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Message-ID: <1501097541.2401.35.camel@baylibre.com>
Date: Wed, 26 Jul 2017 21:32:21 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: crow <crow@...ux.org.ba>, Andrew Lunn <andrew@...n.ch>
Cc: netdev@...r.kernel.org,
"open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>
Subject: Re: ARM GLX Khadas VIM Pro - Ethernet detected as only 10Mbps and
stalled after some traffic
On Tue, 2017-07-25 at 18:56 +0200, crow wrote:
> Hi,
> Today I did test on ArchLinuxArm the Kernel v4.13-rc2. On downloading
> the linux git source the network will eventually get stalled. Here are
> the information
>
> Over SSH (network works).
>
> [root@...rm ~]# uname -a
> Linux alarm 4.13.0-rc2-1-ARCH #1 SMP Mon Jul 24 20:02:50 MDT 2017
> aarch64 GNU/Linux
> [root@...rm ~]# mii-tool -vvv eth0
> Using SIOCGMIIPHY=0x8947
> eth0: negotiated 1000baseT-HD flow-control, link ok
[Replying again on the last thread :) ]
This 1000BaseT Half Duplex looks suspucious if the PHY is supposed to be a
10/100Mbps
> registers for MII PHY 8:
> 1000 782d 0181 4400 01e1 c1e1 000f 2001
> ffff ffff ffff ffff ffff ffff ffff ffff
> 0040 0002 40e8 5400 1c1c 0000 0000 aaaa
> fff0 ffff 0000 000a 1407 004a 0000 105a
> product info: vendor 00:60:51, model 0 rev 0
> basic mode: autonegotiation enabled
> basic status: autonegotiation complete, link ok
> capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> 10baseT-FD 10baseT-HD
> advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> 10baseT-FD 10baseT-HD
> link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> 10baseT-FD 10baseT-HD
> [root@...rm ~]# ethtool -S eth0
> NIC statistics:
> mmc_tx_octetcount_gb: 0
> mmc_tx_framecount_gb: 0
> mmc_tx_broadcastframe_g: 0
> mmc_tx_multicastframe_g: 0
> mmc_tx_64_octets_gb: 0
> mmc_tx_65_to_127_octets_gb: 0
> mmc_tx_128_to_255_octets_gb: 0
> mmc_tx_256_to_511_octets_gb: 0
> mmc_tx_512_to_1023_octets_gb: 0
> mmc_tx_1024_to_max_octets_gb: 0
> mmc_tx_unicast_gb: 0
> mmc_tx_multicast_gb: 0
> mmc_tx_broadcast_gb: 0
> mmc_tx_underflow_error: 0
> mmc_tx_singlecol_g: 0
> mmc_tx_multicol_g: 0
> mmc_tx_deferred: 0
> mmc_tx_latecol: 0
> mmc_tx_exesscol: 0
> mmc_tx_carrier_error: 0
> mmc_tx_octetcount_g: 0
> mmc_tx_framecount_g: 0
> mmc_tx_excessdef: 0
> mmc_tx_pause_frame: 0
> mmc_tx_vlan_frame_g: 0
> mmc_rx_framecount_gb: 133
> mmc_rx_octetcount_gb: 16646
> mmc_rx_octetcount_g: 16646
> mmc_rx_broadcastframe_g: 9
> mmc_rx_multicastframe_g: 22
> mmc_rx_crc_error: 0
> mmc_rx_align_error: 0
> mmc_rx_run_error: 0
> mmc_rx_jabber_error: 0
> mmc_rx_undersize_g: 0
> mmc_rx_oversize_g: 0
> mmc_rx_64_octets_gb: 45
> mmc_rx_65_to_127_octets_gb: 64
> mmc_rx_128_to_255_octets_gb: 13
> mmc_rx_256_to_511_octets_gb: 7
> mmc_rx_512_to_1023_octets_gb: 4
> mmc_rx_1024_to_max_octets_gb: 0
> mmc_rx_unicast_g: 102
> mmc_rx_length_error: 0
> mmc_rx_autofrangetype: 0
> mmc_rx_pause_frames: 0
> mmc_rx_fifo_overflow: 0
> mmc_rx_vlan_frames_gb: 0
> mmc_rx_watchdog_error: 0
> mmc_rx_ipc_intr_mask: 1073692671
> mmc_rx_ipc_intr: 0
> mmc_rx_ipv4_gd: 117
> mmc_rx_ipv4_hderr: 0
> mmc_rx_ipv4_nopay: 0
> mmc_rx_ipv4_frag: 0
> mmc_rx_ipv4_udsbl: 0
> mmc_rx_ipv4_gd_octets: 12585
> mmc_rx_ipv4_hderr_octets: 0
> mmc_rx_ipv4_nopay_octets: 0
> mmc_rx_ipv4_frag_octets: 0
> mmc_rx_ipv4_udsbl_octets: 0
> mmc_rx_ipv6_gd_octets: 104
> mmc_rx_ipv6_hderr_octets: 0
> mmc_rx_ipv6_nopay_octets: 0
> mmc_rx_ipv6_gd: 1
> mmc_rx_ipv6_hderr: 0
> mmc_rx_ipv6_nopay: 0
> mmc_rx_udp_gd: 31
> mmc_rx_udp_err: 0
> mmc_rx_tcp_gd: 85
> mmc_rx_tcp_err: 0
> mmc_rx_icmp_gd: 2
> mmc_rx_icmp_err: 0
> mmc_rx_udp_gd_octets: 2963
> mmc_rx_udp_err_octets: 0
> mmc_rx_tcp_gd_octets: 7254
> mmc_rx_tcp_err_octets: 0
> mmc_rx_icmp_gd_octets: 92
> mmc_rx_icmp_err_octets: 0
> tx_underflow: 0
> tx_carrier: 0
> tx_losscarrier: 0
> vlan_tag: 0
> tx_deferred: 0
> tx_vlan: 0
> tx_jabber: 0
> tx_frame_flushed: 0
> tx_payload_error: 0
> tx_ip_header_error: 0
> rx_desc: 0
> sa_filter_fail: 0
> overflow_error: 0
> ipc_csum_error: 0
> rx_collision: 0
> rx_crc_errors: 0
> dribbling_bit: 0
> rx_length: 0
> rx_mii: 0
> rx_multicast: 0
> rx_gmac_overflow: 0
> rx_watchdog: 0
> da_rx_filter_fail: 0
> sa_rx_filter_fail: 0
> rx_missed_cntr: 0
> rx_overflow_cntr: 0
> rx_vlan: 0
> tx_undeflow_irq: 0
> tx_process_stopped_irq: 0
> tx_jabber_irq: 0
> rx_overflow_irq: 0
> rx_buf_unav_irq: 0
> rx_process_stopped_irq: 0
> rx_watchdog_irq: 0
> tx_early_irq: 0
> fatal_bus_error_irq: 0
> rx_early_irq: 0
> threshold: 1
> tx_pkt_n: 83
> rx_pkt_n: 133
> normal_irq_n: 130
> rx_normal_irq_n: 129
> napi_poll: 130
> tx_normal_irq_n: 1
> tx_clean: 192
> tx_set_ic_bit: 1
> irq_receive_pmt_irq_n: 0
> mmc_tx_irq_n: 0
> mmc_rx_irq_n: 0
> mmc_rx_csum_offload_irq_n: 0
> irq_tx_path_in_lpi_mode_n: 72
> irq_tx_path_exit_lpi_mode_n: 72
> irq_rx_path_in_lpi_mode_n: 0
> irq_rx_path_exit_lpi_mode_n: 0
> phy_eee_wakeup_error_n: 65535
> ip_hdr_err: 0
> ip_payload_err: 0
> ip_csum_bypassed: 0
> ipv4_pkt_rcvd: 0
> ipv6_pkt_rcvd: 0
> no_ptp_rx_msg_type_ext: 0
> ptp_rx_msg_type_sync: 0
> ptp_rx_msg_type_follow_up: 0
> ptp_rx_msg_type_delay_req: 0
> ptp_rx_msg_type_delay_resp: 0
> ptp_rx_msg_type_pdelay_req: 0
> ptp_rx_msg_type_pdelay_resp: 0
> ptp_rx_msg_type_pdelay_follow_up: 0
> ptp_rx_msg_type_announce: 0
> ptp_rx_msg_type_management: 0
> ptp_rx_msg_pkt_reserved_type: 0
> ptp_frame_type: 0
> ptp_ver: 0
> timestamp_dropped: 0
> av_pkt_rcvd: 0
> av_tagged_pkt_rcvd: 0
> vlan_tag_priority_val: 0
> l3_filter_match: 0
> l4_filter_match: 0
> l3_l4_filter_no_match: 0
> irq_pcs_ane_n: 0
> irq_pcs_link_n: 0
> irq_rgmii_n: 0
> mtl_tx_status_fifo_full: 0
> mtl_tx_fifo_not_empty: 0
> mmtl_fifo_ctrl: 0
> mtl_tx_fifo_read_ctrl_write: 0
> mtl_tx_fifo_read_ctrl_wait: 0
> mtl_tx_fifo_read_ctrl_read: 0
> mtl_tx_fifo_read_ctrl_idle: 0
> mac_tx_in_pause: 0
> mac_tx_frame_ctrl_xfer: 0
> mac_tx_frame_ctrl_idle: 0
> mac_tx_frame_ctrl_wait: 0
> mac_tx_frame_ctrl_pause: 0
> mac_gmii_tx_proto_engine: 0
> mtl_rx_fifo_fill_level_full: 0
> mtl_rx_fifo_fill_above_thresh: 0
> mtl_rx_fifo_fill_below_thresh: 0
> mtl_rx_fifo_fill_level_empty: 0
> mtl_rx_fifo_read_ctrl_flush: 0
> mtl_rx_fifo_read_ctrl_read_data: 0
> mtl_rx_fifo_read_ctrl_status: 0
> mtl_rx_fifo_read_ctrl_idle: 0
> mtl_rx_fifo_ctrl_active: 0
> mac_rx_frame_ctrl_fifo: 0
> mac_gmii_rx_proto_engine: 0
> tx_tso_frames: 0
> tx_tso_nfrags: 0
> [root@...rm ~]#
>
>
>
>
> [root@...rm opt]# git clone
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
> Cloning into 'linux-stable'...
> remote: Counting objects: 6071472, done.
> remote: Compressing objects: 100% (961861/961861), done.
> Receiving objects: 0% (22798/6071472), 9.12 MiB | 3.47 MiB/s
>
>
>
> Over serial console:
> journalctl -f
> alarm systemd-timesyncd[256]: Timed out waiting for reply from
> 144.76.197.108:123 (2.arch.pool.ntp.org).
>
> [root@...rm ~]# ping -c3 8.8.8.8
> PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
> From 10.8.8.6 icmp_seq=1 Destination Host Unreachable
> From 10.8.8.6 icmp_seq=2 Destination Host Unreachable
> From 10.8.8.6 icmp_seq=3 Destination Host Unreachable
>
> --- 8.8.8.8 ping statistics ---
> 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2047ms
> pipe 3
> [root@...rm ~]#
> [root@...rm ~]# mii-tool -vvv eth0
> Using SIOCGMIIPHY=0x8947
> eth0: negotiated 1000baseT-HD flow-control, link ok
> registers for MII PHY 8:
> 1000 782d 0181 4400 01e1 c1e1 000d 2001
> ffff ffff ffff ffff ffff ffff ffff ffff
> 0040 0002 40e8 5400 1c1c 0000 0000 aaaa
> fff0 ffff 0000 000a 1407 0000 0000 105a
> product info: vendor 00:60:51, model 0 rev 0
> basic mode: autonegotiation enabled
> basic status: autonegotiation complete, link ok
> capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> 10baseT-FD 10baseT-HD
> advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> 10baseT-FD 10baseT-HD
> link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> 10baseT-FD 10baseT-HD
> [root@...rm ~]# ethtool -S eth0
> NIC statistics:
> mmc_tx_octetcount_gb: 0
> mmc_tx_framecount_gb: 0
> mmc_tx_broadcastframe_g: 0
> mmc_tx_multicastframe_g: 0
> mmc_tx_64_octets_gb: 0
> mmc_tx_65_to_127_octets_gb: 0
> mmc_tx_128_to_255_octets_gb: 0
> mmc_tx_256_to_511_octets_gb: 0
> mmc_tx_512_to_1023_octets_gb: 0
> mmc_tx_1024_to_max_octets_gb: 0
> mmc_tx_unicast_gb: 0
> mmc_tx_multicast_gb: 0
> mmc_tx_broadcast_gb: 0
> mmc_tx_underflow_error: 0
> mmc_tx_singlecol_g: 0
> mmc_tx_multicol_g: 0
> mmc_tx_deferred: 0
> mmc_tx_latecol: 0
> mmc_tx_exesscol: 0
> mmc_tx_carrier_error: 0
> mmc_tx_octetcount_g: 0
> mmc_tx_framecount_g: 0
> mmc_tx_excessdef: 0
> mmc_tx_pause_frame: 0
> mmc_tx_vlan_frame_g: 0
> mmc_rx_framecount_gb: 14959
> mmc_rx_octetcount_gb: 20761536
> mmc_rx_octetcount_g: 20761536
> mmc_rx_broadcastframe_g: 22
> mmc_rx_multicastframe_g: 64
> mmc_rx_crc_error: 0
> mmc_rx_align_error: 0
> mmc_rx_run_error: 0
> mmc_rx_jabber_error: 0
> mmc_rx_undersize_g: 0
> mmc_rx_oversize_g: 0
> mmc_rx_64_octets_gb: 495
> mmc_rx_65_to_127_octets_gb: 658
> mmc_rx_128_to_255_octets_gb: 73
> mmc_rx_256_to_511_octets_gb: 63
> mmc_rx_512_to_1023_octets_gb: 124
> mmc_rx_1024_to_max_octets_gb: 13546
> mmc_rx_unicast_g: 14873
> mmc_rx_length_error: 0
> mmc_rx_autofrangetype: 0
> mmc_rx_pause_frames: 0
> mmc_rx_fifo_overflow: 0
> mmc_rx_vlan_frames_gb: 0
> mmc_rx_watchdog_error: 0
> mmc_rx_ipc_intr_mask: 2147385342
> mmc_rx_ipc_intr: 0
> mmc_rx_ipv4_gd: 14725
> mmc_rx_ipv4_hderr: 0
> mmc_rx_ipv4_nopay: 0
> mmc_rx_ipv4_frag: 0
> mmc_rx_ipv4_udsbl: 0
> mmc_rx_ipv4_gd_octets: 20476749
> mmc_rx_ipv4_hderr_octets: 0
> mmc_rx_ipv4_nopay_octets: 0
> mmc_rx_ipv4_frag_octets: 0
> mmc_rx_ipv4_udsbl_octets: 0
> mmc_rx_ipv6_gd_octets: 312
> mmc_rx_ipv6_hderr_octets: 0
> mmc_rx_ipv6_nopay_octets: 0
> mmc_rx_ipv6_gd: 3
> mmc_rx_ipv6_hderr: 0
> mmc_rx_ipv6_nopay: 0
> mmc_rx_udp_gd: 51
> mmc_rx_udp_err: 0
> mmc_rx_tcp_gd: 14673
> mmc_rx_tcp_err: 0
> mmc_rx_icmp_gd: 4
> mmc_rx_icmp_err: 0
> mmc_rx_udp_gd_octets: 3924
> mmc_rx_udp_err_octets: 0
> mmc_rx_tcp_gd_octets: 20178297
> mmc_rx_tcp_err_octets: 0
> mmc_rx_icmp_gd_octets: 220
> mmc_rx_icmp_err_octets: 0
> tx_underflow: 0
> tx_carrier: 0
> tx_losscarrier: 0
> vlan_tag: 0
> tx_deferred: 0
> tx_vlan: 0
> tx_jabber: 0
> tx_frame_flushed: 0
> tx_payload_error: 0
> tx_ip_header_error: 0
> rx_desc: 0
> sa_filter_fail: 0
> overflow_error: 0
> ipc_csum_error: 0
> rx_collision: 0
> rx_crc_errors: 0
> dribbling_bit: 0
> rx_length: 0
> rx_mii: 0
> rx_multicast: 0
> rx_gmac_overflow: 0
> rx_watchdog: 0
> da_rx_filter_fail: 0
> sa_rx_filter_fail: 0
> rx_missed_cntr: 0
> rx_overflow_cntr: 0
> rx_vlan: 0
> tx_undeflow_irq: 0
> tx_process_stopped_irq: 0
> tx_jabber_irq: 0
> rx_overflow_irq: 0
> rx_buf_unav_irq: 0
> rx_process_stopped_irq: 0
> rx_watchdog_irq: 0
> tx_early_irq: 0
> fatal_bus_error_irq: 0
> rx_early_irq: 6
> threshold: 1
> tx_pkt_n: 3709
> rx_pkt_n: 12926
> normal_irq_n: 4594
> rx_normal_irq_n: 4537
> napi_poll: 4597
> tx_normal_irq_n: 57
> tx_clean: 5109
> tx_set_ic_bit: 59
> irq_receive_pmt_irq_n: 0
> mmc_tx_irq_n: 0
> mmc_rx_irq_n: 0
> mmc_rx_csum_offload_irq_n: 0
> irq_tx_path_in_lpi_mode_n: 2921
> irq_tx_path_exit_lpi_mode_n: 2920
> irq_rx_path_in_lpi_mode_n: 0
> irq_rx_path_exit_lpi_mode_n: 0
> phy_eee_wakeup_error_n: 65535
> ip_hdr_err: 0
> ip_payload_err: 0
> ip_csum_bypassed: 0
> ipv4_pkt_rcvd: 0
> ipv6_pkt_rcvd: 0
> no_ptp_rx_msg_type_ext: 0
> ptp_rx_msg_type_sync: 0
> ptp_rx_msg_type_follow_up: 0
> ptp_rx_msg_type_delay_req: 0
> ptp_rx_msg_type_delay_resp: 0
> ptp_rx_msg_type_pdelay_req: 0
> ptp_rx_msg_type_pdelay_resp: 0
> ptp_rx_msg_type_pdelay_follow_up: 0
> ptp_rx_msg_type_announce: 0
> ptp_rx_msg_type_management: 0
> ptp_rx_msg_pkt_reserved_type: 0
> ptp_frame_type: 0
> ptp_ver: 0
> timestamp_dropped: 0
> av_pkt_rcvd: 0
> av_tagged_pkt_rcvd: 0
> vlan_tag_priority_val: 0
> l3_filter_match: 0
> l4_filter_match: 0
> l3_l4_filter_no_match: 0
> irq_pcs_ane_n: 0
> irq_pcs_link_n: 0
> irq_rgmii_n: 0
> mtl_tx_status_fifo_full: 0
> mtl_tx_fifo_not_empty: 0
> mmtl_fifo_ctrl: 0
> mtl_tx_fifo_read_ctrl_write: 0
> mtl_tx_fifo_read_ctrl_wait: 0
> mtl_tx_fifo_read_ctrl_read: 0
> mtl_tx_fifo_read_ctrl_idle: 0
> mac_tx_in_pause: 0
> mac_tx_frame_ctrl_xfer: 0
> mac_tx_frame_ctrl_idle: 0
> mac_tx_frame_ctrl_wait: 0
> mac_tx_frame_ctrl_pause: 0
> mac_gmii_tx_proto_engine: 0
> mtl_rx_fifo_fill_level_full: 0
> mtl_rx_fifo_fill_above_thresh: 0
> mtl_rx_fifo_fill_below_thresh: 0
> mtl_rx_fifo_fill_level_empty: 0
> mtl_rx_fifo_read_ctrl_flush: 0
> mtl_rx_fifo_read_ctrl_read_data: 0
> mtl_rx_fifo_read_ctrl_status: 0
> mtl_rx_fifo_read_ctrl_idle: 0
> mtl_rx_fifo_ctrl_active: 0
> mac_rx_frame_ctrl_fifo: 0
> mac_gmii_rx_proto_engine: 0
> tx_tso_frames: 0
> tx_tso_nfrags: 0
> [root@...rm ~]#
> [root@...rm ~]# ifconfig eth0 down && ifconfig eth0 up
> Meson GXL Internal PHY 0.e40908ff:08: attached PHY driver [Meson GXL
> Internal PHY] (mii_bus:phy_addr=0.e40908ff:08, irq=-1)
> meson8b-dwmac c9410000.ethernet eth0: PTP not supported by HW
> meson8b-dwmac c9410000.ethernet eth0: Link is Up - 100Mbps/Full - flow
> control off
> [root@...rm ~]#
>
>
>
> whole dmesg [1]. there are some messages like: mdio-mux-mmioreg
> c883455c.eth-phy-mux: failed to register mdio-mux bus
> /soc/periphs@...34000/eth-phy-mux
>
> [1] https://defuse.ca/b/s2NpyJlw
>
> Regards,
>
>
> On Tue, Jun 27, 2017 at 7:14 PM, crow <crow@...ux.org.ba> wrote:
> > Hi,
> > There are other user reporting same issue while using mainline kernel
> > but using Ubuntu, so this is for sure not Distribution related. For me
> > see the [0]. I hope someone would get time after 4.12 release to try
> > fix this issue.
> >
> > Regards,
> >
> > [0] http://forum.khadas.com/t/ubuntu-server-rom-linux-mainline-v170624-pre-a
> > lpha-version-emmc-installation/803/12
> >
> > On Thu, Jun 15, 2017 at 4:40 PM, crow <crow@...ux.org.ba> wrote:
> > > Hi,
> > >
> > > On Sun, Jun 11, 2017 at 7:03 PM, crow <crow@...ux.org.ba> wrote:
> > > > Hi Andrew,
> > > >
> > > > On Sun, Jun 11, 2017 at 5:21 PM, Andrew Lunn <andrew@...n.ch> wrote:
> > > > > > Thank your for the suggestion, and thanks Martin to explaining me
> > > > > > over
> > > > > > IRC what actually I should do.
> > > > > >
> > > > > > I recompiled mainline kernel 4.12-rc4 with the Amlogic driver:
> > > > > > replaced drivers/net/phy/meson-gxl.c with
> > > > > > https://github.com/khadas/linux/blob/ubuntu-4.9/drivers/amlogic/ethe
> > > > > > rnet/phy/amlogic.c
> > > > > >
> > > > > > But this did not solve the issue. As soon as i start git clone i
> > > > > > lose
> > > > > > network connection to device (no session timeout/disconnect this
> > > > > > time,
> > > > > > but I am unable to reconnect over SSH or to get OK ping replay
> > > > > > back).
> > > >
> > > > 1) First problem reported I can't reproduce anymore, every reboot/cold
> > > > boot with mainline kernel the Ethernet speed is detected as
> > > > "100Mbps/Full" , but as seen in first post there was this issue.
> > >
> > > Once I did setup u-boot to have network in u-boot and did just an ping
> > > to activate network. And after boot Ethernet was detected as 10Mbps.
> > > But again was not able to reproduce it. I double check that I have 5E
> > > cable.
> > >
> > > in u-boot Ethernet is detected as below
> > > kvim#ping x.x.x.x
> > > Speed: 100, full duplex
> > > Using dwmac.c9410000 device
> > > host x.x.x.x is alive
> > > kvim#
> > >
> > > then I let ArchLinuxArm to boot and found out I can't connect to
> > > device over SSH. Check over serial console and found:
> > >
> > > # dmesg | tail -n 10
> > > [ 8.334790] meson8b-dwmac c9410000.ethernet eth0: device MAC
> > > address 00:15:18:01:81:31
> > > [ 8.436668] Meson GXL Internal PHY 0.e40908ff:08: attached PHY
> > > driver [Meson GXL Internal PHY] (mii_bus:phy_addr=0.e40908ff:08,
> > > irq=-1)
> > > [ 8.535171] meson8b-dwmac c9410000.ethernet eth0: PTP not supported by
> > > HW
> > > [ 10.225264] brcmfmac: brcmf_c_preinit_dcmds: Firmware version =
> > > wl0: Mar 1 2015 07:29:38 version 7.45.18 (r538002) FWID 01-6a2c8ad4
> > > [ 10.635703] meson8b-dwmac c9410000.ethernet eth0: Link is Up -
> > > 10Mbps/Half - flow control off
> > > # uname -a
> > > Linux khadasvimpro 4.12.0-rc4-3-ARCH #1 SMP Thu Jun 8 00:17:20 CEST
> > > 2017 aarch64 GNU/Linux
> > > #
> > > # mii-tool -vvv eth0
> > > Using SIOCGMIIPHY=0x8947
> > > eth0: no autonegotiation,, link ok
> > > registers for MII PHY 8:
> > > 1000 782d 0181 4400 01e1 0001 0005 2001
> > > ffff ffff ffff ffff ffff ffff ffff ffff
> > > 0040 0002 40e8 5400 1c1c 0000 0000 aaaa
> > > fff0 ffff 0000 000a 1407 0040 0000 105a
> > > product info: vendor 00:60:51, model 0 rev 0
> > > basic mode: autonegotiation enabled
> > > basic status: autonegotiation complete, link ok
> > > capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> > > 10baseT-FD 10baseT-HD
> > > advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> > > 10baseT-FD 10baseT-HD
> > > #
> > > # ifconfig eth0 down && ifconfig eth0 up
> > > [ 1972.596690] Meson GXL Internal PHY 0.e40908ff:08: attached PHY
> > > driver [Meson GXL Internal PHY] (mii_bus:phy_addr=0.e40908ff:08,
> > > irq=-1)
> > > [ 1972.704156] meson8b-dwmac c9410000.ethernet eth0: PTP not supported by
> > > HW
> > > [ 1974.795698] meson8b-dwmac c9410000.ethernet eth0: Link is Up -
> > > 100Mbps/Full - flow control off
> > > #
> > > # mii-tool -vvv eth0
> > > Using SIOCGMIIPHY=0x8947
> > > eth0: negotiated 1000baseT-HD flow-control, link ok
> > > registers for MII PHY 8:
> > > 1000 782d 0181 4400 01e1 c1e1 000f 2001
> > > ffff ffff ffff ffff ffff ffff ffff ffff
> > > 0040 0002 40e8 5400 1c1c 0000 0000 aaaa
> > > fff0 ffff 0000 020a 1407 00ca 0000 105a
> > > product info: vendor 00:60:51, model 0 rev 0
> > > basic mode: autonegotiation enabled
> > > basic status: autonegotiation complete, link ok
> > > capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> > > 10baseT-FD 10baseT-HD
> > > advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> > > 10baseT-FD 10baseT-HD
> > > link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> > > 10baseT-FD 10baseT-HD
> > > #
> > >
> > > 2) see below
> > > > 2) see below
> > > >
> > > > > So this shows it is more than a PHY problem. The Ethernet MAC driver
> > > > > is probably also part of the problem.
> > > >
> > > > There are some stmmac fixes [1] in soon to be rc5, compiled current
> > > > master (without amlogic.c) with the fixes but for me the issue still
> > > > persist. I will compile once released rc5 with amlogic.c and report
> > > > back.
> > > >
> > > > > Are there any mainline kernels which work O.K?
> > > >
> > > > Khadas VIM support was added in 4.12-rc1. And I did test all four rc's
> > > > but without success.
> > >
> > > I did test many Kernel builds but all test have failed when
> > > downloading bigger files / doing git clone.
> > > As Martin Blumenstingl suggested I start with first commit where
> > > Khadas VIM support was added [0]. Then also Neil Armstrong suggested
> > > [1]. Then all 4.12-rc1 - rc5.
> > > Martin Blumenstingl have also found himself that: "I can reproduce the
> > > Ethernet problem (tried downloading a 1GiB test file from leaseweb,
> > > network got stuck after downloading ~70 MiB)". He suggested that I
> > > should "play with the settings on your switch (disable jumbo frames,
> > > etc.) to rule out the "exotic" stuff?". Well other device (x86_64)
> > > connected on this same Switch port does not have any problem
> > > downloading big files or doing git clone, as well as Khadas VIM with
> > > Amlogic kernel. Also jumbo frames are not enabled, switch does have
> > > only standard settings.
> > >
> > > I also get questioned which qdisc I use:
> > > And it seems I am already using fq_codel (ArchLinuxArm uses systemd):
> > > $ tc -s -p qdisc
> > > qdisc noqueue 0: dev lo root refcnt 2
> > > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
> > > backlog 0b 0p requeues 0
> > > qdisc mq 0: dev eth0 root
> > > Sent 7382956 bytes 60703 pkt (dropped 0, overlimits 0 requeues 18)
> > > backlog 0b 0p requeues 18
> > > qdisc fq_codel 0: dev eth0 parent :1 limit 10240p flows 1024 quantum
> > > 1514 target 5.0ms interval 100.0ms memory_limit 32Mb ecn
> > > Sent 7382956 bytes 60703 pkt (dropped 0, overlimits 0 requeues 18)
> > > backlog 0b 0p requeues 18
> > > maxpacket 54 drop_overlimit 0 new_flow_count 14 ecn_mark 0
> > > new_flows_len 0 old_flows_len 0
> > > $ pacman -Qi systemd
> > > Name : systemd
> > > Version : 232-8
> > > Description : system and service manager
> > > Architecture : aarch64
> > > ...
> > > $
> > >
> > >
> > > Regards,
> > >
> > > > > Andrew
> > > >
> > > > [1] https://github.com/torvalds/linux/commit/426849e6611f2092553f8d53372
> > > > ae310818a6292
> > >
> > > [0] https://github.com/torvalds/linux/commit/e15d2774b8c096f116bf7192b37e8
> > > 652da71369e
> > > [1] https://kernel.googlesource.com/pub/scm/linux/kernel/git/khilman/linux
> > > -amlogic/+/v4.12/integ
>
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