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-ker...@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