Thanks. These bugs are up for anyone to tackle. I'm already overloaded.
On Fri, Sep 06, 2019 at 06:46:52AM -0300, fogkt...@airmail.cc wrote:
> Hi! Wanted to report some bugs with athn firmware. I know there has been
> some updates
> recently (thanks mostly to stsp@ and kevlo@), so I'm not sure what I'm
> reporting is already known or not. I'm using OpenBSD 6.5, not -current (let
> me know if full dmesg is needed - the hardware is a AMD Ryzen 5). The
> adapter
> is a TP-Link TL-WN722N (firmware instaled using fw_update):
>
> athn0 at uhub1 port 4 configuration 1 interface 0 "ATHEROS USB2.0 WLAN" rev
> 2.00/1.08 addr 4
> athn0: AR9271 rev 1 (1T1R), ROM rev 13
>
> While using client mode (not HostAP), this bug happens some times:
>
> usbd_free_xfer: xfer=0xfffffd81e0bd53d0 not free
> usbd_free_xfer: xfer=0xfffffd81831163c0 not free
> usbd_free_xfer: xfer=0xfffffd81e0c2de18 not free
>
> I'm unable to reconnect the device, it's just not recognized anymore until
> next boot.
> I'm sure this is not a hardware issue, as it works on other systems.
> There was a hypothesis that USB is not sending enough power on 2.0 ports
> [1].
> So I connected to a standalone 3.0 port, and the same still happens.
> kevlo@ reported his device (same as the one I'm using) is working just fine
> in older releases [2].
>
> The second bug is with 11n HT-MCS. It doesn't work at all. The only mode
> that
> works is 11g OFDM58. But the speed is not great. I know I'm not doing a
> proper benchmark
> with iperf3, but the difference is very significant between ath9k-open on
> debian and openbsd.
> The maximum speed I could get on OpenBSD was 1.5MB/s, while on Debian it
> gets up to ~6.0MB/s.
> I don't expect the same speed and I'm not complaining, just wanted to point
> out that this
> might be because HT-MCS is not working (at least for me).
>
> Will the new release solve some of these issues? Thanks for all the work
> this year!
> Looking foward for the next release (bin patches seems great).
>
>
> [1] https://marc.info/?l=openbsd-bugs&m=153268350614634&w=2
> [2] https://marc.info/?l=openbsd-tech&m=151090602510672&w=2
>
