sudden ethernet failure
#9
(08-30-2020, 04:09 PM)lot378 Wrote: What's your condition or description for "cannot find ethernet hardware"?
 
Per my OP, see this dmesg output (this from Armbian which was running with full networking at time of ethernet loss. I haven't done so much troubleshooting with other bootable OS images, instead just checked for presence of any network with ifconfig and/or nmtui.):

Code:
dwmac-sun8i 1c30000.ethernet: IRQ eth_wake_irq not found
dwmac-sun8i 1c30000.ethernet: IRQ eth_lpi not found
dwmac-sun8i 1c30000.ethernet: PTP uses main clock
dwmac-sun8i 1c30000.ethernet: 1c30000.ethernet supply phy-io not found, using dummy regulator
dwmac-sun8i 1c30000.ethernet: Current syscon value is not the default 2001 (expect 0)
dwmac-sun8i 1c30000.ethernet: No HW DMA feature register supported
dwmac-sun8i 1c30000.ethernet: RX Checksum Offload Engine supported
dwmac-sun8i 1c30000.ethernet: COE Type 2
dwmac-sun8i 1c30000.ethernet: TX Checksum insertion supported
dwmac-sun8i 1c30000.ethernet: Normal descriptors
dwmac-sun8i 1c30000.ethernet: Chain mode enabled
...
dwmac-sun8i 1c30000.ethernet: EMAC reset timeout
dwmac-sun8i 1c30000.ethernet eth0: stmmac_dvr_remove: removing driver
dwmac-sun8i: probe of 1c30000.ethernet failed with error -14

The kernel / uboot cannot detect the presence of an ethernet hardware device.

[edit] USB wifi dongles are detected and configured without issue.
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Messages In This Thread
sudden ethernet failure - by Paraplegic Racehorse - 07-16-2020, 04:12 PM
RE: sudden ethernet failure - by KC9UDX - 07-16-2020, 06:16 PM
RE: sudden ethernet failure - by KC9UDX - 07-17-2020, 10:06 PM
RE: sudden ethernet failure - by zer0sig - 07-20-2020, 05:09 PM
RE: sudden ethernet failure - by lot378 - 08-30-2020, 04:09 PM
RE: sudden ethernet failure - by Paraplegic Racehorse - 08-31-2020, 01:05 AM
RE: sudden ethernet failure - by lot378 - 08-31-2020, 02:41 AM
RE: sudden ethernet failure - by lot378 - 08-31-2020, 08:36 AM
RE: sudden ethernet failure - by KC9UDX - 08-31-2020, 01:59 PM
RE: sudden ethernet failure - by antonagestam - 10-29-2021, 12:53 AM
RE: sudden ethernet failure - by DVS_Dee - 11-10-2021, 05:05 PM

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