On 28 February 2017 at 05:40, Martin Tippmann <m...@i3o.de> wrote:
> On Mon, Feb 27, 2017 at 9:17 PM, Stijn Segers
> <francesco.borrom...@inventati.org> wrote:
>> Okay, so I tracked it down to cake being the culprit. When I disable the
>> Cake SQM instance, no more of those traces, and no more sudden reboots.
>>
>> If I can help debug this, let me know - I enabled a Cake SQM instance on an
>> APU2 and so far that seems to run fine.
>
> cake: Maybe it's related - I'm seeing high cpu usage with cake on
> TP-Link 841N routers even with none, moderate traffic after a while. I
> don't see hanging tasks in the logs but the system feels sluggish even
> it's idle.
I have a WR842ND v2, I'm also seeing high CPU suddenly with only
default fq-codel on 4.4.50.
Are you able to git bisect? This particular device is installed in a
remote location so I can't deal with it for a while.
>pppoe-wan │ 494.90KiB 351 pps │ 12.13KiB 192 pps
Mem: 19620K used, 8308K free, 4K shrd, 864K buff, 1472K cached
CPU: 1% usr 93% sys 0% nic 0% idle 0% io 0% irq 4% sirq
Load average: 6.89 4.88 2.96 5/58 9906
PID PPID USER STAT VSZ %VSZ %CPU COMMAND
1555 1 root R 1948 7% 16% /usr/sbin/hostapd -s -P /var/run/wifi
97 2 root SW 0 0% 12% [kworker/0:1]
440 1 root S 1180 4% 7% /sbin/ubusd
9165 8584 root R 1196 4% 5% top -d3
840 1 root S 1396 5% 5% /usr/sbin/odhcpd
9886 9883 root R 1224 4% 4% /bin/sh /etc/netCheck.sh
3 2 root SW 0 0% 4% [ksoftirqd/0]
104 2 root SW 0 0% 2% [kswapd0]
On the other hand, here is my WDR4300
>pppoe-wan │ 420.29KiB 1.69K pps │ 78.09KiB
1.10K pps
Mem: 21212K used, 6716K free, 12K shrd, 792K buff, 1584K cached
CPU: 6% usr 88% sys 0% nic 0% idle 0% io 0% irq 5% sirq
Load average: 3.38 2.13 1.16 1/56 9259
PID PPID USER STAT VSZ %VSZ %CPU COMMAND
97 2 root RW 0 0% 18% [kworker/0:1]
1555 1 root S 1948 7% 12% /usr/sbin/hostapd -s -P /var/run/wifi
2714 2713 root R 2484 9% 4% /usr/sbin/bmon -p ppp*
9240 9239 root S 1184 4% 4% /bin/ping -W 3 -c 6 -q -I pppoe-wan g
840 1 root S 1396 5% 4% /usr/sbin/odhcpd
3 2 root SW 0 0% 4% [ksoftirqd/0]
9241 9239 root S 1204 4% 3% awk /packets received {print $4}
9165 8584 root R 1188 4% 3% top -d3
2389 1 dnsmasq S 1412 5% 2% /usr/sbin/dnsmasq -C /var/etc/dnsmasq
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