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TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.

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Eadwine Rose
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Posts: 8970
Joined: Wed Jul 12, 2006 2:10 am

TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.

#1

Post by Eadwine Rose » Sun Apr 28, 2019 1:23 pm

I ran a google on this, found this page:

https://bugzilla.kernel.org/show_bug.cgi?id=194569

Doesn't seem to be affecting the eth performance or anything, so I don't need anything done with it. I saw it pop up in my syslog earlier and figured I'd report it.

Code: Select all

System:    Host: eadwineMX18.2 Kernel: 4.19.0-1-amd64 x86_64 bits: 64 compiler: gcc v: 6.3.0 
           Desktop: Xfce 4.12.3 Distro: MX-18.2_x64 Continuum Apr 7  2019 
           base: Debian GNU/Linux 9 (stretch) 
Machine:   Type: Desktop Mobo: ASUSTeK model: M4A785TD-V EVO v: Rev X.0x serial: <filter> 
           BIOS: American Megatrends v: 2005 date: 04/15/2010 
Battery:   Device-1: hidpp_battery_0 model: Logitech MX Ergo Multi-Device Trackball 
           charge: Normal status: Discharging 
CPU:       Topology: Quad Core model: AMD Athlon II X4 635 bits: 64 type: MCP arch: K10 rev: 3 
           L2 cache: 2048 KiB 
           flags: lm nx pae sse sse2 sse3 sse4a svm bogomips: 23302 
           Speed: 800 MHz min/max: 800/2900 MHz Core speeds (MHz): 1: 800 2: 2200 3: 800 4: 1700 
Graphics:  Device-1: NVIDIA GK208 [GeForce GT 640 Rev. 2] vendor: ASUSTeK driver: nvidia 
           v: 390.116 bus ID: 01:00.0 
           Display: x11 server: X.Org 1.19.2 driver: nvidia 
           unloaded: fbdev,modesetting,nouveau,vesa resolution: 1920x1080~60Hz, 1920x1080~60Hz 
           OpenGL: renderer: GeForce GT 640/PCIe/SSE2 v: 4.6.0 NVIDIA 390.116 direct render: Yes 
Audio:     Device-1: AMD SBx00 Azalia vendor: ASUSTeK M4A785TD driver: snd_hda_intel v: kernel 
           bus ID: 00:14.2 
           Device-2: NVIDIA GK208 HDMI/DP Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel 
           bus ID: 01:00.1 
           Device-3: Brooktree Bt878 Video Capture vendor: Pinnacle Systems PCTV pro 
           driver: bttv v: 0.9.19 bus ID: 03:06.0 
           Device-4: Brooktree Bt878 Audio Capture vendor: Pinnacle Systems PCTV pro 
           driver: snd_bt87x v: kernel bus ID: 03:06.1 
           Device-5: Logitech QuickCam E 3500 type: USB driver: snd-usb-audio,uvcvideo 
           bus ID: 1-1:2 
           Sound Server: ALSA v: k4.19.0-1-amd64 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
           vendor: ASUSTeK M4A785TD driver: r8169 v: kernel port: d800 bus ID: 02:00.0 
           IF: eth0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
           Device-2: Ralink MT7601U Wireless Adapter type: USB driver: mt7601u bus ID: 2-2:3 
           IF: wlan0 state: down mac: <filter> 
Drives:    Local Storage: total: 2.27 TiB used: 106.52 GiB (4.6%) 
           ID-1: /dev/sda vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
           ID-2: /dev/sdb vendor: Seagate model: ST1000DM010-2EP102 size: 931.51 GiB 
           ID-3: /dev/sdc vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
           ID-4: /dev/sdd type: USB vendor: Seagate model: BUP Slim RD size: 931.51 GiB 
Partition: ID-1: / size: 57.42 GiB used: 8.27 GiB (14.4%) fs: ext4 dev: /dev/sda1 
           ID-2: /home size: 162.87 GiB used: 4.06 GiB (2.5%) fs: ext4 dev: /dev/sda3 
           ID-3: swap-1 size: 7.81 GiB used: 768 KiB (0.0%) fs: swap dev: /dev/sda2 
Sensors:   System Temperatures: cpu: 21.5 C mobo: N/A gpu: nvidia temp: 45 C 
           Fan Speeds (RPM): N/A 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/antix.list 
           1: deb http://iso.mxrepo.com/antix/stretch/ stretch main
           Active apt repos in: /etc/apt/sources.list.d/debian-stable-updates.list 
           1: deb http://ftp.nl.debian.org/debian/ stretch-updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/debian.list 
           1: deb http://ftp.nl.debian.org/debian/ stretch main contrib non-free
           2: deb http://security.debian.org/ stretch/updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
           1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/keeper.list 
           1: deb [arch=amd64] https://keepersecurity.com/desktop_electron/Linux/repo/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/megasync.list 
           1: deb https://mega.nz/linux/MEGAsync/Debian_9.0/ ./
           Active apt repos in: /etc/apt/sources.list.d/mx.list 
           1: deb http://nl.mxrepo.com/mx/repo/ stretch main non-free
           Active apt repos in: /etc/apt/sources.list.d/skype-stable.list 
           1: deb [arch=amd64] https://repo.skype.com/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/slacktechnologies_slack.list 
           1: deb https://packagecloud.io/slacktechnologies/slack/debian/ jessie main
           Active apt repos in: /etc/apt/sources.list.d/spotify.list 
           1: deb http://repository.spotify.com/ stable non-free
           No active apt repos in: /etc/apt/sources.list.d/various.list 
Info:      Processes: 271 Uptime: 4h 54m Memory: 7.79 GiB used: 3.41 GiB (43.8%) Init: SysVinit 
           runlevel: 5 Compilers: gcc: 6.3.0 Shell: bash v: 4.4.12 inxi: 3.0.33 
MX-18.3_x64 May 26 2019 * 4.19.0-5-amd64 ext4 Xfce 4.12.3 * 8-core AMD Ryzen 7 2700
Asus TUF B450-Plus Gaming UEFI * Asus GTX 1050 Ti Nvidia 390.116 * 2x16Gb DDR4 2666 Kingston HyperX Predator
Samsung 860EVO * Samsung S24D330 & P2250 * HP Envy5030

User avatar
Eadwine Rose
Administrator
Posts: 8970
Joined: Wed Jul 12, 2006 2:10 am

Re: TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.

#2

Post by Eadwine Rose » Fri Jul 19, 2019 5:28 pm

Ran into this on the new system as well now.

Nothing major and speed is not affected.

Code: Select all

System:    Host: eadwineMX18.3 Kernel: 4.19.0-5-amd64 x86_64 bits: 64 compiler: gcc v: 6.3.0 
           Desktop: Xfce 4.12.3 Distro: MX-18.3_x64 Continuum May 26  2019 
           base: Debian GNU/Linux 9 (stretch) 
Machine:   Type: Desktop Mobo: ASUSTeK model: TUF B450-PLUS GAMING v: Rev X.0x serial: <filter> 
           UEFI: American Megatrends v: 0604 date: 12/08/2018 
Battery:   Device-1: hidpp_battery_0 model: Logitech MX Ergo Multi-Device Trackball 
           charge: Normal status: Discharging 
CPU:       Topology: 8-Core model: AMD Ryzen 7 2700 bits: 64 type: MT MCP arch: Zen+ rev: 2 
           L2 cache: 4096 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 102194 
           Speed: 2416 MHz min/max: 1550/3200 MHz Core speeds (MHz): 1: 1563 2: 1625 3: 1375 
           4: 1358 5: 1374 6: 1367 7: 1377 8: 1379 9: 2180 10: 4013 11: 2588 12: 2500 13: 1520 
           14: 1625 15: 1405 16: 2567 
Graphics:  Device-1: NVIDIA GP107 [GeForce GTX 1050 Ti] vendor: ASUSTeK driver: nvidia 
           v: 390.116 bus ID: 08:00.0 
           Display: x11 server: X.Org 1.19.2 driver: nvidia 
           unloaded: fbdev,modesetting,nouveau,vesa resolution: 1920x1080~60Hz, 1920x1080~60Hz 
           OpenGL: renderer: GeForce GTX 1050 Ti/PCIe/SSE2 v: 4.6.0 NVIDIA 390.116 
           direct render: Yes 
Audio:     Device-1: Conexant Systems CX23887/8 PCIe Broadcast Audio and Video Decoder with 3D 
           Comb 
           vendor: Hauppauge works driver: cx23885 v: 0.0.4 bus ID: 07:00.0 
           Device-2: NVIDIA vendor: ASUSTeK driver: snd_hda_intel v: kernel bus ID: 08:00.1 
           Device-3: AMD vendor: ASUSTeK driver: snd_hda_intel v: kernel bus ID: 0a:00.3 
           Device-4: Logitech QuickCam E 3500 type: USB driver: snd-usb-audio,uvcvideo 
           bus ID: 3-1:2 
           Sound Server: ALSA v: k4.19.0-5-amd64 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: ASUSTeK 
           driver: r8169 v: kernel port: f000 bus ID: 03:00.0 
           IF: eth0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
           Device-2: Ralink MT7601U Wireless Adapter type: USB driver: mt7601u bus ID: 1-1:2 
           IF: wlan0 state: down mac: <filter> 
Drives:    Local Storage: total: 1.82 TiB used: 112.22 GiB (6.0%) 
           ID-1: /dev/sda vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
           ID-2: /dev/sdb vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
           ID-3: /dev/sdc vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
           ID-4: /dev/sdd type: USB vendor: Seagate model: BUP Slim RD size: 931.51 GiB 
           ID-5: /dev/sde vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
Partition: ID-1: / size: 57.42 GiB used: 8.77 GiB (15.3%) fs: ext4 dev: /dev/sda2 
           ID-2: /home size: 162.39 GiB used: 21.63 GiB (13.3%) fs: ext4 dev: /dev/sda4 
           ID-3: swap-1 size: 7.81 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda3 
Sensors:   System Temperatures: cpu: 37.9 C mobo: 31.0 C gpu: nvidia temp: 40 C 
           Fan Speeds (RPM): cpu: 601 fan-2: 874 fan-3: 0 fan-4: 827 fan-6: 0 gpu: nvidia 
           fan: 26% 
           Voltages: 12v: N/A 5v: N/A 3.3v: 3.36 vbat: 3.27 
Repos:     Active apt repos in: /etc/apt/sources.list.d/antix.list 
           1: deb http://iso.mxrepo.com/antix/stretch/ stretch main
           Active apt repos in: /etc/apt/sources.list.d/debian-stable-updates.list 
           1: deb http://ftp.nl.debian.org/debian/ stretch-updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/debian.list 
           1: deb http://ftp.nl.debian.org/debian/ stretch main contrib non-free
           2: deb http://security.debian.org/ stretch/updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
           1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/keeper.list 
           1: deb [arch=amd64] https://keepersecurity.com/desktop_electron/Linux/repo/deb stable main
           Active apt repos in: /etc/apt/sources.list.d/megasync.list 
           1: deb https://mega.nz/linux/MEGAsync/Debian_9.0/ ./
           Active apt repos in: /etc/apt/sources.list.d/mx.list 
           1: deb http://nl.mxrepo.com/mx/repo/ stretch main non-free
           Active apt repos in: /etc/apt/sources.list.d/skype-stable.list 
           1: deb [arch=amd64] https://repo.skype.com/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/slack.list 
           1: deb https://packagecloud.io/slacktechnologies/slack/debian/ jessie main
           No active apt repos in: /etc/apt/sources.list.d/slacktechnologies_slack.list 
           Active apt repos in: /etc/apt/sources.list.d/spotify.list 
           1: deb http://repository.spotify.com/ stable non-free
           No active apt repos in: /etc/apt/sources.list.d/various.list 
Info:      Processes: 357 Uptime: 1h 11m Memory: 31.41 GiB used: 3.41 GiB (10.8%) Init: SysVinit 
           runlevel: 5 Compilers: gcc: 6.3.0 Shell: bash v: 4.4.12 inxi: 3.0.33 
MX-18.3_x64 May 26 2019 * 4.19.0-5-amd64 ext4 Xfce 4.12.3 * 8-core AMD Ryzen 7 2700
Asus TUF B450-Plus Gaming UEFI * Asus GTX 1050 Ti Nvidia 390.116 * 2x16Gb DDR4 2666 Kingston HyperX Predator
Samsung 860EVO * Samsung S24D330 & P2250 * HP Envy5030

User avatar
timkb4cq
Developer
Posts: 5123
Joined: Wed Jul 12, 2006 4:05 pm

Re: TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.

#3

Post by timkb4cq » Fri Jul 19, 2019 5:50 pm

Some of those realtek 8168 chipsets do better with the r8168 driver instead of the default r8169 one. One of my machines connects at 100mb/s instead of 1000mb/s with r8169.
This bug is fixed in the 5.x series kernels.

If you're staying with 4.19 there is a debian package you can install to switch to the r8168 driver if you like. It's incompatible with the fixed kernels.

But if you're running full speed already I wouldn't worry about it.
MSI 970A-G43 MB, AMD FX-6300 (six core), 16GB RAM, GeForce 730, Samsung 850 EVO 250GB SSD, Seagate Barracuda XT 3TB

User avatar
Eadwine Rose
Administrator
Posts: 8970
Joined: Wed Jul 12, 2006 2:10 am

Re: TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.

#4

Post by Eadwine Rose » Sat Jul 20, 2019 12:03 am

Thanks. Yeah I have a big download weekly, and things are going up to the max , so I wager all is ok. Good to know though for those who do have issues. 🙂 Thanks!
MX-18.3_x64 May 26 2019 * 4.19.0-5-amd64 ext4 Xfce 4.12.3 * 8-core AMD Ryzen 7 2700
Asus TUF B450-Plus Gaming UEFI * Asus GTX 1050 Ti Nvidia 390.116 * 2x16Gb DDR4 2666 Kingston HyperX Predator
Samsung 860EVO * Samsung S24D330 & P2250 * HP Envy5030

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