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FS#4046 - UniFI 6 LR 5 GHz doesn't always come up #9035
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I can still reproduce this using 21.02.2. |
One of my boots with a problem contained:
One where the wifi comes up has:
The difference that I see is that on a failed boot, it always contained:
There are various others errors in the log related to dma read timeout. I'm not sure if they are related or not. Those lines look like an error, but they show up in both a good and bad boot:
I can reproduce this about 75% of the time. |
does that mean 21.02-rc4 works? unfortunately i cant compile that git tag. got a hash that is known to work? btw. i can work around the issue with a cold boot. unplugging the cable and plugging it back in makes it work fine. |
I don't know that it always works or not. I probably didn't boot it
enough times to know that it had the problem. But as far as I know, I've
never seen the problem with it.
|
Same problems here on an Unify 6 LR installed yesterday with 21.02.2. Booting results in either:
(I also have a Unify 6 Lite on 21.02.2 which doesn't have this problem.) |
I have the Unifi Wifi 6 Long Range. I ran into this issue as well but I think I resolved it since I have 5Ghz working fine. When I checked the wireless config Maybe you can add the country (I did Network > Wireless > Find SSID > Edit > Advanced Settings (tab) > Country Code Here are all the steps I took to get to that point. I'm 99.99% sure it's that since if I undo it, it stops working, and re-adding fixes it. But maybe this can help others troubleshoot:
If it helps others to compare:
|
But does it properly come up every time you reboot the device? |
I've rebooted ~8 since doing that to either test some changes or to move the AP to another location and it's held. Maybe I'm lucky but prior to that 5Ghz wouldn't work. Maybe my issue was a different issue with the same symptoms. |
The workaround does not work for me. |
I have the same issues too with my new Unifi 6 LR. currently I have to restart my wifi twice per day, because all clients (~20) are losing their connection. I guess this is not related to this ticket, but If I try to restart my wifi with "wifi down" and "wifi up", many times the kernel crashes and after my AP is rebooting I have the symptoms described before. with log messages like and the second radio is shown as generic also a "rmmod mt7915e" followed by a "modprobe mt7915e" dows not help. Radio device is not responding. Only an additional reboot helps most of the time. |
I brought openwrt 21.02.2 on a new UniFi6LR yesterday morning and I am facing the same issues. I now use this script as workaround that reboots if the mt7915e probe fails:
For me this is fine for now, when its only happening on a power loss. |
I check the github repo for this driver and it looks like the current driver was in a very early stage. A lot of additional work happens for this driver and I'm looking forward when this will be available in the official openwrt version https://github.com/openwrt/mt76/commits/master/mt7915 b.s.w. my original problem (clients losing connections) was related to my IoT devices which was always disconnect from wifi before they was going to sleep for 5 minutes. Means I had 30 connects and disconnects per hour. After I refactored this devices, to stay always connected, my problem was gone now since 36 hours (fingers crossed :-)) Looks like it is also related somehow to this driver. |
So, is there a real fix? I tried the newest builds but it is not booting, I think I need to install the uboot mod but I havent read anywhere about that |
@netomx I think what we discuss here is different. The device itself is always booting up. The only thing what is not working in ~50% of the cases is the wifi module. You have to reboot so many times until wifi is working. This works always. |
I updated my access point today to openwrt 22.03.0 and my first impressions (from 1 hour usage) are much better. Only difficulty was to find out if my AP is v1 or v2 I flashed first the image for v1 with the result that my LED bar was still not detected and working. So I flashed again the image for v2 and my LED bar was detected and working :-) So it looks that my version was v2 (produced in 02.2022) until now, there was no behavior observed like above anymore. All radio devices was coming up and working. I rebooted 3 times. But I will still continue testing! |
I have tried with the 22.03.0 version, I have tried multiple boots, it always comes up. I also don't see the error messages anymore. I think this issue can be closed. |
Seeing errors with radio1 on 23.05.0, but it might be a different issue, as the kern log shows an issue loading firmware.
|
I have on Radio1 'Generic unknown' on OpenWrt 23.05.2 and on SnapShot from 24 Nov. 'r24455-df167450a5' |
kroeckx:
I upgraded my UniFI 6 LR from 21.02-rc4 to 21.02, and the 5 GHz didn't come up
The log contained:
[ 82.530766] procd: - init -
[ 82.693561] urngd: v1.0.2 started.
[ 82.693573] kmodloader: loading kernel modules from /etc/modules.d/*
[ 82.715949] Loading modules backported from Linux version v5.10.42-0-g65859eca4dff
[ 82.721972] random: crng init done
[ 82.723533] Backport generated by backports.git v5.10.42-1-0-gbee5c545
[ 82.726920] random: 6 urandom warning(s) missed due to ratelimiting
[ 82.758353] xt_time: kernel timezone is -0000
[ 82.825175] mtk-spi-nor 11014000.spi: dma read timeout.
[ 82.832591] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 82.860179] mt7915e 0000:01:00.0: assign IRQ: got 130
[ 82.865298] pci 0000:00:00.0: enabling bus mastering
[ 82.870276] mt7915e 0000:01:00.0: enabling device (0000 -> 0002)
[ 82.876353] mt7915e 0000:01:00.0: enabling bus mastering
[ 82.910736] mt7622-wmac 18000000.wmac: HW/SW Version: 0x8a108a10, Build Time: 20190801210006a
[ 82.910736]
[ 82.958342] mt7915e 0000:01:00.0: HW/SW Version: 0x8a108a10, Build Time: 20201105222230a
[ 82.958342]
[ 83.083169] mt7622-wmac 18000000.wmac: N9 Firmware Version: 2.0, Build Time: 20200131180931
[ 83.103528] mt7915e 0000:01:00.0: WM Firmware Version: ____000000, Build Time: 20201105222304
[ 83.152087] mt7915e 0000:01:00.0: WA Firmware Version: DEV_000000, Build Time: 20201105222323
[ 83.270498] mtk-spi-nor 11014000.spi: dma read timeout.
[ 83.276046] mt7915e: probe of 0000:01:00.0 failed with error -110
[ 83.289668] PPP generic driver version 2.4.2
[ 83.294505] NET: Registered protocol family 24
[ 83.302489] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 85.403795] mtk_soc_eth 1b100000.ethernet eth0: configuring for fixed/2500base-x link mode
[ 85.412217] mtk_soc_eth 1b100000.ethernet eth0: Link is Up - 2.5Gbps/Full - flow control off
I then rebooted, and it did come up, the log now showed:
[ 6.916314] procd: - init -
[ 7.066192] kmodloader: loading kernel modules from /etc/modules.d/*
[ 7.080571] urngd: v1.0.2 started.
[ 7.088294] Loading modules backported from Linux version v5.10.42-0-g65859eca4dff
[ 7.095887] Backport generated by backports.git v5.10.42-1-0-gbee5c545
[ 7.108576] random: crng init done
[ 7.112008] random: 6 urandom warning(s) missed due to ratelimiting
[ 7.120977] xt_time: kernel timezone is -0000
[ 7.198829] mtk-spi-nor 11014000.spi: dma read timeout.
[ 7.206369] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 7.238726] mt7915e 0000:01:00.0: assign IRQ: got 130
[ 7.243838] pci 0000:00:00.0: enabling bus mastering
[ 7.248816] mt7915e 0000:01:00.0: enabling device (0000 -> 0002)
[ 7.254907] mt7915e 0000:01:00.0: enabling bus mastering
[ 7.285262] mt7622-wmac 18000000.wmac: HW/SW Version: 0x8a108a10, Build Time: 20190801210006a
[ 7.285262]
[ 7.346831] mt7915e 0000:01:00.0: HW/SW Version: 0x8a108a10, Build Time: 20201105222230a
[ 7.346831]
[ 7.436626] mt7622-wmac 18000000.wmac: N9 Firmware Version: 2.0, Build Time: 20200131180931
[ 7.532980] mt7915e 0000:01:00.0: WM Firmware Version: ____000000, Build Time: 20201105222304
[ 7.583152] mt7915e 0000:01:00.0: WA Firmware Version: DEV_000000, Build Time: 20201105222323
[ 7.710630] PPP generic driver version 2.4.2
[ 7.716260] NET: Registered protocol family 24
[ 7.724504] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 9.395937] mtk_soc_eth 1b100000.ethernet eth0: configuring for fixed/2500base-x link mode
[ 9.404503] mtk_soc_eth 1b100000.ethernet eth0: Link is Up - 2.5Gbps/Full - flow control off
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