Hi.
I noticed my tc behaves odd.
tc qdisc
qdisc noqueue 0: dev lo root refcnt 3069337240
qdisc mq 0: dev eth1 root
qdisc fq_codel 0: dev eth1 parent :8 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :7 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :6 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :5 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :4 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :3 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :2 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth1 parent :1 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc mq 0: dev eth0 root
qdisc fq_codel 0: dev eth0 parent :8 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :7 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :6 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :5 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :4 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :3 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :2 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev eth0 parent :1 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc noqueue 0: dev br-isolated root refcnt 3069337240
qdisc noqueue 0: dev eth0.20 root refcnt 3069337240
qdisc noqueue 0: dev br-lan root refcnt 3069337240
qdisc noqueue 0: dev eth0.10 root refcnt 3069337240
qdisc cake 8007: dev eth1.100 root refcnt 3069337240 bandwidth 15Mbit diffserv3 dual-srchost nat ack-filter-aggressive rtt 50.0ms noatm overhead 18 total_overhead 18 hard_header_len 0 mpu 64
qdisc ingress ffff: dev eth1.100 parent ffff:fff1 ----------------
qdisc mq 0: dev wlan1 root
qdisc fq_codel 0: dev wlan1 parent :4 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev wlan1 parent :3 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev wlan1 parent :2 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev wlan1 parent :1 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc mq 0: dev wlan1-1 root
qdisc fq_codel 0: dev wlan1-1 parent :4 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev wlan1-1 parent :3 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev wlan1-1 parent :2 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc fq_codel 0: dev wlan1-1 parent :1 limit 3069337240p flows 3069337240 quantum 3069337240 target 5.0ms interval 100.0ms memory_limit 8Mb ecn
qdisc cake 8008: dev ifb4eth1.100 root refcnt 3069337240 bandwidth 150Mbit besteffort dual-dsthost nat wash ingress rtt 50.0ms noatm overhead 18 total_overhead 18 hard_header_len 0 mpu 64
i think fq_codel defaults for limit and flows are 1024.
also the refcnt is bugged.
The numbers change everytime i invoke the tc qdisc command.
This is with latest trunk.
Is this a kernel bug?