Messages in this thread | | | Subject | Re: [PATCH v2] 802.11n IBSS: wlan0 stops receiving packets due to aggregation after sender reboot | From | Koen Vandeputte <> | Date | Tue, 29 Oct 2019 10:47:07 +0100 |
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On 29.10.19 10:03, Johannes Berg wrote: > On Tue, 2019-10-29 at 09:41 +0100, Koen Vandeputte wrote: > >> I can confirm the issue as I'm also seeing this sometimes in the field here. >> >> Sometimes when a devices goes out of range and then re-enters, >> the link refuses to "come up", as in rx looks to be "stuck" without any >> reports in system log or locking issues (lockdep enabled) > Right. I've recently debugged this due to issues in distributed > beaconing (rather than moving in/out of range), but I guess it would be > relatively simple to reproduce this with wmediumd, if that can be > controlled dynamically? > > What kernel are you running? You could check if you have > > 95697f9907bf ("mac80211: accept deauth frames in IBSS mode") > 4b08d1b6a994 ("mac80211: IBSS: send deauth when expiring inactive STAs") > > which might help somewhat, but don't fully cover the case of moving out > of range. > > johannes > I'm running OpenWrt (kernel 4.14.150 with 4.19.79 mac80211) I noticed these fixes last week and made a build 2 days ago with them backported to it. Running in the field on roughly 4 devices since a day.
Koen
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