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SubjectRe: PCI interrupt problem: e1000 & Super-Micro X6DVA motherboard
Date
On 24.03.2005, at 03:03, Ben Greear wrote:

> When trying to send/receive traffic, I get TX watchdog timeouts. The
> other
> interfaces seem to work just fine.

No idea whether my problem is related but due to a broken motherboard
I had to switch from a SiS based Athlon board (ECS K7S5A) to a new
one which is VIA based:

0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600
AGP] Host Bridge (rev 80)
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
0000:00:09.0 VGA compatible controller: Cirrus Logic GD 5446
0000:00:0a.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8169 Gigabit Ethernet (rev 10)
0000:00:0b.0 Ethernet controller: Intel Corp. 82541GI/PI Gigabit
Ethernet Controller
0000:00:0d.0 FireWire (IEEE 1394): NEC Corporation uPD72874 IEEE1394
OHCI 1.1 3-port PHY-Link Ctrlr (rev 01)
0000:00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420
SATA RAID Controller (rev 80)
0000:00:0f.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1 Controller (rev 81)
0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1 Controller (rev 81)
0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1 Controller (rev 81)
0000:00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1 Controller (rev 81)
0000:00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge
[K8T800 South]
0000:00:11.5 Multimedia audio controller: VIA Technologies, Inc.
VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
0000:00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102
[Rhine-II] (rev 78)
Strange enough the beforehand very reliable Intel Pro/1000 MT
controller would also see watchdog errors in an otherwise
unchanged environment (same kernel, cards, CPU, etc.). I tried
different kernels 2.6.8-2.6.10, but no change; I tried without
ACPI information for IRQ routing -- nope. I tried swapping PCI
slots -- negative, sir.
As a temporary counter measure (this box is not only a ethernet
bridge between 100Mbit and 1000Mbit switched networks but also
the primary fileserver for my netboot TFTP/NFS environment, so
dropouts are especially nasty since it takes some time until the
NFS machines on the Gbit network will resume operation) I popped
in the cheeeep RealTek card (which caused some slight problems
like permanent hangs and bad performance before) and everything
works like a charm. Of course, after throwing in some extra
money to get at least somewhat professional equipment, I'd like
to use it, too.
This is the (strange?) ethtool output:
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: Unknown! (65535)
Duplex: Unknown! (255)
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: umbg
Wake-on: g
Current message level: 0x00000007 (7)
Link detected: no
The card is still in the system and running, so if someone wants
me to run to more tests or diagnostic, please be my guest.

Servus,
Daniel
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