August 17Aug 17 Hello Everytime I reboot I have to wait many minutes before the NIC auto-negotiates and connects. The problem seems to be at the PHY layer as the LED does not light up at all ... see time span between 23:22:20 and 23:23:52 : Quote Linux rock-5-itx 6.18.43-current-rockchip64 #4 SMP PREEMPT Thu Aug 6 17:27:09 UTC 2026 aarch64 GNU/Linux Aug 17 23:22:20 rock-5-itx kernel: r8169 0003:31:00.0: enabling device (0000 -> 0003) Aug 17 23:22:20 rock-5-itx kernel: r8169 0003:31:00.0 eth0: RTL8125B, 00:e0:4c:XX:XX:XX, XID 641, IRQ 129 Aug 17 23:22:20 rock-5-itx kernel: r8169 0003:31:00.0 eth0: jumbo features [frames: 16362 bytes, tx checksumming: ko] Aug 17 23:22:20 rock-5-itx kernel: r8169 0004:41:00.0: enabling device (0000 -> 0003) Aug 17 23:22:20 rock-5-itx kernel: r8169 0004:41:00.0 eth1: RTL8125B, 00:e0:4c:XX:XX:XX, XID 641, IRQ 130 Aug 17 23:22:20 rock-5-itx kernel: r8169 0004:41:00.0 eth1: jumbo features [frames: 16362 bytes, tx checksumming: ko] Aug 17 23:22:20 rock-5-itx kernel: r8169 0003:31:00.0 enP3p49s0: renamed from eth0 Aug 17 23:22:20 rock-5-itx kernel: r8169 0004:41:00.0 enP4p65s0: renamed from eth1 Aug 17 23:22:20 rock-5-itx systemd[1]: systemd-hibernate-clear.service - Clear Stale Hibernate Storage Info skipped, unmet condition check ConditionPathExists=/sys/firmware/efi/efivars/HibernateLocation-8cf2644b-4b0b-428f-9387-6d876050dc67 Aug 17 23:22:20 rock-5-itx kernel: panthor fb000000.gpu: [drm] Firmware protected mode entry not be supported, ignoring Aug 17 23:22:20 rock-5-itx kernel: panthor fb000000.gpu: [drm] Firmware git sha: 95a25d71030715381f33105394285e1dcc860a65 Aug 17 23:23:49 rock-5-itx kernel: Realtek Internal NBASE-T PHY r8169-3-3100:00: attached PHY driver (mii_bus:phy_addr=r8169-3-3100:00, irq=MAC) Aug 17 23:23:50 rock-5-itx kernel: r8169 0003:31:00.0 enP3p49s0: Link is Down Aug 17 23:23:50 rock-5-itx kernel: Realtek Internal NBASE-T PHY r8169-4-4100:00: attached PHY driver (mii_bus:phy_addr=r8169-4-4100:00, irq=MAC) Aug 17 23:23:50 rock-5-itx kernel: r8169 0004:41:00.0 enP4p65s0: Link is Down Aug 17 23:23:52 rock-5-itx kernel: r8169 0003:31:00.0 enP3p49s0: Link is Up - 1Gbps/Full - flow control rx Why is this happening? Only enP3p49s0 is plugged in and NetworkManager-wait-online.service is disabled. Thanks
August 18Aug 18 My system is fully operational in less than 30 seconds, see boot-analyze-rock-5-itx.pdffor reference. [ 19.098516] r8169 0003:31:00.0: enabling device (0000 -> 0003) [ 19.326928] r8169 0003:31:00.0 eth0: RTL8125B, 00:e0:4c:68:03:fd, XID 641, IRQ 165 [ 19.326952] r8169 0003:31:00.0 eth0: jumbo features [frames: 16362 bytes, tx checksumming: ko] [ 19.329639] r8169 0004:41:00.0: enabling device (0000 -> 0003) [ 19.490203] r8169 0004:41:00.0 eth1: RTL8125B, 00:e0:4c:68:03:fe, XID 641, IRQ 166 [ 19.490217] r8169 0004:41:00.0 eth1: jumbo features [frames: 16362 bytes, tx checksumming: ko] [ 20.157651] r8169 0004:41:00.0 enP4p65s0: renamed from eth1 [ 20.160331] r8169 0003:31:00.0 enP3p49s0: renamed from eth0 [ 22.999249] Realtek Internal NBASE-T PHY r8169-3-3100:00: attached PHY driver (mii_bus:phy_addr=r8169-3-3100:00, irq=MAC) [ 23.156625] r8169 0003:31:00.0 enP3p49s0: Link is Down [ 23.184258] Realtek Internal NBASE-T PHY r8169-4-4100:00: attached PHY driver (mii_bus:phy_addr=r8169-4-4100:00, irq=MAC) [ 23.307706] r8169 0004:41:00.0 enP4p65s0: Link is Down [ 26.299648] r8169 0003:31:00.0 enP3p49s0: Link is Up - 2.5Gbps/Full - flow control rx/tx
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