Source: linux Source-Version: 4.18~rc3-1~exp1 On Thu, May 19, 2016 at 09:12:46PM +0200, Mirek Kratochvil wrote: > Package: src:linux > Version: 4.5.1-1 > Severity: normal > Tags: upstream > > Dear Maintainer, > > When attaching a codel or fq_codel qdisc to a leaf hfsc class, sometimes a > bunch of warnings (dmesg attached) show up. That would not be a problem, but > the warnings seem to be triggered for each packet for some time, and as a side > situation the processing renders the system more or less unresponsive for > several seconds (which may be a problem for QoS machine). > > A bug that is probably related (but concerning hfsc+sfq) is #631945 , my > configuration is mostly the same, except with codel instead of SFQ. No similar > fix exists for codel. > > When trying to rule out the causes, I found that the amount of traffic doesn't > matter (the machine is currently processing around 1Gbit/s). fq_codel shows > the > same behavior, no other qdisc I tested causes the warnings. > > I hope someone could point out what's wrong with codel, if I see the cause I > can write/send a patch to upstream.
This issue appears to have been fixed in 4.18-rc3 upstream. Closing accordingly. Regards, Salvatore