Bug 157900

Description of problem:

The tg3 driver in the most recent RHEL4 beta (2.6.9-6.37.ELsmp) tries to support
the BCM5752 chip, but doesn't work properly on my hardware (HP xw4300
workstation, x86_64, BCM5752 PCI-Express, with MSI support). It detects the 5752
chip but crashes the kernel when you actually try to use the network interface.

I backported the tg3 driver from the most recent Linux kernel (2.6.12-rc4) and
it works properly.

You should update the tg3 driver in RHEL4 to the most recent version (3.27), or
else remove the PCI ID for the 5752 chip (14e4:1600) from your tg3 driver since
it doesn't work.

I attached my backport of the 2.6.12-rc4 tg3 driver. I built it as an external
module. Sorry, I didn't create a patch against your kernel sources.



Version-Release number of selected component (if applicable):

RHEL4 beta kernel, 2.6.9-6.37.EL

How reproducible:

Always

Steps to Reproduce:
1. load the tg3 driver from the RHEL4 kernel
2. try to bring up the interface
  
Actual results:

the machine will lock up and display a stack trace, then hang completely

Expected results:

The tg3 driver from 2.6.12-rc4, which is labeled: 'v3.27 (May 5, 2005)', works
properly.

Additional info:

My backport of the 2.6.12-rc4 driver is available at:

http://www-personal.engin.umich.edu/~wingc/code/tg3-rhel4/tg3-linux-2.6.12-rc4.tar.gz


I also included it as an attachment to this bugzilla. I'll leave it up to you to
decide how you want to integrate it into the RHEL4 kernel. I left tg3.c as-is
for the most part, and put other stuff in compatability headers and files. I
only reverted one patch to tg3.c (which changed pci_save_state() in an
incompatible way between Red Hat's 2.6.9 and 2.6.12, that I couldn't work around
in a header file)