Please note,this bug is unrelated to Bug #1331513 b/c even if TSO, GSO
etc... are disabled, I can still re-producible it. The lock-up would
only occur under VERY_HIGH_NETWORK_LOAD, so a typical user (web-surfing
only) would not be able catch it easily. On a side note, the machine I
am testing is an HP EliteDesk 705 (DMI info below), and it is the
official certified hardware to run Ubuntu.
System Information
Manufacturer: Hewlett-Packard
Product Name: HP EliteDesk 705 G1 MT
Version:
Serial Number: 2UA5041TG4
UUID: E24D7A80-9AA4-11E4-8822-8A8247065164
Wake-up Type: Power Switch
SKU Number: K5U61UP#ABA
Family: 103C_53307F G=D
Here is the state of the network interface when the tigon3 driver completely
locked up. Attached file is the dmesg log.
eth0 Link encap:Ethernet HWaddr 64:51:06:47:82:8a
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:90235313784 errors:30064771065 dropped:7 overruns:0
frame:120259084260
TX packets:90387363107 errors:30064771065 dropped:0 overruns:0
carrier:0
collisions:30064771065 txqueuelen:1000
RX bytes:32978848243 (32.9 GB) TX bytes:321345086545 (321.3 GB)
Interrupt:18
PS: I just compiled linux-stable 4.0 trunk, will try to run and and
report back soon.
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1447664/+attachment/4382357/+files/dmesg
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https://bugs.launchpad.net/bugs/1447664
Title:
broadcom tg3 network driver disconnects under high load
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