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-   -   igc no suspend buffer for PTM (https://www.linuxquestions.org/questions/slackware-14/igc-no-suspend-buffer-for-ptm-4175700823/)

marco70 09-19-2021 01:18 AM

igc no suspend buffer for PTM
 
slackware-current kernel 5.14.7

Code:

# dmesg | grep igc
[    4.717439] igc 0000:04:00.0: enabling device (0000 -> 0002)
[    4.717747] igc 0000:04:00.0: no suspend buffer for PTM
[    4.792888] igc 0000:04:00.0 (unnamed net_device) (uninitialized): PHC added
[    4.851167] igc 0000:04:00.0: 4.000 Gb/s available PCIe bandwidth (5.0 GT/s PCIe x1 link)
[    4.851168] igc 0000:04:00.0 eth0: MAC: d8:bb:c1:11:62:b3
[  19.510128] igc 0000:04:00.0 eth0: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX

Code:

# inxi -F -m -z
System:    Kernel: 5.14.7 x86_64 bits: 64 Desktop: KDE Plasma 5.22.5 Distro: Slackware 15.0
Machine:  Type: Desktop Mobo: Micro-Star model: MAG Z590 TORPEDO (MS-7D08) v: 2.0 serial: <filter>
          UEFI: American Megatrends LLC. v: A.20 date: 06/30/2021
Network:  Device-1: Intel Ethernet I219-V driver: e1000e
          IF: eth1 state: down mac: <filter>
          Device-2: Intel Ethernet I225-V driver: igc
          IF: eth0 state: up speed: 1000 Mbps duplex: full mac: <filter>
          IF-ID-1: tun0 state: unknown speed: 10 Mbps duplex: full mac: N/A

Code:

TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.
Upgrade kernel-5.14.8
the problem does not occur.


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