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Message-ID: <CAG_g8w4xD5qY8po09QdqC8w7bgjbmbe_nT4jCbt4Fa3ShWNzew@mail.gmail.com>
Date: Tue, 25 Jul 2017 18:56:21 +0200
From: crow <crow@...ux.org.ba>
To: 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
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
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-alpha-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/ethernet/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/426849e6611f2092553f8d53372ae310818a6292
>>
>> [0] https://github.com/torvalds/linux/commit/e15d2774b8c096f116bf7192b37e8652da71369e
>> [1] https://kernel.googlesource.com/pub/scm/linux/kernel/git/khilman/linux-amlogic/+/v4.12/integ
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