Your noise floor readout in survey dump is terribly bad for 5GHz. It ain't stellar for 2.4GHz either but within reason nonetheless. Did you try using the card in a different device? I wonder if the device you're trying to use it in has some sort of internal noise on those frequencies and/or ath9k's ANI isn't able to deal with it. Michał On 15 June 2018 at 15:31, <mgreger@xxxxxxxxxxxx> wrote: > > ---- Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx> wrote: >> 2018-06-14 6:15 GMT+02:00 <mgreger@xxxxxxxxxxxx>: >> > >> > ---- mgreger@xxxxxxxxxxxx wrote: >> >> >> >> ---- mgreger@xxxxxxxxxxxx wrote: >> >> > >> >> > ---- mgreger@xxxxxxxxxxxx wrote: >> >> > > >> >> > > ---- Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >> >> > > > On Tue, May 22, 2018 at 7:21 PM, <mgreger@xxxxxxxxxxxx> wrote: >> >> > > > > I've run out of ideas and am hoping someone here can help. >> >> > > > > >> >> > > > > All I want to do is connect a client to my 5Ghz network. >> >> > > > > >> >> > > > > My client: >> >> > > > > OS is Debian stable "Stretch" with sysvinit instead of systemd >> >> > > > > Atheros AR9462 (World roaming 0x64 regdomain in EEPROM) >> >> > > > > "iw reg set US" >> >> > > > > "iw list" shows both 2.4Ghz and 5Ghz bands available. >> >> > > > > "iw wlp3s0 survey dump" shows received traffic on 5Ghz bands. >> >> > > > > >> >> > > > > There are oodles of 5Ghz AP's within range, but scans (including passive scans) reveal only 2.4Ghz networks. My only guess was that it won't transmit due to regulatory requirements, but I cannot make it work. >> >> > > > > >> >> > > > > What I've tried: >> >> > > > > Running with and without CRDA >> >> > > > > Running latest mainline kernel >> >> > > > > Hacking around on the ath9k driver and nl80211 to remove all regulatory enforcement. >> >> > > > > >> >> > > > > Nothing works and I'm pulling my hair out. Any help would be greatly appreciated. >> >> > > > >> >> > > > Hi, >> >> > > > >> >> > > > I try to give some initial help. >> >> > > > >> >> > > > The linux-wireless driver is supported by ath9k driver see [1] and [2]. >> >> > > > >> >> > > > Unfortunately, you have not sent any log-files at least your dmesg-log. >> >> > > > No output of the above userspace commands or userspace-tools versions. >> >> > > > No information to VendorID/ProductID (PCI, USB, whatever). >> >> > > > It's not clear to me if this is a kernelspace (ath9k-driver) or >> >> > > > userspace (CRDA/regulatory) problem. >> >> > > > How should someone help you effectively? >> >> > > > >> >> > > > The linux-wireless wiki has somne informations on how to debug >> >> > > > Atheros/Qualcomm ath9k-driver, see [3]. >> >> > > > >> >> > > > As a debianist I say try Linux v4.16 Debian packages from >> >> > > > stretch-backports (and maybe a higher version of wireless-regdb). >> >> > > > >> >> > > > Try to ask questions the smart way [4] :-). >> >> > > > >> >> > > > Hope this helps. >> >> > > > >> >> > > > Regards, >> >> > > > - Sedat - >> >> > > > >> >> > > > [1] https://wireless.wiki.kernel.org/en/users/drivers/ath9k >> >> > > > [2] https://wireless.wiki.kernel.org/en/users/drivers/ath9k/devices >> >> > > > [3] https://wireless.wiki.kernel.org/en/users/drivers/ath9k/debug >> >> > > > [4] http://www.catb.org/esr/faqs/smart-questions.html >> >> > > >> >> > > >> >> > > I have also built the latest wireless-regdb and crda, but it made no difference. >> >> > >> >> > >> >> > >> >> > Did any of the information I posted point towards a cause? >> >> >> >> >> >> Also, I'll gladly send one of these adapters to someone with ath9k experience if they suspect they can make it work. >> >> Just message me. :) >> > >> > >> > I'm surprised at the apparent lack of interest in this by anybody whatsoever. >> > >> > Are there any other M.2 cards (both A and E keyed) on the market that support dual band with a fully open driver and requiring no proprietary firmware? >> > >> > Maybe it was too good to be true and there is no such thing? >> > >> > >> >> Seems, pcie version works fine: >> root@test4:~# lspci |grep Atheros >> 01:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network >> Adapter (rev 01) >> root@test4:~# iw wlp1s0 scan|grep "freq: 5" >> freq: 5180 >> freq: 5180 >> freq: 5180 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5620 >> freq: 5745 >> freq: 5785 >> freq: 5785 >> freq: 5745 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5200 >> freq: 5200 >> freq: 5220 >> freq: 5220 >> freq: 5785 >> freq: 5180 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5540 >> freq: 5540 >> freq: 5540 >> freq: 5540 >> freq: 5540 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5200 >> freq: 5200 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5220 >> freq: 5240 >> freq: 5540 >> freq: 5540 >> freq: 5540 >> freq: 5660 >> freq: 5745 >> freq: 5745 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5785 >> freq: 5200 >> freq: 5220 >> freq: 5785 >> freq: 5785 >> root@test4:~# uname -a >> Linux test4 4.17.0-rc7+ #5 SMP Mon May 28 12:35:22 CEST 2018 x86_64 GNU/Linux >> >> Added: >> ATH_USER_REGD - openwrt patch (4 returns in ath/regd.c) >> >> I have this card (pcie version) in 10 laptops (in some 2,3 of them) - >> working perfectly :) >> >> BR >> Janusz > > > I have working PCI-E cards with this chipset as well, but M.2 cards with the same chipset (AR9462) do NOT work. > > Many laptops only have M.2 slots, making the PCI-E solution impossible. Specifically I have laptops from ThinkPenguin which only have an A-keyed M.2 slot. It seems most M.2 cards available are E-keyed, making it difficult to find a compatible card that supports 5Ghz at all. I was excited to find these cards, only to be disappointed when they didn't work. > >
