Messages in this thread | | | Date | Thu, 25 Sep 2003 00:52:45 +0200 (MEST) | From | "Daniel Blueman" <> | Subject | [OOPS] [2.6.0-test5] HTB QoS crash... |
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I bring my ppp0 interface up, setup various traffic shaping and policing filters [1] (Bert Hubert's excellent 'wondershaper').
When I 'killall pppd', the kernel crashes [2].
--- [1]
DOWNLINK=440 UPLINK=210 DEV=ppp0
tc qdisc add dev $DEV root handle 1: htb default 20 tc class add dev $DEV parent 1: classid 1:1 htb rate ${UPLINK}kbit \ burst 6k tc class add dev $DEV parent 1:1 classid 1:10 htb rate ${UPLINK}kbit \ burst 6k prio 1 tc class add dev $DEV parent 1:1 classid 1:20 htb rate $[9*$UPLINK/10]kbit \ burst 6k prio 2 tc class add dev $DEV parent 1:1 classid 1:30 htb rate $[8*$UPLINK/10]kbit \ burst 6k prio 2 tc qdisc add dev $DEV parent 1:10 handle 10: sfq perturb 10 tc qdisc add dev $DEV parent 1:20 handle 20: sfq perturb 10 tc qdisc add dev $DEV parent 1:30 handle 30: sfq perturb 10 tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \ match ip tos 0x10 0xff flowid 1:10 tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \ match ip protocol 1 0xff flowid 1:10 tc filter add dev $DEV parent 1: protocol ip prio 10 u32 \ match ip protocol 6 0xff \ match u8 0x05 0x0f at 0 \ match u16 0x0000 0xffc0 at 2 \ match u8 0x10 0xff at 33 \ flowid 1:10 tc filter add dev $DEV parent 1: protocol ip prio 18 u32 \ match ip dst 0.0.0.0/0 flowid 1:20 tc qdisc add dev $DEV handle ffff: ingress tc filter add dev $DEV parent ffff: protocol ip prio 50 u32 match ip src \ 0.0.0.0/0 police rate ${DOWNLINK}kbit burst 10k drop flowid :1
--- [2]
Oops: 0002 [#1] CPU: 0 EIP: 0060:[<c02d2314>] Not tainted EFLAGS: 00010282 EIP is at htb_unbind_filter+0x49/0x6b eax: 00000000 ebx: dc246078 ecx: da60e004 edx: dc246004 esi: da60e004 edi: df4ffef8 ebp: da5ede0c esp: da5eddf4 ds: 007b es: 007b ss: 0068 Process pppd (pid: 1078, threadinfo=da5ec000 task=da711000) Stack: c1001040 00000000 c141f280 00000000 df4ffeac db3315fc da5ede20 c02da54e dc246004 da60e004 00000000 da5ede3c c02da7e7 df4ffef8 df4ffeac db3315fc db3315a4 df4ffef8 da5ede58 c02da826 df4ffef8 db3315fc dc2463b0 db3315a4 Call Trace: [<c02da54e>] u32_destroy_key+0x6a/0x6c [<c02da7e7>] u32_clear_hnode+0x2e/0x48 [<c02da826>] u32_destroy_hnode+0x25/0x86 [<c02da955>] u32_destroy+0xce/0xec [<c02d148a>] htb_destroy_filters+0x1d/0x29 [<c02d169d>] htb_destroy+0x67/0xd2 [<c02c3fd4>] qdisc_destroy+0x81/0x92 [<c02c4705>] dev_shutdown+0xaa/0x245 [<c0138e4c>] wakeme_after_rcu+0x0/0xc [<c02b7d0c>] unregister_netdevice+0xdb/0x335 [<c02bf84a>] rtnl_lock+0x22/0x37 [<c0233ba7>] unregister_netdev+0x19/0x26 [<c0239e26>] ppp_shutdown_interface+0x21e/0x3ba [<c0182376>] dput+0x23/0x685 [<c0163e34>] __fput+0x7c/0xcd [<c0234011>] ppp_release+0x5f/0x61 [<c0163e73>] __fput+0xbb/0xcd [<c0161f1d>] filp_close+0x57/0x81 [<c016204b>] sys_close+0x104/0x228 [<c010a34b>] syscall_call+0x7/0xb
Code: 83 ae 58 01 00 00 01 8b 5d f8 8b 75 fc 89 ec 5d c3 83 ab 3c <0>Kernel panic: Fatal exception in interrupt In interrupt handler - not syncing
-- Daniel J Blueman
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