chiluk | hey folks 6ghz wifi seems to be broken on the linux-oem-2b kernel this is appears to be related to https://wireless.wiki.kernel.org/en/developers/Regulatory | 00:08 |
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chiluk | I have an Intel AX211 that works fine with 6ghz on the 5.15 kernel but breaks with the 6.0 -oemb kernel | 00:09 |
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chiluk | this seems to like crda and some other tools need to be packaged up and put in backports. | 00:10 |
chiluk | hmm I just found https://bugs.launchpad.net/ubuntu/jammy/+source/crda/+bug/1958918 ... looks like vorlon is already looking into it? | 00:12 |
-ubottu:#ubuntu-kernel- Launchpad bug 1958918 in crda (Ubuntu Jammy) "dependency on crda obsolete according to Debian" [High, New] | 00:12 | |
chiluk | apw sounds like you did the kernel side of the work . Do you have any thoughts here? | 00:19 |
apw | chiluk, that fix ws about us installing crda to load regulatory database, when the kernel now loads it directly | 00:21 |
chiluk | right... it's clearly loading something wrong. | 00:21 |
chiluk | at least with the 6.0 kernel | 00:22 |
chiluk | apw I know it's late for you. | 00:22 |
chiluk | so we removed crda for Jammy | 00:22 |
chiluk | and the kernel is supposed to be loading regulatory information directly through what mechanism? | 00:23 |
chiluk | because that mechanism seems broken on 6.0 | 00:23 |
chiluk | ``iw reg get`` shows all the 6ghz channels as disabled. | 00:23 |
chiluk | actually now that I'm booted back into 6.0.0-1007-oem it's ```sudo iw phy0 channels``` that shows all the 6ghz channels disabled. | 00:29 |
chiluk | iw reg get doesn't even list them | 00:29 |
chiluk | cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' I assume sforshee compiled the regdb | 00:32 |
sarnold | and I'm *really* hoping we still have a way to do whatever needs doing now that he's found greener pastures | 00:34 |
chiluk | lol. I was unaware that he has left you. At least his visage is still in channel. | 00:47 |
sarnold | I wonder if that's a forgotten VM somewhere :) | 00:50 |
chiluk | sssh... don't scare it away. | 00:50 |
chiluk | problem exists in 5.19 sitting in jammy-proposed as well. | 00:51 |
chiluk | I'll open a ticket once I have things more narrowed down. I just wiish there was more output from the kernel about this. | 00:52 |
chiluk | https://paste.ubuntu.com/p/TpBkyrnfvT/ | 00:52 |
chiluk | For reference this is what I'm seeing on 5.19 and 6.0 | 00:52 |
andjjj23 | is there by chance an issue tracking the problem with mainline builds? | 01:30 |
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chiluk | andjjj23: I checked bugzilla.kernel.org and didn't find anything. | 04:09 |
chiluk | I did more digging and narrowed the fix to dropping early in v5.16 | 04:09 |
chiluk | then I found https://community.frame.work/t/kernel-5-16-6ghz-disabled-ax210/15675 which points at 698b166ed3464e1604a0e6a3e23cc1b529a5adc1 | 04:10 |
chiluk | which corroborates my findings even though I haven't personally verified. | 04:10 |
chiluk | issue still exists with linux-stable kernels all the way up to 6.0.9, so I'll work the problem with upstream first. | 04:50 |
chiluk | Opened https://bugzilla.kernel.org/show_bug.cgi?id=216753 | 05:09 |
-ubottu:#ubuntu-kernel- bugzilla.kernel.org bug 216753 in Networking "6e 6 ghz bands are disabled since 5.16 on intel ax211" [Normal, New] | 05:09 | |
andjjj23 | chiluk: oh, we may be talking about different issues :) the one i'm referring to is the lack of a 6.1rc7 build on https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=M;O=D | 05:22 |
andjjj23 | but actually, a daily build has now showed up, so maybe the newer 6.1rcX isn't far behind | 05:23 |
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SvenKieske | juergh: thanks for updating the bug report (lp #1914774), much appreciated! | 13:26 |
-ubottu:#ubuntu-kernel- Launchpad bug 1914774 in linux-ibm-5.4 (Ubuntu Bionic) "Some derivative kernel tools packages don't depend on linux-tools-common" [Undecided, Confirmed] https://launchpad.net/bugs/1914774 | 13:26 | |
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