On 4 April 2016 at 13:26, Matthew Keeler <[email protected]> wrote: > > I have been running two QCA9880 based cards for a couple of months now. > Recently I needed to update some packages on the router and reboot and ever > since I have not been able to get both working again. I have tried > downgrading the packages (although none were related to the kernel/driver or > the firmware to no avail.
Can you list what packages were updated, please? > Cards: Airetos AEX-QCA988-NX > System: Arch Linux with kernel 4.4.5 > Firmwares tried: Everything from 10.2.4.70.9-2 through 10.2.4.70.31-2 > > The symptoms are that upon boot most of the time one of the two cards doesn’t > think it can/should transmit on any 5GHz frequency (I haven’t seen the issue > with 2.4GHz frequency band). With dmesg I can see two sets of logs about the > EEPROM regdomain being 0x0 and it eventually setting my regulatory domain to > 0x3a US. iw reg get also confirms that both cards have the right US > regulatory domain. One thing which does sometimes clear it up is to "rmmod > ath10k_pci ath10k_core && modprobe ath10k_pci”. It doesn’t work every time > though. Smells like regulatory problem, not ath10k per se. > So 1) Should 2 ath10k cards coexist properly and 2) Has anyone seen similar > behavior and know how to fix it. This should work fine. Can you post kernel logs when it works/breaks? Do you have CRDA installed/up-to-date? Can you try checking output of `iw reg get` when it works/breaks? Michał _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
