Old bug in tg3 driver unfixed?

Old bug in tg3 driver unfixed?

[Tim Boneko]

Hello!
I am not subscribed to this list so please CC answers to my mail
address. THX!

I recently replaced the mainboard of one of my servers with a Tyan
Tomcat K8E. The onboard gigabit NIC is a Broadcom BCM5721. After
compiling and loading the tg3 driver in Kernel 2.6.21.5, the interface
could not be configured: "Device not found".
While searching the net i found a few other people with the same problem
but no solution.

By coincidence i found that a simpe "ifconfig eth1" worked OK and
afterwards the device could be configured and used as desired. After
searching this list, i found this posting

http://uwsg.iu.edu/hypermail/linux/kernel/0409.0/0224.html

by someone with obviously the same problem.
Has some patch of the driver been reversed or is the hardware buggy?

BTW the chip is connected via PCI Express.

	timbo

Re: Old bug in tg3 driver unfixed?

[Bill Davidsen]

Tim Boneko wrote:
> Hello!
> I am not subscribed to this list so please CC answers to my mail
> address. THX!
> 
> I recently replaced the mainboard of one of my servers with a Tyan
> Tomcat K8E. The onboard gigabit NIC is a Broadcom BCM5721. After
> compiling and loading the tg3 driver in Kernel 2.6.21.5, the interface
> could not be configured: "Device not found".
> While searching the net i found a few other people with the same problem
> but no solution.
> 
> By coincidence i found that a simpe "ifconfig eth1" worked OK and
> afterwards the device could be configured and used as desired. After
> searching this list, i found this posting
> 
Probably unrelated, but what's eth0?

> http://uwsg.iu.edu/hypermail/linux/kernel/0409.0/0224.html
> 
> by someone with obviously the same problem.
> Has some patch of the driver been reversed or is the hardware buggy?
> 
> BTW the chip is connected via PCI Express.
> 
I have that chip in a system, but I didn't find it quickly, it may be at 
another location, unless the controller which shows up as 3C940 on my 
ASUS P4P800 is the Broadcom.


-- 
Bill Davidsen <davidsen@tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

Re: Old bug in tg3 driver unfixed?

[Tim Boneko]

Hello list & Bill,

Bill Davidsen wrote:

> Probably unrelated, but what's eth0?

An additional pci NIC. The second Broadcom NIC of the mainboard doesn't
even show up in lspci, no matter how the relevant jumper on the board is
set.

	timbo

Re: Old bug in tg3 driver unfixed?

[Björn Steinbrink]

On 2007.06.30 14:06:14 +0200, Tim Boneko wrote:
> Hello!
> I am not subscribed to this list so please CC answers to my mail
> address. THX!
> 
> I recently replaced the mainboard of one of my servers with a Tyan
> Tomcat K8E. The onboard gigabit NIC is a Broadcom BCM5721. After
> compiling and loading the tg3 driver in Kernel 2.6.21.5, the interface
> could not be configured: "Device not found".
> While searching the net i found a few other people with the same problem
> but no solution.
> 
> By coincidence i found that a simpe "ifconfig eth1" worked OK and
> afterwards the device could be configured and used as desired. After
> searching this list, i found this posting
> 
> http://uwsg.iu.edu/hypermail/linux/kernel/0409.0/0224.html
> 
> by someone with obviously the same problem.

Sounds more like a iftab/udev problem. Check /etc/iftab and your udev
rules please.

Björn

Re: Old bug in tg3 driver unfixed?

[Tim Boneko]

Björn Steinbrink schrieb:

> Sounds more like a iftab/udev problem. Check /etc/iftab and your udev
> rules please.

The MAC address in /etc/iftab matches that of the card. However, there
are three rules in /etc/udev/rules.d/z25_persistent-net.rules dealing
with eth0 - eth2, they state MAC addresses which don't match. I
certainly didn't put them there. Does udev change its own config?

I will have to check the success when i'm back on location. No use in
decativating the NIC in a ssh session ;-)

Thanks for the hint,

	Tim

Re: Old bug in tg3 driver unfixed?

[Henrique de Moraes Holschuh]

On Tue, 03 Jul 2007, Tim Boneko wrote:
> are three rules in /etc/udev/rules.d/z25_persistent-net.rules dealing
> with eth0 - eth2, they state MAC addresses which don't match. I
> certainly didn't put them there. Does udev change its own config?

In Debian, yes.  Read the ones with "generator" in the name.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

Re: Old bug in tg3 driver unfixed?

[Tim Boneko]

Henrique de Moraes Holschuh schrieb:
>> Does udev change its own config?
> 
> In Debian, yes.  Read the ones with "generator" in the name.

Hey, what a bastard. Never would have guessed that...

Thanks to all & sorry for picking your brains,

	timbo