netdev - r8169 not working on 5.2.0rc6 with GPD MicroPC

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Date:   Sat, 29 Jun 2019 22:34:30 +0200
From:   Karsten Wiborg <karsten.wiborg@....de>
To:     nic_swsd@...ltek.com, romieu@...zoreil.com
Cc:     netdev@...r.kernel.org
Subject: r8169 not working on 5.2.0rc6 with GPD MicroPC

Hello,

writing to you because of the r8168-dkms-README.Debian.

I am using a GPD MicroPC running Debian Buster with Kernel:
Linux praktifix 5.2.0-050200rc6-generic #201906222033 SMP Sun Jun 23
00:36:46 UTC 2019 x86_64 GNU/Linux


Got the Kernel from:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2-rc6/
Reason for the Kernel: it includes Hans DeGoedes necessary fixes for the
GPD MicroPC, see:
https://github.com/jwrdegoede/linux-sunxi
(btw. I also tried Hans' 5.2.0rc5-kernel which also did not work with
respect to Ethernet). Googling of course didn't help out either.


My GPD MicroPC with running r8169 gives the following lines in dmesg:
...
[    2.839485] libphy: r8169: probed
[    2.839776] r8169 0000:02:00.0 eth0: RTL8168h/8111h,
00:00:00:00:00:00, XID 541, IRQ 126
[    2.839779] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200
bytes, tx checksumming: ko]
...
[    2.897924] r8169 0000:02:00.0 eno1: renamed from eth0


ip addr show gives me:
# ip addr show
...
2: eno1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
...


ethtool gives me:
# ethtool -i eno1
driver: r8169
version:
firmware-version:
expansion-rom-version:
bus-info: 0000:02:00.0
supports-statistics: yes
supports-test: no
supports-eeprom-access: no
supports-register-dump: yes
supports-priv-flags: no


lspci shows me:
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)


Installing r8168-dkms fails with the following errors:
Setting up r8168-dkms (8.046.00-1) ...
Removing old r8168-8.046.00 DKMS files...

------------------------------
Deleting module version: 8.046.00
completely from the DKMS tree.
------------------------------
Done.
Loading new r8168-8.046.00 DKMS files...
Building for 5.2.0-050200rc6-generic 5.2.0-rc5-gpd-custom
Building initial module for 5.2.0-050200rc6-generic
Error! Bad return status for module build on kernel:
5.2.0-050200rc6-generic (x86_64)
Consult /var/lib/dkms/r8168/8.046.00/build/make.log for more information.
dpkg: error processing package r8168-dkms (--configure):
 installed r8168-dkms package post-installation script subprocess
returned error exit status 10
Errors were encountered while processing:
 r8168-dkms
E: Sub-process /usr/bin/dpkg returned an error code (1)


Does that help you?
Do you need more data?
Thank you very much in advance for hopefully looking into this matter.

Regards,
Karsten Wiborg