kernel panic, __neigh_notify, 4.7.0-rc7, Workqueue: events_power_efficient neigh_periodic_work

2016-07-24 Thread nuclearcat
Different hardware, but same workload. Seems different bug, happened at least twice on this unit (both kernel panic messages here) First crash: [45113.975701] general protection fault: [#1] SMP [45113.976110] Modules linked in: cls_fw act_police cls_u32 sch_ingress sch_sfq sch_htb netcons

kernel panic, qdisc_dequeue_head, htb, 4.7.0-rc7

2016-07-24 Thread nuclearcat
Hi, I'm still struggling to find out reason of random reboots on BRAS servers (PPPoE + HTB egress on ppp and policer for ppp ingress). Here is happening at 4.7.0-rc7, it seems panic is happening at peak time, 1-2 times per day now. I noticed also rise of kernel panic on other locations as well

Re: 4.6.3 panic on nf_ct_delete (nf_conntrack)

2016-07-13 Thread nuclearcat
On 2016-07-13 23:21, Florian Westphal wrote: nuclear...@nuclearcat.com wrote: Workload: pppoe server, 5k users on ppp interfaces. No actual SNAT/DNAT, but using connmark and REDIRECT [176412.990104] general protection fault: [#1] SMP I assume that you did not see this before. What was

4.6.3 panic on nf_ct_delete (nf_conntrack)

2016-07-13 Thread nuclearcat
Workload: pppoe server, 5k users on ppp interfaces. No actual SNAT/DNAT, but using connmark and REDIRECT [176412.990104] general protection fault: [#1] SMP [176412.990424] Modules linked in: sch_pie cls_fw act_police cls_u32 sch_ingress sch_sfq sch_htb netconsole [176412.991427] configfs

Re: 4.6.3, pppoe + shaper workload, skb_panic / skb_push / ppp_start_xmit

2016-07-12 Thread nuclearcat
On 2016-07-12 21:05, Cong Wang wrote: On Tue, Jul 12, 2016 at 11:03 AM, wrote: On 2016-07-12 20:31, Cong Wang wrote: On Mon, Jul 11, 2016 at 12:45 PM, wrote: Hi On latest kernel i noticed kernel panic happening 1-2 times per day. It is also happening on older kernel (at least 4.5.3).

Re: 4.6.3, pppoe + shaper workload, skb_panic / skb_push / ppp_start_xmit

2016-07-12 Thread nuclearcat
On 2016-07-12 20:31, Cong Wang wrote: On Mon, Jul 11, 2016 at 12:45 PM, wrote: Hi On latest kernel i noticed kernel panic happening 1-2 times per day. It is also happening on older kernel (at least 4.5.3). ... [42916.426463] Call Trace: [42916.426658] [42916.426719] [] skb_push+0x

4.6.3, pppoe + shaper workload, skb_panic / skb_push / ppp_start_xmit

2016-07-11 Thread nuclearcat
Hi On latest kernel i noticed kernel panic happening 1-2 times per day. It is also happening on older kernel (at least 4.5.3). Panic message received over netconsole: [42916.416307] skbuff: skb_under_panic: text:a00e8ce5 len:581 put:2 head:8800b0bf2800 data:ffa00500b0bf284c tail:

Re: 4.6.3 kernel panic on ppp interface termination (__tcf_hash_release / spinlock )

2016-07-06 Thread nuclearcat
On 2016-07-05 01:02, Cong Wang wrote: On Mon, Jul 4, 2016 at 12:07 PM, wrote: A little bit more details: ~ # tc -s -d filter show dev ppp0 parent : filter protocol ip pref 100 u32 filter protocol ip pref 100 u32 fh 800: ht divisor 1 filter protocol ip pref 100 u32 fh 800::1 order 1 key h

Re: 4.6.3 kernel panic on ppp interface termination (__tcf_hash_release / spinlock )

2016-07-04 Thread nuclearcat
A little bit more details: ~ # tc -s -d filter show dev ppp0 parent : filter protocol ip pref 100 u32 filter protocol ip pref 100 u32 fh 800: ht divisor 1 filter protocol ip pref 100 u32 fh 800::1 order 1 key ht 800 bkt 0 flowid :1 (rule hit 156 success 156) match / at 1

4.6.3 kernel panic on ppp interface termination (__tcf_hash_release / spinlock )

2016-07-04 Thread nuclearcat
Hi! On vanilla 4.6.0 and 4.6.3 i am getting reproducible kernel panic when i terminate user in accel-pppd. Here is kernel panic message received over netconsole: [ 465.469514] BUG: unable to handle kernel Jul 4 20:33:36 NULL pointer dereference at 000c [ 465.469671] IP: [