Re: [ISSUE] [CLOSED] eth0: link not detected/ready

[dkwo <dkwo@users.noreply.github.com>]

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Closed issue by dkwo on void-packages repository

https://github.com/void-linux/void-packages/issues/43148

Description:
### Is this a new report?

Yes

### System Info

Void 6.2.8_1 x86_64-musl GenuineIntel uptodate rrnFFFFFFFFF

### Package(s) Affected

I wish I knew

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

_No response_

### Expected behaviour

eth0 is up

### Actual behaviour

eth0 has no-carrier


### Steps to reproduce

the ethernet cable is attached to monitor, which is connected via usb cable to lenovo dock, to which laptop is connected.

with void installer: eth0 is up
with my system: eth0 has no-carrier

relevant dmesg:
```
[    2.811695] usb 2-4.2.1.2: new SuperSpeed USB device number 5 using xhci_hcd
[    2.825807] usb 2-4.2.1.2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=33.00
[    2.825823] usb 2-4.2.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[    2.825830] usb 2-4.2.1.2: Product: USB 10/100/1000 LAN
[    2.825835] usb 2-4.2.1.2: Manufacturer: Realtek
[    2.825839] usb 2-4.2.1.2: SerialNumber: 0033000001
[   25.821484] usbcore: registered new interface driver cdc_ether
[   26.220409] cdc_ncm 2-4.2.1.2:2.0: MAC-Address: XXX
[   26.220422] cdc_ncm 2-4.2.1.2:2.0: setting rx_max = 16384
[   26.220657] cdc_ncm 2-4.2.1.2:2.0: setting tx_max = 16384
[   26.221487] cdc_ncm 2-4.2.1.2:2.0 eth0: register 'cdc_ncm' at usb-0000:00:14.0-4.2.1.2, CDC NCM (NO ZLP), XXX
[   26.221651] usbcore: registered new interface driver cdc_ncm
[   26.228984] usbcore: registered new interface driver cdc_wdm
[   26.230680] usbcore: registered new interface driver cdc_mbim
```
with XXX being the actual mac
```
$ ip link
4: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
    link/ether XXX brd ff:ff:ff:ff:ff:ff
```
i tried downgrading the kernel, linux-firmware, using dracut: same issue.

compared to installer, i'm using booster initramfs, booting from efistub
```
$ ls /var/service
acpid	    agetty-tty2  agetty-tty4  agetty-tty6  cronie  nanoklogd  runsvdir-dkwo	socklog-unix  udevd
agetty-tty1  agetty-tty3  agetty-tty5  chronyd	   dhcpcd  pipewire   seatd		tlp	     wpa_supplicant
$ cat /etc/xbps.d/ignore.conf 
ignorepkg=sudo
ignorepkg=dracut
ignorepkg=dbus
$ cat /etc/booster.yaml 
busybox: true
enable_lvm: true
modules: i915
modules_force_load: usbkbd
$ cat /etc/default/efibootmgr-kernel-hook 
# Options for the kernel hook script installed by the efibootmgr package.
MODIFY_EFI_ENTRIES=1
OPTIONS="loglevel=4 rd.luks.name=(actual uuid)=cryptroot root=/dev/cryptroot/root rd.luks.options=discard"
DISK="/dev/nvme0n1"
PART=1
```

Any ideas?