Hi,

5.2 is another mainline kernel that doesn't work on the Banana Pi. On
boot, the syslog is spewed with hundreds of lines of

| sun4i-ss 1c15000.crypto-engine: ERROR: Invalid keylen 26

and the running system has no network interface. Suspicious entries
would be:

|Jul 10 22:39:15 entrada kernel: [    6.510668] sun7i-dwmac 1c50000.ethernet: 
PTP uses main clock
|Jul 10 22:39:15 entrada kernel: [    6.516592] sun7i-dwmac 1c50000.ethernet: 
no reset control found
|Jul 10 22:39:15 entrada kernel: [    6.527634] sun7i-dwmac 1c50000.ethernet: 
could not get tx clock

while a working kernel (5.1.16 with the three patches that are crucial
for the Banana Pi but never made it into one of Greg's releases) shows
this:

|Jul 10 22:40:47 entrada kernel: [    6.531594] sun7i-dwmac 1c50000.ethernet: 
PTP uses main clock
|Jul 10 22:40:47 entrada kernel: [    6.537596] sun7i-dwmac 1c50000.ethernet: 
no reset control found
|Jul 10 22:40:47 entrada kernel: [    6.659144] sun7i-dwmac 1c50000.ethernet: 
Version ID not available
|Jul 10 22:40:47 entrada kernel: [    6.665491] sun7i-dwmac 1c50000.ethernet:   
 DWMAC1000
|Jul 10 22:40:47 entrada kernel: [    6.670577] sun7i-dwmac 1c50000.ethernet: 
DMA HW capability register supported
|Jul 10 22:40:47 entrada kernel: [    6.677877] sun7i-dwmac 1c50000.ethernet: 
Normal descriptors
|Jul 10 22:40:47 entrada kernel: [    6.683664] sun7i-dwmac 1c50000.ethernet: 
Ring mode enabled
|Jul 10 22:40:47 entrada kernel: [   12.814713] sun7i-dwmac 1c50000.ethernet 
eth0: No Safety Features support found
|Jul 10 22:40:47 entrada kernel: [   12.814735] sun7i-dwmac 1c50000.ethernet 
eth0: RX IPC Checksum Offload disabled
|Jul 10 22:40:47 entrada kernel: [   12.814750] sun7i-dwmac 1c50000.ethernet 
eth0: No MAC Management Counters available
|Jul 10 22:40:47 entrada kernel: [   12.814763] sun7i-dwmac 1c50000.ethernet 
eth0: PTP not supported by HW
|Jul 10 22:40:50 entrada kernel: [   17.928555] sun7i-dwmac 1c50000.ethernet 
eth0: Link is Up - 1Gbps/Full - flow control off

Am I the only Banana Pi user left, or why do so many mainline kernel
releases have crippling bugs for the BPi?

Greetings
Marc

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