chmooreck

Model(platform): DS1019+ (apollolake) DSM version: DSM 7.0.1-42218 Update 2 Driver version: 2.15.0-6_rxbuf-test Ethernet device: UNITEK USB 3.0 to 2.5G Gigabit Ethernet Adapter Working status: Stable Maximum Throughput: e.g. 2.48 Gbps...

> eth2 Link encap:Ethernet HWaddr 1C:BF:CE:D4:00:77 > BROADCAST MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX...

$ dmesg | grep eth2 You've got openvswitch (bridge) configured on eth0 and eth1 ? Maybe try to turn it off for eth2 test ? I'm not sure if DSM...

Ok, this is something. But unfortunately beyond my knowledge.

r8152-apollolake-2.15.0-5.spk got same issue DS1019+ DSM 7.0.1-42218 Update 2 $ uname -r 4.4.180+ UNITEK USB-A to 2.5G 0bda:8156:3100 00 3.20 5000MBit/s 256mA 1IF (Realtek USB 10/100/1G/2.5G LAN 001000001) $ cat...

Connecting it to front USB is no-go: it tries to initialize and then restarts - I think it can be power issue. I've got same issue with Club 3D adapter...

After connect thru (cheap) powered USB hub: [181273.119257] r8152 2-1:1.0 eth2: v2.15.0 (2021/04/15) [181273.124910] r8152 2-1:1.0 eth2: This product is covered by one or more of the following patents: US6,570,884,...

r8169 in 4.4 uses kmalloc and mapping to dma. I feel I'm too short to make such changes (but i won't give up early ;-) ). In contrary r8152 4.4...

> Isn't `rx_buf_sz` 48kb for `chip rev=14`? https://github.com/bb-qq/r8152/blob/18b4d79e2ea822dfe10d30b99e8925ed0fec7f9b/r8152.c#L19088 Isn't it that amount of space required ?

Thanks for pointing this out. There's always something unexpected around corner ;-) 16kB version seems working without issues (warnings). Fast test (copy few GB file under mc using nfs) shows...