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Date:      Fri, 15 Oct 2004 03:01:14 +1000
From:      Antony Mawer <fbsd-current@mawer.org>
To:        Max Laier <max@love2party.net>
Cc:        Robert Watson <rwatson@freebsd.org>
Subject:   Re: network slowness/freez-up since update 10/11
Message-ID:  <416EB0DA.6040504@mawer.org>
In-Reply-To: <200410141817.16391.max@love2party.net>
References:  <E1CI4zq-000G8J-00@hetzner.co.za> <200410141817.16391.max@love2party.net>

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Max Laier wrote:
>>>>There appears to bea problem with if_de cards and Giant-free operation.
>>>>I'm working with John Baldwin to try and diagnose it.  Could you try
>>>>putting debug.mpsafenet=0 in /boot/loader.conf and reboot to confirm
>>>>that this is what's going on?
>>>
>>>The de(4) driver is a bit of a mess as regards locking.
>>>I had a look at this back in June/July but no longer have the hardware.
>>>It would probably be best to bring it under IFF_NEEDSGIANT.
>>
>>I have a
>>
>>de0: <Digital 21041 Ethernet> port 0xe800-0xe87f mem 0xea001000-0xea00107f
>>irq 17 at device 9.0 on pci0 de0: [GIANT-LOCKED]
>>de0: DEC DE450-CA 21041 [10Mb/s] pass 1.1
>>de0: Ethernet address: 00:00:f8:30:dd:c2
>>de0: if_start running deferred for Giant
>>
>>that is no longer in use.  If it will be of help, I'll mail it to
>>you (you'll need to give me your shipping address).

I'm pretty sure I have one or two of of these cards kicking around 
amongst my spares. If anyone in Australia is interested in this for the 
purposes of testing & debugging this, you're most welcome to it -- email 
me off-list. I'd ship overseas but I suspect the cost in doing so would 
be more than the cost of the card... :-)

Cheers
Antony



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