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Date:	Sun, 10 Feb 2008 23:29:13 +0200
From:	"Denys Fedoryshchenko" <denys@...p.net.lb>
To:	netdev@...r.kernel.org
Subject: HTB(?) softlockup, vanilla 2.6.24

It is very difficult to reproduce, happened after running about 1month. No 
changes done in classes at that time

Feb 10 15:53:22 SHAPER [ 8271.778915] BUG: NMI Watchdog detected LOCKUP
Feb 10 15:53:22 SHAPER on CPU1, eip c01f0e5d, registers:
Feb 10 15:53:22 SHAPER [ 8271.778952] Modules linked in:
Feb 10 15:53:22 SHAPER netconsole
Feb 10 15:53:22 SHAPER configfs
Feb 10 15:53:22 SHAPER softdog
Feb 10 15:53:22 SHAPER nf_nat_pptp
Feb 10 15:53:22 SHAPER nf_conntrack_pptp
Feb 10 15:53:22 SHAPER nf_conntrack_proto_gre
Feb 10 15:53:22 SHAPER nf_nat_proto_gre
Feb 10 15:53:22 SHAPER xt_tcpudp
Feb 10 15:53:22 SHAPER ipt_TTL
Feb 10 15:53:22 SHAPER ipt_ttl
Feb 10 15:53:22 SHAPER xt_NOTRACK
Feb 10 15:53:22 SHAPER iptable_raw
Feb 10 15:53:22 SHAPER iptable_mangle
Feb 10 15:53:22 SHAPER ifb
Feb 10 15:53:22 SHAPER e1000e
Feb 10 15:53:22 SHAPER em_nbyte
Feb 10 15:53:22 SHAPER cls_tcindex
Feb 10 15:53:22 SHAPER act_gact
Feb 10 15:53:22 SHAPER cls_rsvp
Feb 10 15:53:22 SHAPER sch_htb
Feb 10 15:53:22 SHAPER cls_fw
Feb 10 15:53:22 SHAPER act_mirred
Feb 10 15:53:22 SHAPER em_u32
Feb 10 15:53:22 SHAPER sch_red
Feb 10 15:53:22 SHAPER sch_sfq
Feb 10 15:53:22 SHAPER sch_tbf
Feb 10 15:53:22 SHAPER sch_teql
Feb 10 15:53:22 SHAPER cls_basic
Feb 10 15:53:22 SHAPER act_police
Feb 10 15:53:22 SHAPER sch_gred
Feb 10 15:53:22 SHAPER act_pedit
Feb 10 15:53:22 SHAPER sch_hfsc
Feb 10 15:53:22 SHAPER cls_rsvp6
Feb 10 15:53:22 SHAPER sch_ingress
Feb 10 15:53:22 SHAPER em_meta
Feb 10 15:53:22 SHAPER em_text
Feb 10 15:53:22 SHAPER act_ipt
Feb 10 15:53:22 SHAPER sch_dsmark
Feb 10 15:53:22 SHAPER sch_prio
Feb 10 15:53:22 SHAPER sch_netem
Feb 10 15:53:22 SHAPER act_simple
Feb 10 15:53:22 SHAPER cls_u32
Feb 10 15:53:22 SHAPER em_cmp
Feb 10 15:53:22 SHAPER sch_cbq
Feb 10 15:53:22 SHAPER cls_route
Feb 10 15:53:22 SHAPER xt_TCPMSS
Feb 10 15:53:22 SHAPER iptable_nat
Feb 10 15:53:22 SHAPER nf_conntrack_ipv4
Feb 10 15:53:22 SHAPER ipt_LOG
Feb 10 15:53:22 SHAPER ipt_MASQUERADE
Feb 10 15:53:22 SHAPER ipt_REDIRECT
Feb 10 15:53:22 SHAPER nf_nat
Feb 10 15:53:22 SHAPER nf_conntrack
Feb 10 15:53:22 SHAPER nfnetlink
Feb 10 15:53:22 SHAPER iptable_filter
Feb 10 15:53:22 SHAPER ip_tables
Feb 10 15:53:22 SHAPER x_tables
Feb 10 15:53:22 SHAPER 8021q
Feb 10 15:53:22 SHAPER tun
Feb 10 15:53:22 SHAPER tulip
Feb 10 15:53:22 SHAPER r8169
Feb 10 15:53:22 SHAPER sky2
Feb 10 15:53:22 SHAPER via_velocity
Feb 10 15:53:22 SHAPER via_rhine
Feb 10 15:53:22 SHAPER sis900
Feb 10 15:53:22 SHAPER ne2k_pci
Feb 10 15:53:22 SHAPER 8390
Feb 10 15:53:22 SHAPER skge
Feb 10 15:53:22 SHAPER tg3
Feb 10 15:53:22 SHAPER 8139too
Feb 10 15:53:22 SHAPER e1000
Feb 10 15:53:22 SHAPER e100
Feb 10 15:53:22 SHAPER usb_storage
Feb 10 15:53:22 SHAPER mtdblock
Feb 10 15:53:22 SHAPER mtd_blkdevs
Feb 10 15:53:22 SHAPER usbhid
Feb 10 15:53:22 SHAPER uhci_hcd
Feb 10 15:53:22 SHAPER ehci_hcd
Feb 10 15:53:22 SHAPER ohci_hcd
Feb 10 15:53:22 SHAPER usbcore
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779291]
Feb 10 15:53:22 SHAPER [ 8271.779307] Pid: 0, comm: swapper Not tainted 
(2.6.24-build-0021 #26)
Feb 10 15:53:22 SHAPER [ 8271.779327] EIP: 0060:[<c01f0e5d>] EFLAGS: 00000082 
CPU: 1
Feb 10 15:53:22 SHAPER [ 8271.779349] EIP is at __rb_rotate_right+0x5/0x50
Feb 10 15:53:22 SHAPER [ 8271.779366] EAX: f76494a4 EBX: f76494a4 ECX: 
f76494a4 EDX: c1ff5f80
Feb 10 15:53:22 SHAPER [ 8271.779386] ESI: f76494a4 EDI: c1ff5f80 EBP: 
00000000 ESP: f7c29c70
Feb 10 15:53:22 SHAPER [ 8271.779406]  DS: 007b ES: 007b FS: 00d8 GS: 0000 
SS: 0068
Feb 10 15:53:22 SHAPER [ 8271.779425] Process swapper (pid: 0, ti=f7c28000 
task=f7c20a60 task.ti=f7c28000)
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779446] Stack:
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER c01f0ef4
Feb 10 15:53:22 SHAPER c1ff5f80
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a8
Feb 10 15:53:22 SHAPER c1ff5f78
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779493]
Feb 10 15:53:22 SHAPER [ 8271.779307] Pid: 0, comm: swapper Not tainted 
(2.6.24-build-0021 #26)
Feb 10 15:53:22 SHAPER [ 8271.779327] EIP: 0060:[<c01f0e5d>] EFLAGS: 00000082 
CPU: 1
Feb 10 15:53:22 SHAPER [ 8271.779349] EIP is at __rb_rotate_right+0x5/0x50
Feb 10 15:53:22 SHAPER [ 8271.779366] EAX: f76494a4 EBX: f76494a4 ECX: 
f76494a4 EDX: c1ff5f80
Feb 10 15:53:22 SHAPER [ 8271.779386] ESI: f76494a4 EDI: c1ff5f80 EBP: 
00000000 ESP: f7c29c70
Feb 10 15:53:22 SHAPER [ 8271.779406]  DS: 007b ES: 007b FS: 00d8 GS: 0000 
SS: 0068
Feb 10 15:53:22 SHAPER [ 8271.779425] Process swapper (pid: 0, ti=f7c28000 
task=f7c20a60 task.ti=f7c28000)
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779446] Stack:
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER c01f0ef4
Feb 10 15:53:22 SHAPER c1ff5f80
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a8
Feb 10 15:53:22 SHAPER c1ff5f78
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779493]
Feb 10 15:53:22 SHAPER 00000000
Feb 10 15:53:22 SHAPER c0134741
Feb 10 15:53:22 SHAPER 00000001
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER f76494a4
Feb 10 15:53:22 SHAPER d2607800
Feb 10 15:53:22 SHAPER 00000778
Feb 10 15:53:22 SHAPER c1ff5f78
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779541]
Feb 10 15:53:22 SHAPER c0134d64
Feb 10 15:53:22 SHAPER 00fac3e0
Feb 10 15:53:22 SHAPER c1ff5f78
Feb 10 15:53:22 SHAPER 00000000
Feb 10 15:53:22 SHAPER 00000286
Feb 10 15:53:22 SHAPER f7649000
Feb 10 15:53:22 SHAPER f75f6800
Feb 10 15:53:22 SHAPER 00000000
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER [ 8271.779589] Call Trace:
Feb 10 15:53:22 SHAPER [ 8271.779620]  [<c01f0ef4>]
Feb 10 15:53:22 SHAPER rb_insert_color+0x4c/0xad
Feb 10 15:53:22 SHAPER [ 8271.779641]  [<c0134741>]
Feb 10 15:53:22 SHAPER enqueue_hrtimer+0xd7/0xe2
Feb 10 15:53:22 SHAPER [ 8271.779661]  [<c0134d64>]
Feb 10 15:53:22 SHAPER hrtimer_start+0xda/0xf4
Feb 10 15:53:22 SHAPER [ 8271.779682]  [<c027ec43>]
Feb 10 15:53:22 SHAPER qdisc_watchdog_schedule+0x1e/0x21
Feb 10 15:53:22 SHAPER [ 8271.779704]  [<f89f8fe6>]
Feb 10 15:53:22 SHAPER htb_dequeue+0x6ef/0x6fb [sch_htb]
Feb 10 15:53:22 SHAPER [ 8271.779726]  [<f89e33e0>]
Feb 10 15:53:22 SHAPER sfq_drop+0x5e/0x221 [sch_sfq]
Feb 10 15:53:22 SHAPER [ 8271.779749]  [<c027dfdf>]
Feb 10 15:53:22 SHAPER [ 8271.779749]  [<c027dfdf>]
Feb 10 15:53:22 SHAPER tc_classify+0x17/0x7c
Feb 10 15:53:22 SHAPER [ 8271.779771]  [<f89f76e1>]
Feb 10 15:53:22 SHAPER htb_classify+0xf0/0x157 [sch_htb]
Feb 10 15:53:22 SHAPER [ 8271.779794]  [<c027da0e>]
Feb 10 15:53:22 SHAPER __qdisc_run+0x2a/0x163
Feb 10 15:53:22 SHAPER [ 8271.779814]  [<c02728cc>]
Feb 10 15:53:22 SHAPER dev_queue_xmit+0x18b/0x2ab
Feb 10 15:53:22 SHAPER [ 8271.779835]  [<f89eb189>]
Feb 10 15:53:22 SHAPER tcf_mirred+0x14b/0x168 [act_mirred]
Feb 10 15:53:22 SHAPER [ 8271.779857]  [<f89eb03e>]
Feb 10 15:53:22 SHAPER tcf_mirred+0x0/0x168 [act_mirred]
Feb 10 15:53:22 SHAPER [ 8271.779878]  [<c0280019>]
Feb 10 15:53:22 SHAPER tcf_action_exec+0x3d/0x6f
Feb 10 15:53:22 SHAPER [ 8271.779898]  [<f89b55a2>]
Feb 10 15:53:22 SHAPER u32_classify+0x114/0x23e [cls_u32]
Feb 10 15:53:22 SHAPER [ 8271.779922]  [<f897915e>]
Feb 10 15:53:22 SHAPER ipv4_confirm+0x34/0x39 [nf_conntrack_ipv4]
Feb 10 15:53:22 SHAPER [ 8271.779945]  [<f897912a>]
Feb 10 15:53:22 SHAPER ipv4_confirm+0x0/0x39 [nf_conntrack_ipv4]
Feb 10 15:53:22 SHAPER [ 8271.779967]  [<c027da81>]
Feb 10 15:53:22 SHAPER __qdisc_run+0x9d/0x163
Feb 10 15:53:22 SHAPER [ 8271.779989]  [<c027ddf8>]
Feb 10 15:53:22 SHAPER tc_classify_compat+0x28/0x56
Feb 10 15:53:22 SHAPER [ 8271.780009]  [<c027dfdf>]
Feb 10 15:53:22 SHAPER tc_classify+0x17/0x7c
Feb 10 15:53:22 SHAPER [ 8271.780028]  [<c027010d>]
Feb 10 15:53:22 SHAPER netif_receive_skb+0x250/0x3e2
Feb 10 15:53:22 SHAPER [ 8271.780049]  [<f89c70e3>]
Feb 10 15:53:22 SHAPER ingress_enqueue+0x16/0x4f [sch_ingress]
Feb 10 15:53:22 SHAPER [ 8271.780071]  [<c02700f3>]
Feb 10 15:53:22 SHAPER netif_receive_skb+0x236/0x3e2
Feb 10 15:53:22 SHAPER [ 8271.780090]  [<c028ac4d>]
Feb 10 15:53:22 SHAPER ip_rcv+0x1fc/0x237
Feb 10 15:53:22 SHAPER [ 8271.780109]  [<c02835e6>]
Feb 10 15:53:22 SHAPER netlink_seq_next+0x1f/0xa8
Feb 10 15:53:22 SHAPER [ 8271.780131]  [<f88d39a1>]
Feb 10 15:53:22 SHAPER e100_poll+0x157/0x26a [e100]
Feb 10 15:53:22 SHAPER [ 8271.780157]  [<c0272110>]
Feb 10 15:53:22 SHAPER net_rx_action+0x8d/0x1ad
Feb 10 15:53:22 SHAPER [ 8271.780176]  [<c02722d8>]
Feb 10 15:53:22 SHAPER net_tx_action+0xa8/0xcc
Feb 10 15:53:22 SHAPER [ 8271.780197]  [<c0126a82>]
Feb 10 15:53:22 SHAPER __do_softirq+0x5d/0xc1
Feb 10 15:53:22 SHAPER [ 8271.780217]  [<c0126b18>]
Feb 10 15:53:22 SHAPER do_softirq+0x32/0x36
Feb 10 15:53:22 SHAPER [ 8271.780236]  [<c0126d6a>]
Feb 10 15:53:22 SHAPER irq_exit+0x38/0x6b
Feb 10 15:53:22 SHAPER [ 8271.780254]  [<c01074f5>]
Feb 10 15:53:22 SHAPER do_IRQ+0x5c/0x73
Feb 10 15:53:22 SHAPER [ 8271.780275]  [<c0106cc2>]
Feb 10 15:53:22 SHAPER do_nmi+0x97/0x24d
Feb 10 15:53:22 SHAPER [ 8271.780295]  [<c010577b>]
Feb 10 15:53:22 SHAPER common_interrupt+0x23/0x28
Feb 10 15:53:22 SHAPER [ 8271.780317]  [<c0103243>]
Feb 10 15:53:22 SHAPER mwait_idle_with_hints+0x3c/0x40
Feb 10 15:53:22 SHAPER [ 8271.780338]  [<c0103247>]
Feb 10 15:53:22 SHAPER mwait_idle+0x0/0xa
Feb 10 15:53:22 SHAPER [ 8271.780356]  [<c010357e>]
Feb 10 15:53:22 SHAPER cpu_idle+0x98/0xb9
Feb 10 15:53:22 SHAPER [ 8271.780380]  =======================
Feb 10 15:53:22 SHAPER [ 8271.780396] Code:
Feb 10 15:53:22 SHAPER 09
Feb 10 15:53:22 SHAPER f0
Feb 10 15:53:22 SHAPER 85
Feb 10 15:53:22 SHAPER f6
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER 02
Feb 10 15:53:22 SHAPER 74
Feb 10 15:53:22 SHAPER 0f
Feb 10 15:53:22 SHAPER 3b
Feb 10 15:53:22 SHAPER 5e
Feb 10 15:53:22 SHAPER 08
Feb 10 15:53:22 SHAPER 75
Feb 10 15:53:22 SHAPER 05
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER 56
Feb 10 15:53:22 SHAPER 08
Feb 10 15:53:22 SHAPER eb
Feb 10 15:53:22 SHAPER 07
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER 56
Feb 10 15:53:22 SHAPER 04
Feb 10 15:53:22 SHAPER eb
Feb 10 15:53:22 SHAPER 02
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER 17
Feb 10 15:53:22 SHAPER 8b
Feb 10 15:53:22 SHAPER 03
Feb 10 15:53:22 SHAPER 83
Feb 10 15:53:22 SHAPER e0
Feb 10 15:53:22 SHAPER 03
Feb 10 15:53:22 SHAPER 09
Feb 10 15:53:22 SHAPER d0
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER 03
Feb 10 15:53:22 SHAPER 5b
Feb 10 15:53:22 SHAPER 5e
Feb 10 15:53:22 SHAPER 5f
Feb 10 15:53:22 SHAPER c3
Feb 10 15:53:22 SHAPER 57
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER d7
Feb 10 15:53:22 SHAPER 56
Feb 10 15:53:22 SHAPER 53
Feb 10 15:53:22 SHAPER
Feb 10 15:53:22 SHAPER c3
Feb 10 15:53:22 SHAPER 8b
Feb 10 15:53:22 SHAPER 50
Feb 10 15:53:22 SHAPER 08
Feb 10 15:53:22 SHAPER 8b
Feb 10 15:53:22 SHAPER 30
Feb 10 15:53:22 SHAPER 8b
Feb 10 15:53:22 SHAPER 4a
Feb 10 15:53:22 SHAPER 04
Feb 10 15:53:22 SHAPER 83
Feb 10 15:53:22 SHAPER e6
Feb 10 15:53:22 SHAPER fc
Feb 10 15:53:22 SHAPER 85
Feb 10 15:53:22 SHAPER c9
Feb 10 15:53:22 SHAPER 89
Feb 10 15:53:22 SHAPER 48
Feb 10 15:53:22 SHAPER 08
Feb 10 15:53:22 SHAPER 74
Feb 10 15:53:22 SHAPER 09
Feb 10 15:53:22 SHAPER 8b
Feb 10 15:53:22 SHAPER


--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.

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