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FS#2719 - Buffalo WBMR-HP-G300H: DSL does not connect at all with the default firmware #7516

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openwrt-bot opened this issue Jan 9, 2020 · 0 comments
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flyspray release/19.07 pull request/issue targeted (also) for OpenWrt 19.07 release

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patrakov:

Supply the following if possible:

  • Device problem occurs on: Buffalo WBMR-HP-G300H
  • Software versions of OpenWrt/LEDE release, packages, etc.: OpenWRT 19.07, kmod-ltq-adsl-ar9-fw-a 0.1-1, which shows up as 4.4.4.0.0.1 in dsl_control status.
  • Steps to reproduce:
  1. Get an ADSL line from Rostelecom.
  2. Upgrade the router to OpenWRT 19.07.
  3. Reboot.

Result: DSL does not connect. In /etc/init.d/dsl_control status, it goes through all phases, then briefly shows as "Up", but then the "dsl0" interface is not created, and the following lines are logged in dmesg:

[ 56.597766] [DSL_BSP_Showtime 914]: Datarate US intl = 1024000, fast = 0
[ 56.603091] [DSL_BSP_Showtime 934]: no hookup from ATM driver to set cell rate

The error does not exist with the 4.5.4.9.1.1 firmware obtained from unofficial sources. The bug has been submitted through the affected ADSL line with the unofficial firmware.

Status:

/etc/init.d/dsl_control status

ATU-C Vendor ID: Broadcom 161.149
ATU-C System Vendor ID: 00,00,00,00,00,00,00,00
Chipset: Ifx-AR9
Firmware Version: 4.5.4.9.1.1
API Version: 3.24.4.4
XTSE Capabilities: 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
Annex: A
Line Mode: G.992.1 (ADSL)
Profile:
Line State: UP [0x801: showtime_tc_sync]
Forward Error Correction Seconds (FECS): Near: 413342 / Far: 0
Errored seconds (ES): Near: 0 / Far: 0
Severely Errored Seconds (SES): Near: 0 / Far: 0
Loss of Signal Seconds (LOSS): Near: 0 / Far: 0
Unavailable Seconds (UAS): Near: 253 / Far: 253
Header Error Code Errors (HEC): Near: 0 / Far: 0
Non Pre-emtive CRC errors (CRC_P): Near: / Far:
Pre-emtive CRC errors (CRCP_P): Near: / Far:
Power Management Mode: L0 - Synchronized
Latency [Interleave Delay]: 8.0 ms [Interleave] 8.0 ms [Interleave]
Data Rate: Down: 9.952 Mb/s / Up: 1.024 Mb/s
Line Attenuation (LATN): Down: 32.2 dB / Up: 19.5 dB
Signal Attenuation (SATN): Down: 32.6 dB / Up: 19.5 dB
Noise Margin (SNR): Down: 6.1 dB / Up: 13.0 dB
Aggregate Transmit Power (ACTATP): Down: 20.0 dB / Up: 12.3 dB
Max. Attainable Data Rate (ATTNDR): Down: 8.848 Mb/s / Up: 1.204 Mb/s
Line Uptime Seconds: 1164
Line Uptime: 19m 24s

(yes, very bad line)

Config:

config atm-bridge 'atm'
option vpi '1'
option encaps 'llc'
option payload 'bridged'
option nameprefix 'dsl'
option vci '50'
option unit '0'
option atmdev '0'

config dsl 'dsl'
option annex 'a'
option firmware '/lib/firmware/dsl_ar9_firmware_adsl_a-04.05.04.09.01.01.bin'

config interface 'wan'
option ifname 'dsl0'
option proto 'pppoe'
option ipv6 '1'
option username 'censored'
list dns '8.8.8.8'
list dns '8.8.4.4'
option peerdns '0'
option keepalive '60 5'
option password 'censored'

@aparcar aparcar added the release/19.07 pull request/issue targeted (also) for OpenWrt 19.07 release label Feb 22, 2022
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