IPMI problem with FAI and wheezy

[Steffen Grunewald]

On Fri, Sep 07, 2012 at 03:02:05PM +0200, Steffen Grunewald wrote:
> Hi,
> 
> I'm at my wits' end now with this old system, perhaps one of you can come
> up with another idea:
> 
> The hardware is somewhat old, SuperMicro H8SSL board with IPMI card (BMC)
> looped into eth0 (Broadcom Tigon3).
> 
> Excerpts from the demsg file:
> [    0.000000] Linux version 3.2.0-3-amd64 (Debian 3.2.23-1) (debian-kernel at lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-8) ) #1 SMP Mon Jul 23 02:45:17 UTC 2012
> [    0.000000] ACPI: FACP 000000007ffe0290 000F4 (v03 A M I  OEMFACP  12000606 MSFT 00000097)
> [    0.000000] ACPI: DSDT 000000007ffe0410 033A8 (v01  0ABSW 0ABSW005 00000005 INTL 02002026)
> [    0.884954] tg3 0000:02:03.0: eth0: Tigon3 [partno(BCM95704A6) rev 2100] (PCIX:133MHz:64-bit) MAC address xx:xx:xx:xx:xx:xx
> 
> I used to set "console=ttyS1,19200n1" in the pxelinux.cfg file, and watch
> FAI running via serial-over-LAN, but that stops right at the beginning -
> and the IPMI card cannot be reached afterwards, not by rebooting, nor by
> applying other tricks. The only way to get the connection back is power-
> cycling the whole box.
> 
> This behaviour did not show up with Squeeze (2.6.32-5 kernel).
> 
> I'm suspecting a change in the handling of the eth0/BMC bridge by the tg3
> driver, but that's only part of the story: it gets worse.

Actually, the problem has gone away with the latest (3.2.32 vs 3.2.23) kernel
now available for Wheezy.

S