Comment 29 for bug 1447664

> On 11 Jan 2018, at 9:23 PM, Tessio Fechine <email address hidden> wrote:
>
> There was a commit to fix something about the BCM5762 variant, but it seems to be restricted to DELL servers..
> https://github.com/torvalds/linux/commit/4419bb1cedcda0272e1dc410345c5a1d1da0e367#diff-ee9b0abeec638cc316efd5b30e0e01e8

Can you try it without the if block?

If you don’t know how to compile kernel, I can build kernel package.

>
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> in Ubuntu.
> https://bugs.launchpad.net/bugs/1447664
>
> Title:
> 14e4:1687 broadcom tg3 network driver disconnects under high load
>
> Status in linux package in Ubuntu:
> Triaged
> Status in linux package in Debian:
> New
>
> 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:
> https://launchpadlibrarian.net/204185480/dmesg
>
> 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 <email address hidden>:/my/test/file /tmp
> done;
>
> 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
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /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
> IwConfig:
> 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
> ProcEnviron:
> LANGUAGE=
> TERM=xterm
> PATH=(custom, no user)
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcFB: 0 radeondrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/hostname.seed boot=casper maybe-ubiquity quiet splash ---
> PulseList:
> 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.
> RelatedPackageVersions:
> linux-restricted-modules-3.19.0-15-generic N/A
> linux-backports-modules-3.19.0-15-generic N/A
> linux-firmware 1.143
> RfKill:
>
> 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.modalias: dmi:bvnHewlett-Packard:bvrL06v02.15:bd10/22/2014:svnHewlett-Packard:pnHPEliteDesk705G1MT:pvr:rvnHewlett-Packard:rn2215:rvr:cvnHewlett-Packard:ct6:cvr:
> dmi.product.name: HP EliteDesk 705 G1 MT
> dmi.sys.vendor: Hewlett-Packard
>
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