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FS#1373 - Linksys E1700 wireless unstable and jams other WiFi channels with LEDE #7959
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daiaji: Try to enter the following command in the terminal (Note: This operation will make your router restart!) |
mjcmatrix: No change after running that command. (Thank you for your help, though.) |
juppin: I can confirm this issue also on trunk with 4.9 and 4.14 kernel. In the log i see: ieee80211 phy0: rt2800_config_channel: Warning - Using incomplete support for external PA Could not connect to WiFi of e1700 and other near WiFi´s anymore if e1700 is powered. If the antenna´s are disconnected, other wifi´s does work, but not as when e1700 is turned off. |
bliof: It is pretty cool though, you just start the router and everyone nearby looses wifi connection and sees only your network to which they can barely connect :D using Powered by LuCI lede-17.01 branch (git-17.290.79498-d3f0685) / LEDE Reboot 17.01.4 r3560-79f57e422d |
psyborg:
running hi power ap with disconnected antennas now made you ruin your pretty linksys device. such a shame |
humaita: Hi, FYI: this problem is still present in Openwrt 18.06.2 and on todays "development snapshot build". |
nicovell3: Hello. Can someone confirm if this problem persists? |
Still? 😲 |
yes, same problem in 21.02.3 |
This problem still exist in 22.03.2 |
mjcmatrix:
Device: Linksys E1700 (dual antenna, 2.4Ghz only)
Techdata: https://openwrt.org/toh/hwdata/linksys/linksys_e1700
LEDE firmware installed: lede-17.01.4-ramips-mt7620-e1700-squashfs-factory.bin
LEDE supported since commit: https://git.lede-project.org/?p=source.git;a=commit;h=d738d22bf8303bd84e925b2b0c90793a1f3d89e5
LEDE supported since rel: 17.01.0
LEDE supported current rel: 17.01.4
Good: Openwrt/LEDE installs fine and generally runs well. Linux stable. LAN stable. LuCI works. SSH works. Able to access DSL modem web interface on WAN side through LUCI interface configuration, etc.
Bad: Wireless radio is unstable and unusable.
Symptoms observed:
Test environment:
Tested with settings:
Steps to reproduce:
Steps taken to isolate fault:
This seems to rule out a hardware fault. Seems to be a radio fault.
There are two antennae on the E1700. It is unclear to me how these interact or how they can be configured.
I would be grateful if somebody can offer an explanation/suspicion of cause for this as I have not seen this with a WiFi device before. If LEDE can be patched to fix this then I am happy to help conduct further diagnostics if someone is willing to look at this.
Flash map for Linksys E1700:
root@LEDE:~# cat /proc/mtd
dev: size erasesize name
mtd0: 00030000 00001000 "u-boot"
mtd1: 00010000 00001000 "config"
mtd2: 00010000 00001000 "factory"
mtd3: 007b0000 00001000 "firmware"
mtd4: 001286c8 00001000 "kernel"
mtd5: 00687938 00001000 "rootfs"
mtd6: 00458000 00001000 "rootfs_data"
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