Link UP/DOWN problem with re0 on FreeBSD 7.1

[FreeBSD]

Graeme Dargie a écrit :
> If you do a dmesg are you also showing a watchdog time out for the nic ?
> 
> I only ask as I am having the exact same problem with the exact same card and I have yet to find a solution, if I come across something I will let you know.
> 
> Regards
> Graeme

Not a single time...sorry.

> 
> -----Original Message-----
> From: FreeBSD [mailto:freebsd at optiksecurite.com] 
> Sent: 26 January 2009 18:58
> To: freebsd-questions at freebsd.org
> Subject: Re: Link UP/DOWN problem with re0 on FreeBSD 7.1
> 
> FreeBSD a écrit :
>> Hi everyone,
>>
>> Just to put you in context, I applied the following patch to make the 
>> card available:
>>
>> SVN rev 186389 on 2008-12-22 00:46:22Z by yongari
>>
>> Since we don't request reset for rlphy(4), the link state 'UP'
>> event from mii(4) may not be delivered if valid link was already
>> established. To address the issue, check current link state after
>> driving MII_TICK. This should fix a regression introduced in
>> r185753 on fast ethernet controllers.
>>
>> ---
>>
>> I don't have any issue related to that anymore. The problem is that I 
>> get link UP/DOWN a few times per hour on 3 identical machines that I 
>> dumped/restored. They are all pluged in a Cisco switch that works fine 
>> for every other PCs.
>>
>> Jan 26 06:09:15 term005 kernel: re0: link state changed to DOWN
>> Jan 26 06:09:17 term005 kernel: re0: link state changed to UP
>>
>> I tried to switch cables, but I got the same result.
>>
>> There is the pciconf -lv output:
>>
>> re0 at pci0:3:0:0: class=0x020000 card=0x02831028 chip=0x816810ec rev=0x02 
>> hdr=0x00
>>     vendor     = 'Realtek Semiconductor'
>>     device     = 'RTL8168/8111 PCI-E Gigabit Ethernet NIC'
>>     class      = network
>>     subclass   = ethernet
>>
>> There is the output of vmstat -i:
>>
>> interrupt                          total       rate
>> irq18: re0 ehci0++                 63766          0
>> irq19: atapci0                    277001          3
>> cpu0: timer                    156068748       1961
>> Total                          156409515       1966
>>
>> Could it be related to the fact that there is re0 and ehci0++ on the 
>> same IRQ?
>>
>> Thank you for your help,
>>
>> Martin
> 
> I just tried with a brand new Dell 2708 switch and the problem is still 
> there. I just confirmed that the UP/DOWN occurs every 10 minutes (+- a 
> few seconds).
> 
> Thanks again,
> 
> Martin
> 
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