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After upgrading my R8000 from Chaos Calmer (15.05.1) to LEDE Reboot (17.01.0-rc2, r3131-42f3c1f), I found that I could no longer get the 5GHz radios to work as before. The 2.4GHz radio is fine.
In 17.01.0-rc2, I can't get radio0 to come up at all. radio2 can be configured, still on channel 48 and country 00, but in VHT40 mode. If I use VHT80, it stays disabled.
I'm not sure if this issue is really related to the country code setting, but I will note that the factory system apparently sets the country code to "EU":
I can confirm this still exists on latest release 18.06.2. The 5 GHz WiFi even broke on the upgrade from 18.06.1 to 18.06.2, I had to reset it manually to the values specified here https://forum.openwrt.org/t/r8000-5ghz-wifi-issue/236/38 to get it working again. I had somehow gotten it to accept "DE" as region value, but that does not seem to work anymore.
@rmilecki seems weird that this is still an issue, the R8000 is a popular device I think. Do you need any more logs or info to reproduce this?
rfr:
After upgrading my R8000 from Chaos Calmer (15.05.1) to LEDE Reboot (17.01.0-rc2, r3131-42f3c1f), I found that I could no longer get the 5GHz radios to work as before. The 2.4GHz radio is fine.
In CC I was using the following configuration:
The firmware apparently only accepts 00 and US as country codes, which is why I was using 00. This discussed at length in: https://forum.openwrt.org/viewtopic.php?id=55367&p=19 (and previous pages)
In 17.01.0-rc2, I can't get radio0 to come up at all. radio2 can be configured, still on channel 48 and country 00, but in VHT40 mode. If I use VHT80, it stays disabled.
This was discussed previously in this forum post: https://forum.lede-project.org/t/r8000-5ghz-wifi-issue/236 and I get the same error messages and channel selection as the OP, so I will not repeat them here.
I'm not sure if this issue is really related to the country code setting, but I will note that the factory system apparently sets the country code to "EU":
root@x6:
# nvram show | grep country_code#wl1_country_code=EU
wl0_country_code=EU
wl2_country_code=EU
wl_country_code=
root@x6:
I see that LEDE carries a patch on brcmfmac which translates the configured country code to an internal code for the firmware on this specific model (https://git.lede-project.org/?p=source.git;a=blob_plain;f=package/kernel/mac80211/patches/863-brcmfmac-add-in-driver-tables-with-country-codes.patch;hb=refs/heads/lede-17.01). I'm willing to test patches if anyone knows the right internal country code for Europe.
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