On Sun, Oct 25, 2020 at 09:46:43PM -0000, Karl Li wrote:
> Here is the output of 'dmesg | grep ethernet'. I'm not sure what any of this
> means:
>
> dwmac-sun8i lc300000.ethernet: IRQ eth_wake_irq not found
> dwmac-sun8i lc300000.ethernet: IRQ eth_lpi not found
> dwmac-sun8i lc300000.ethernet: PTP uses main clock
> dwmac-sun8i lc300000.ethernet: Current syscon value is not the default 6
> (expect 0)
> dwmac-sun8i lc300000.ethernet: No HW DMA feature register supported
> dwmac-sun8i lc300000.ethernet: RX Checksum Offload engine supported
> dwmac-sun8i lc300000.ethernet: COE Type 2
> dwmac-sun8i lc300000.ethernet: TX Checksum insertion supported
> dwmac-sun8i lc300000.ethernet: Normal descriptors
> dwmac-sun8i lc300000.ethernet: Chain mode enabled
> dwmac-sun8i lc300000.ethernet etho0: PHY [stmmac-0:01] driver [RTL8211E
> Gigabit Ethernet] (irq=POLL)
> dwmac-sun8i lc300000.ethernet etho0: No Safety Features support found
> dwmac-sun8i lc300000.ethernet etho0: No MAC Management Counters available
> dwmac-sun8i lc300000.ethernet etho0: PTP not suppoted by HW
> dwmac-sun8i lc300000.ethernet etho0: configuring for phy/rgmii link mode
> dwmac-sun8i lc300000.ethernet etho0: Link is Up - 1Gbps/Full - flow control
> rx/tx
>
> I did a bit more experimenting and found that the ethernet problem only
> happens with kernel version 5.8.16-200.fc32.aarach64. On 5.8.16-200, if I run
> nmcli device, for eth0 I get something like "Getting IP Configuration", and
> it just gets stuck there until it eventually fails after some time. If I
> revert to kernel version 5.6.6-300.fc32.aarch64, everything works fine. The
> dmesg output is the same between the two kernel versions.
Could this be similar / the same as
https://bugzilla.redhat.com/show_bug.cgi?id=1889090
?
--
Jan Pazdziora
Product Owner, Platform Security Readiness, Red Hat
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