Hi Kai-heng,

I tried 4.15.0-14-generic #15~lp1447664 SMP Tue Mar 20 14:31:37 CST 2018 x86_64 
x86_64 x86_64 GNU/Linux, on Lubuntu 17.10.
I have a  Hewlett-Packard HP EliteDesk 705 G1 SFF/2215, BIOS L06 v02.28 
02/07/2017 and Lubuntu is in UEFI mode (my only OS) on this device.
Unfortunelly, i have the same problem= (TG3 still crash, a reboot is mandatory)

[  105.620301] tg3 0000:03:00.0 eno1: 0: Host status block 
[  105.620309] tg3 0000:03:00.0 eno1: 0: NAPI info 
[  105.620317] tg3 0000:03:00.0 eno1: 1: Host status block 
[  105.620324] tg3 0000:03:00.0 eno1: 1: NAPI info 
[  105.620331] tg3 0000:03:00.0 eno1: 2: Host status block 
[  105.620370] tg3 0000:03:00.0 eno1: 2: NAPI info 
[  105.755739] tg3 0000:03:00.0: tg3_stop_block timed out, ofs=4c00 enable_bit=2
[  105.797123] tg3 0000:03:00.0 eno1: Link is down
[  105.889440] tg3 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT 
domain=0x000d address=0x00000000ffe3d640 flags=0x0020]
[  105.889478] tg3 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT 
domain=0x000d address=0x00000000ffe3d680 flags=0x0020]
[  109.932707] tg3 0000:03:00.0 eno1: Link is up at 1000 Mbps, full duplex
[  109.932710] tg3 0000:03:00.0 eno1: Flow control is off for TX and off for RX
[  109.932711] tg3 0000:03:00.0 eno1: EEE is enabled

** Attachment added: "Bug tg3"

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  14e4:1687 broadcom tg3 network driver disconnects under high load

Status in linux package in Ubuntu:
Status in linux package in Debian:

Bug description:
  The tg3 broadcom network driver that binds with chipset 5762 goes offline and 
unable to recover (even with tg3 watchdog timeout) when network transmit is 
under high load.  Call trace:

  When this happens, only a reboot would be able to fix it.  Sometimes,
  however, bringing the interface offline and online (via ifconfig)
  would recover networking.  I've also tested with the latest tg3 driver
  (dec 2014 version) and networking is still problematic.  I have also
  disabled TSO, GSO etc... with ethtool and the bug still surfaces.
  This bug may be related to the integrated Firmware.

  Here is the procedure to replicate the issue because it is hard to
  replicate it under moderate network load.

  1. Bootup a machine with a broadcom 5762 NIC (ie. HP DeskElite 705) using a 
Ubuntu/Kubunu Live CD 14.04-15.04.
  2. from another machine: start 5 sessions, repetitively copy (scp with public 
key authentication) a 70 meg file back and forth to the tg3 machine in each 
session. (not sure if this is necessary)
  3. create a 1GB file on the tg3 machine, with something like dd 
if=/dev/urandom of=/my/test/file bs=1024 count=$((1024*1000))
  4. from another machine: repetitively scp copy that 1GB file from the tg3 
machine. This can be done with something like:

  while [ 0 ]; do
     scp -i /my/scp/private.key u...@ip.of.tg3:/my/test/file /tmp

  Networking will mostly goes offline in about 10-30 minutes.

  WORKAROUND: Add udev rule to make the changes permanent in 
/etc/udev/rules.d/80-tg3-fix.rules :
  ACTION=="add", SUBSYSTEM=="net", ATTRS{vendor}=="0x14e4", 
ATTRS{device}=="0x1687", RUN+="/sbin/ethtool -K %k highdma off"

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-15-generic 3.19.0-15.15
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
   /dev/snd/controlC1:  kubuntu    3748 F.... pulseaudio
   /dev/snd/controlC0:  kubuntu    3748 F.... pulseaudio
  CasperVersion: 1.360
  Date: Thu Apr 23 11:16:24 2015
   eth0      no wireless extensions.

   lo        no wireless extensions.
  LiveMediaBuild: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Hewlett-Packard HP EliteDesk 705 G1 MT
   PATH=(custom, no user)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi 
file=/cdrom/preseed/hostname.seed boot=casper maybe-ubiquity quiet splash ---
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143

  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/22/2014
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: L06 v02.15
  dmi.board.asset.tag: 2UA5041TG4
  dmi.board.name: 2215
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.asset.tag: 2UA5041TG4
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.product.name: HP EliteDesk 705 G1 MT
  dmi.sys.vendor: Hewlett-Packard

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