[fedora-arm] Re: Potential regression of the Ethernet configuration/driver in F35 with Rockchip / Rock Pi 4

You don't state what kernel version you're running is.

On Mon, Nov 1, 2021 at 4:44 PM Peter Boy <pboy@uni-bremen.de> wrote:
>
> I tried to install F35 on my Rock Pi 4 A yesterday and ended up with a basically working box but without an ethernet connection. An ‚ip a' just shows the device without any IP settings. After setting hostname and locale and reboot I got an IPv6 local link (fe80::…) but nothing else. And after a while that vanished, too.
>
> A 'nmcli dev' shows an ethernet device eth0, at first in status ‚connection' and after a while ‚disconnected'.
> A 'nmcli con' first showed ‚wired connection 1' and device eth0, later no device.
>
>
> In boot log I found several entries with warnings about something not found, but in the end:
>
> rk_gmac-dwmac fe300000.ethernet: Ring mode enabled
> rk_gmac-dwmac fe300000.ethernet: Enable RX Mitigation via HW Watchdog Timer
> RTL8211E Gigabit Ethernet stmmac-0:01: attached PHY driver (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
>
> And NetworkManager
>
> (NM)[1103]: <info> ... device (lo): carrier: link connected
> (NM)[1103]: <info> ... manager: (lo): new Generic device (/org/freedesk...ces/1)
> (NM)[1103]: <info> ... device (eth0): driver '(null)' does not support carrier detection.
> (NM)[1103]: <info> ... device (eth0): driver 'rk_gmac-dwmac' does not support carrier detection.
> (NM)[1103]: <info> ... manager: (eth0): new Ethernet device (/org/freede.../Devices/2)
> (NM)[1103]: <info> ... settings: (eth0): created default wired connection 'Wired connection 1'
> (NM)[1103]: <info> ... device (eth0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
>
> rk_gmac-dwmac fe300000.ethernet eth0: PHY [stmmac-0:00] driver [RTL8211E Gigabit Ethernet] (irq=POLL)
> rk_gmac-dwmac fe300000.ethernet eth0: Register MEM_TYPE_PAGE_POOL RxQ-0
> rk_gmac-dwmac fe300000.ethernet eth0: No Safety Features support found
> rk_gmac-dwmac fe300000.ethernet eth0: PTP not supported by HW
> rk_gmac-dwmac fe300000.ethernet eth0: configuring for phy/rgmii link mode
> ...
> rk_gmac-dwmac fe300000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
>
>
> With current fully updated F34 everything works fine, even PCIe NVMe ssd M.2 works.
>
> I hesitate to update to F35 online. If I then find myself without a network connection, it is difficult to reinstall F34 (with the F34 install image the network works, but not the terminal).
>
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>
> Any idea how getting this to work?
>
>
>
> Any help greatly appreciated.
>
> Peter
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