- Status Unconfirmed
- Percent Complete
- Task Type Bug Report
- Category Base system
- Assigned To No-one
- Operating System All
- Severity Low
- Priority Very Low
- Reported Version Trunk
- Due in Version Undecided
-
Due Date
Undecided
- Private
FS#3455 - tl-wdr3600 5ghz wireless multiple disconnection in client mode
Supply the following if possible:
- Device problem occurs on
TL WDR3600 v1
- Software versions of OpenWrt/LEDE release, packages, etc.
OpenWrt 19.07.4 r11208-ce6496d796 / LuCI openwrt-19.07 branch git-20.313.59566-7460e9d
kmod-ath9k - 4.14.195+4.19.137-1-2 (Atheros AR9580 802.11an)
root@OpenWrt:~# iw phy phy1 info
Wiphy phy1
max # scan SSIDs: 4
max scan IEs length: 2261 bytes
max # sched scan SSIDs: 0
max # match sets: 0
max # scan plans: 1
max scan plan interval: -1
max scan plan iterations: 0
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports AP-side u-APSD.
Device supports T-DLS.
Available Antennas: TX 0x3 RX 0x3
Configured Antennas: TX 0x3 RX 0x3
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor
* mesh point
* P2P-client
* P2P-GO
* outside context of a BSS
Band 2:
Capabilities: 0x11ef
RX LDPC
HT20/HT40
SM Power Save disabled
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 1-stream
Max AMSDU length: 3839 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 8 usec (0x06)
HT TX/RX MCS rate indexes supported: 0-15
Frequencies:
* 5180 MHz [36] (19.0 dBm)
* 5200 MHz [40] (19.0 dBm)
* 5220 MHz [44] (19.0 dBm)
* 5240 MHz [48] (19.0 dBm)
* 5260 MHz [52] (19.0 dBm) (radar detection)
* 5280 MHz [56] (19.0 dBm) (radar detection)
* 5300 MHz [60] (19.0 dBm) (radar detection)
* 5320 MHz [64] (19.0 dBm) (radar detection)
* 5500 MHz [100] (19.0 dBm) (radar detection)
* 5520 MHz [104] (19.0 dBm) (radar detection)
* 5540 MHz [108] (19.0 dBm) (radar detection)
* 5560 MHz [112] (19.0 dBm) (radar detection)
* 5580 MHz [116] (19.0 dBm) (radar detection)
* 5600 MHz [120] (19.0 dBm) (radar detection)
* 5620 MHz [124] (19.0 dBm) (radar detection)
* 5640 MHz [128] (19.0 dBm) (radar detection)
* 5660 MHz [132] (19.0 dBm) (radar detection)
* 5680 MHz [136] (19.0 dBm) (radar detection)
* 5700 MHz [140] (19.0 dBm) (radar detection)
* 5745 MHz [149] (13.0 dBm)
* 5765 MHz [153] (13.0 dBm)
* 5785 MHz [157] (13.0 dBm)
* 5805 MHz [161] (13.0 dBm)
* 5825 MHz [165] (13.0 dBm)
valid interface combinations:
* #{ managed } <= 2048, #{ AP, mesh point } <= 8, #{ P2P-client, P2P-GO } <= 1, #{ IBSS } <= 1,
total <= 2048, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz }
HT Capability overrides:
* MCS: ff ff ff ff ff ff ff ff ff ff
* maximum A-MSDU length
* supported channel width
* short GI for 40 MHz
* max A-MPDU length exponent
* min MPDU start spacing
Supported extended features:
* [ RRM ]: RRM
* [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
* [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
* [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
- Steps to reproduce
Connect to a wifi without encryption
root@OpenWrt:~# cat /var/run/wpa_supplicant-wlan0.conf
country=IT
network={
scan_ssid=1
ssid="free-WiFi"
key_mgmt=NONE
beacon_int=100
}
multiple disconnection
see attach file
dmesg_WDR3600.txt
(64.3 KiB)
Reported Version is OpenWrt 19.07.4 r11208-ce6496d796
with other device no disconnection occurred
I have found other similar problems and is a kernel/driver problem, see
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/548992
https://ubuntuforums.org/showthread.php?t=881354&s=a943200d2c6e31236f47bfebb4148917