Hi all,
I have same problem here with an HP NC6000 with the following broadcom network
adapter:
02:0e.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5705M_2 Gigabit
Ethernet (rev 03)
Subsystem: Hewlett-Packard Company Device 0890
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 11
Memory at 90000000 (64-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at 6c000000 [disabled] [size=64K]
Capabilities: <access denied>
Kernel driver in use: tg3
Kernel modules: tg3
Here are my observations:
Sometime, the network link still up (ethtool confirm it) but input packages
seem discarded... in this case rmmod && modprobe made it...
But sometime, the computer completely freezes (either magic sysrq doesn't
help)...
I saw also that it doesn't depend on packet size but on network bandwidth usage:
Full size packet in my lan causes that problem (~100MBPs), whereas full size
packet from internet works ok (~3MBPS)
MTU still at 1500 (when reducing this value, network is unresponsive)
Finally, I saw that sending and recieving packets causes lots of IO (what I
mean is that it takes remaining idle CPU).
Could it be an IRQ problem ? here is "cat /proc/interrupts":
CPU0
0: 404858 XT-PIC-XT timer
1: 4171 XT-PIC-XT i8042
2: 0 XT-PIC-XT cascade
3: 3 XT-PIC-XT
4: 3 XT-PIC-XT
5: 3 XT-PIC-XT
7: 0 XT-PIC-XT parport0
8: 0 XT-PIC-XT rtc0
9: 2099 XT-PIC-XT acpi
10: 39337 XT-PIC-XT ehci_hcd:usb1, uhci_hcd:usb2,
uhci_hcd:usb3, uhci_hcd:usb4, yenta, yenta, yenta, rad...@pci:0000:01:00.0
11: 190764 XT-PIC-XT ath, eth0, Intel 82801DB-ICH4
12: 122662 XT-PIC-XT i8042
14: 85470 XT-PIC-XT ata_piix
15: 5669 XT-PIC-XT ata_piix
where you can see IRQ 11 shared... wireless works ok.
--
tg3 transmit timeout in Intrepid
https://bugs.launchpad.net/bugs/294092
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