I've got two boxes, both which uses the forcedeth-driver as the driver
for the network cards. I've got the same problem on both boxes. I've
tried various kernels, the latest kernel on my amd64-box is 2.6.22-7
from gutsy (ubuntu).
The problem is as follows:
Once the interface is up, it seems to be working ok, after a little
while with traffic (not much) it becomes "off and on" when it comes to
response. If my ssh-session has been idle for a minute or two, and I
hit two keys, key number two will be displayed after some sort of
timeout (30 sec -> 1 minute). Then it becomes reponsive while I use
the session, until I idle again. After a little while with this
behaviour it just becomes totally unresponsive, and I have to restart
the network-device (networking restart) to be able to connect to the
box again. This is all on eth0.
One of my boxes (amd64-box) is using Asus M2N32-SLI Deluxe as the
motherboard, this has two NICs (same chip on both NICs), and eth1
doesn't have this problem at all, just eth0. So when eth0 dies, I can
just connect through eth1 and restart the network, and eth0 becomes
responsive again. But the problem is there still, after a bit.
Since I've had two completely different setups, where one of the few
common factors was the forcedeth.c, and I've seen a few posts around
by other people mentioning the same problems, it seems that the driver
has some bugs or is missing some key functionality for eth0 to become
a usable NIC.
If there's anything I can do to help, please let me know, and I'll
help. I really want to fix this, so I can use both NICs, and we can
get rid of this error once and for all :-)
This is from lspci, identifying the two NICs:
00:10.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
Subsystem: ASUSTeK Computer Inc. Unknown device cb84
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 509
Memory at fe02a000 (32-bit, non-prefetchable) [size=4K]
I/O ports at b400 [size=8]
Memory at fe029000 (32-bit, non-prefetchable) [size=256]
Memory at fe028000 (32-bit, non-prefetchable) [size=16]
Capabilities: [44] Power Management version 2
Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+
Queue=0/3 Enable+
Capabilities: [6c] HyperTransport: MSI Mapping
00:11.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
Subsystem: ASUSTeK Computer Inc. Unknown device cb84
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 508
Memory at fe027000 (32-bit, non-prefetchable) [size=4K]
I/O ports at b000 [size=8]
Memory at fe026000 (32-bit, non-prefetchable) [size=256]
Memory at fe025000 (32-bit, non-prefetchable) [size=16]
Capabilities: [44] Power Management version 2
Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+
Queue=0/3 Enable+
Capabilities: [6c] HyperTransport: MSI Mapping
--
Thomas
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