 12:15:09 UTC 2007


Jack Vogel wrote:
> On 5/31/07, Stefan Lambrev <stefan.lambrev at sun-fish.com> wrote:
>> Thank you very much for the help Jack :))
>> Unfortunately I'm off next four days and probably will not be able to
>> test it before Monday.
>> Btw any chances to have patch for releng_6 or the difference in the
>> drivers is too big ? :)
> Welcome, turns out its just as well that you didnt test yet because
> my test engineer came back to me this morning and it turns out there
> was still a code path that caused the autoneg back down to 100, I
> worked with him this morning and now I've simplified the code and
> plugged that hole at the same time, so another delta will be coming
> today.
em0: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port 
0x2000-0x201f mem 0xf0500000-0xf051ffff,0xf0524000-0xf0524fff irq 19 at 
device 25.0 on pci0
em0: Reserved 0x20000 bytes for rid 0x10 type 3 at 0xf0500000
em0: attempting to allocate 1 MSI vectors (1 supported)
msi: routing MSI IRQ 256 to vector 49
em0: using IRQ 256 for MSI
em0: Reserved 0x1000 bytes for rid 0x14 type 3 at 0xf0524000
em0: bpf attached
em0: Ethernet address: 00:0f:fe:4e:78:16
em0: [FILTER]

This is freebsd 7-current with src from today and I still have the same 
problem :(

Here are few lines from messages:
Jun  4 11:55:20 shitler kernel: em0: Link is up 1000 Mbps Full Duplex
Jun  4 11:55:20 shitler kernel: em0: link state changed to UP
Jun  4 11:55:23 shitler kernel: em0: Link is Down
Jun  4 11:55:23 shitler kernel: em0: link state changed to DOWN
Jun  4 11:55:26 shitler kernel: em0: Link is up 100 Mbps Full Duplex
Jun  4 11:55:26 shitler kernel: em0: link state changed to UP

> As for 6.X, well, its definitely a fix that needs to go back, but the
> question is how. What I would like to do is MFC the whole new
> shared code driver, in fact the next release that gets published
> by Intel which is a few months out should have that version anyway
> so I'll work that and the MFC together.
> However, if you have an urgent need for this fix on 6.2 I can make
> up a special patch, I'm pretty sure the old shared code still has
> what we need to do this.
My idea was to use this server to benchmark few apps under different 
OSes, but with network card running on 100mbps
under freebsd .. it's impossible to compare things.
Unfortunately I'll need this server soon in production and will be 
unable to finish the tests on it.
> Jack
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Best Wishes,
Stefan Lambrev
ICQ# 24134177

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