Hello,
Seeing that I'm not alone having issues with HTB on newer kernels is
quite relieving. I discovered my problem yesterday, and my only solution
so far was to downgrade the kernel to an acceptable version floor.
Working with kernel 3.10.25 did the trick. I'm sorry, as I cannot help
any further, and my knowledge is really limited on this.
Good luck !
Hoggins!
Le 06/01/2014 22:06, Radosław Horodniczy a écrit :
> Hello,
>
> I have (from years on few servers) HTB+IMQ traffic shaping.
>
> Last week i've upgraded my linux server to new release (opensuse 10.3
> to 13.1)
>
> Kernel 2.6.22.12 to Kernel 3.11.6.4
> iptables 1.3.8 to iptables 1.4.19
>
> After upgrade in general everythings works, but shaping is not accurate
>
> Main link is 80Mb/s so limit on HTB script is 80mibit, on old kernel
> it reaches
> over 10240 kbytes and it was fine.
>
> Now on new kernel it reach about 7800kbytes in maximum and cannot go
> higher.
> (workaround for me is set main limit in HTB scripts to 130mibit and it
> can reach output about 10240kbytes)
>
> What I saw first:
>
> tc -s class show dev imq0
> [.....]
> class htb 1:13 parent 1:1 prio 1 rate 200000bit ceil 200000bit burst
> 1492b cburst 1492b
> Sent 5746052 bytes 25213 pkt (dropped 0, overlimits 0 requeues 0)
> rate 0bit 0pps backlog 0b 0p requeues 0
> lended: 25213 borrowed: 0 giants: 0
> tokens: 832500 ctokens: 832500
> [...]
>
> rate shows 0bit,
> so as I found in maillist archive I set
>
> echo 1 > /sys/module/sch_htb/parameters/htb_rate_est
>
> and restart scripts. Now rate shows values, but shapeing is
> still not accurate.
>
> Part of script:
>
> tc qdisc add dev imq0 root handle 1:0 htb default 10
> tc qdisc add dev imq1 root handle 2:0 htb default 10
>
> # Main queue
> tc class add dev imq0 parent 1:0 classid 1:1 htb rate 500mibit ceil
> 500mibit
> tc class add dev imq1 parent 2:0 classid 2:1 htb rate 500mibit ceil
> 500mibit
>
> # Internet link
> tc class add dev imq0 parent 1:1 classid 1:2 htb rate 80mibit ceil
> 80mibit
> tc class add dev imq1 parent 2:1 classid 2:2 htb rate 80mibit ceil
> 80mibit
>
> # default class
> tc class add dev imq0 parent 1:1 classid 1:10 htb rate 10kibit ceil
> 128kibit
> tc qdisc add dev imq0 parent 1:10 handle 10:0 sfq perturb 10
> tc class add dev imq1 parent 2:1 classid 2:10 htb rate 10kibit ceil
> 128kibit
> tc qdisc add dev imq1 parent 2:10 handle 10:0 sfq perturb 10
>
>
> # Per IP rules
>
> tc class add dev imq0 parent 1:2 classid 1:1912 htb rate 10kibit ceil
> 2048kibit prio 2
> tc filter add dev imq0 protocol ip parent 1:0 prio 100 u32 match ip
> dst 10.10.19.12 flowid 1:1912
> tc qdisc add dev imq0 parent 1:1912 handle 1912:0 sfq perturb 10
>
> tc class add dev imq1 parent 2:2 classid 2:1912 htb rate 10kibit ceil
> 1024kibit prio 2
> tc filter add dev imq1 protocol ip parent 2:0 prio 100 u32 match ip
> src 10.10.19.12 flowid 2:1912
> tc qdisc add dev imq1 parent 2:1912 handle 1912:0 sfq perturb 10
>
>
> Pealse help ....
>
> Regards
>
> Radek
>
>
>
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