lspci -vv (20.4)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Dell RTL8111/8168/8411 PCI Express Gigabit Ethernet
Controller
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 17
Region 0: I/O ports at 3000 [size=256]
Region 2: Memory at a4204000 (64-bit, non-prefetchable) [size=4K]
Region 4: Memory at a4200000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169
i guess aspm (bios-setting) is not the reason because 18.4 works on same
laptop without changing this setting. i can look in bios if it is
enabled and disabling it, but this do not explain different behaviour in
18.4 vs. 20.4
i can do a git bisect if i know how to compile/install kernel in ubuntu
the save way (deb-packet) from mainline (git) source. i compile kernel
for arm (and know pkg-deb option for make) but i need to know if ubuntu
has any difference (registering in grub) before i destroy my working
system ;)
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https://bugs.launchpad.net/bugs/1880076
Title:
ubuntu 20.4 - retransmitts with r8169
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