Sebastian Gottschall <s.gottschall@xxxxxxxxxx> writes: > Am 31.01.2018 um 12:50 schrieb Toke Høiland-Jørgensen: >> Sebastian Gottschall <s.gottschall@xxxxxxxxxx> writes: >> >>> Am 30.01.2018 um 19:55 schrieb Toke Høiland-Jørgensen: >>>> Ben Greear <greearb@xxxxxxxxxxxxxxx> writes: >>>> >>>>>> I'm actually working on reworking that whole scheduler logic, and move >>>>>> some of it into mac80211. Could you test this (WiP) patch and see if >>>>>> that has the same problem? >>>>> It had some serious conflicts in ath10k, due to my local changes, so >>>>> I did not actually test this. >>>> Can send you a version without the ath10k changes tomorrow if you'd like >>>> to test - but will try to reproduce myself as well... >>>> >>>>> But, a revert of the atf patches (a6e56d749 and 63fefa050) appear to >>>>> have resolved the issue. I'll test more with these reverted, and maybe >>>>> will have time to work more on actually fixing upstream code next time >>>>> I move to a newer kernel (and/or after your pending changes get in). >>>> Ah, that narrows it down some. Well, that is the code I'm hacking on >>>> currently anyway, so let's see if we can't get it fixed as part of that >>>> series :) >>> i have some addition information for you maybe. in the same timeframe i >>> noticed a increased memory usage for ath9k devices. >>> maybe that helps. so i hit memory boundaries on embedded devices with >>> dual interfaces and just 32 mb ram now which wasnt the case before >>> is this patch worth to try from my side? >> This is probably because of the added queue space. Which is sort of by >> design. In 3ff23cd5654b9c8f4d567caa73439b4c39fbeaae we lowered the >> default limit for non-VHT devices to 4MB. But if you have several PHYs >> on a very memory constrained device you could still run out I guess. >> >> `echo fq_memory_limit 2097152 > /sys/kernel/debug/ieee80211/phy0/aqm` >> would limit it to 2MB for that phy... > what if i tried that already? :-) Hmm, then it's maybe a bug? Changing the limit makes no difference at all? Does your build include 0bfe649fbb133? What are values of the counters in /sys/kernel/debug/ieee80211/phy0/aqm ? -Toke
