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Bug #134

closed

race lockup

Added by Simon Wunderlich almost 15 years ago. Updated almost 8 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
2011.4.0
Start date:
Due date:
% Done:

0%

Estimated time:

Description

These are probably multiple things in one. :)

revision used was 1517.

Directly after startup, i got:

BUG: unable to handle kernel NULL pointer dereference at 00000014
IP: [<c2af37db>] bit_shift+0x3b/0x90 [batman_adv]
*pde = 00000000
Oops: 0000 [#1] SMP
last sysfs file: /sys/kernel/uevent_seqnum
Modules linked in: via_velocity via_rhine tg3 sis900 r8169 pcnet32 ne2k_pci 8390 e1000 e100 batman_adv 8139too 3c59x nf_nat_tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack pppoe pppox libphy ipt_REJECT xt_TCPMSS ipt_LOG xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables ppp_async ppp_generic slhc natsemi crc_ccitt ipv6

Pid: 619, comm: bat_events Not tainted (2.6.31.1 #50)
EIP: 0060:[<c2af37db>] EFLAGS: 00010046 CPU: 0
EIP is at bit_shift+0x3b/0x90 [batman_adv]
EAX: 00000010 EBX: 00000000 ECX: 00000001 EDX: 00000000
ESI: 00000001 EDI: 0000001f EBP: c0ed7e7c ESP: c0ed7e64
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process bat_events (pid: 619, ti=c0ed7000 task=c1f8a440 task.ti=c0ed7000)
Stack:
 00000010 00000000 00000014 00000000 00000010 00000010 c0ed7e8c c2af3897
<0> 00000010 c0fe2c60 c0ed7eb8 c2af1826 c1d04770 00000286 00000014 c0d0c150
<0> 00000000 c09bad70 c09c4640 c1d04770 c09c4654 c0ed7eec c2af09f9 c09ba000
Call Trace:
 [<c2af3897>] ? bit_get_packet+0x67/0xa0 [batman_adv]
 [<c2af1826>] ? slide_own_bcast_window+0x66/0xb0 [batman_adv]
 [<c2af09f9>] ? schedule_own_packet+0xc9/0x140 [batman_adv]
 [<c2af0dc8>] ? send_outstanding_bat_packet+0x1f8/0x210 [batman_adv]
 [<c2af0c8d>] ? send_outstanding_bat_packet+0xbd/0x210 [batman_adv]
 [<c1050031>] ? tick_notify+0x21/0x320
 [<c1042326>] ? worker_thread+0x186/0x270
 [<c10422c2>] ? worker_thread+0x122/0x270
 [<c2af0bd0>] ? send_outstanding_bat_packet+0x0/0x210 [batman_adv]
 [<c1045c00>] ? autoremove_wake_function+0x0/0x50
 [<c10421a0>] ? worker_thread+0x0/0x270
 [<c1045b1a>] ? kthread+0x7a/0x90
 [<c1045aa0>] ? kthread+0x0/0x90
 [<c1003d37>] ? kernel_thread_helper+0x7/0x10
Code: 89 45 e8 7e 70 89 d6 bf 20 00 00 00 83 e6 1f 83 c0 04 c1 ea 05 bb 01 00 00 00 29 f7 89 55 ec 89 45 f0 eb 1e 8b 45 e8 89 f1 31 db <8b> 50 04 d3 e2 8b 4d f0 8b 41 fc 89 f9 d3 e8 01 c2 8b 45 e8 89
EIP: [<c2af37db>] bit_shift+0x3b/0x90 [batman_adv] SS:ESP 0068:c0ed7e64
CR2: 0000000000000014
---[ end trace a88f2a8ad302170c ]---
BUG: spinlock lockup on CPU#0, bat_events/619, c2af9700
Pid: 619, comm: bat_events Tainted: G      D    2.6.31.1 #50
Call Trace:
 [<c113c66b>] _raw_spin_lock+0x11b/0x150
 [<c12515cb>] _spin_lock_irqsave+0x4b/0x60
 [<c2af195c>] ? recv_bat_packet+0x4c/0xa0 [batman_adv]
 [<c2af195c>] recv_bat_packet+0x4c/0xa0 [batman_adv]
 [<c2af5242>] batman_skb_recv+0xa2/0x130 [batman_adv]
 [<c2af51a0>] ? batman_skb_recv+0x0/0x130 [batman_adv]
 [<c11df851>] netif_receive_skb+0x461/0x4c0
 [<c11df530>] ? netif_receive_skb+0x140/0x4c0
 [<c2b3df48>] e1000_reinit_locked+0x2a78/0x2e10 [e1000]
 [<c102441e>] ? enqueue_task_fair+0xbe/0xd0
 [<c2b3dbb0>] ? e1000_reinit_locked+0x26e0/0x2e10 [e1000]
 [<c2b3cfbf>] e1000_reinit_locked+0x1aef/0x2e10 [e1000]
 [<c1065909>] ? +rcu_process_callbacks+0x119/0x200
 [<c1039d52>] ? run_timer_softirq+0x22/0x1d0
 [<c11e27c8>] net_rx_action+0x78/0x160
 [<c10359d8>] +do_softirq+0xd8/0x1c0
 [<c1035900>] ? +do_softirq+0x0/0x1c0
 <IRQ>  [<c10358ea>] ? irq_exit+0x3a/0x50
 [<c1251af5>] ? do_IRQ+0xa5/0xc0
 [<c1048ac8>] ? lock_hrtimer_base+0x28/0x60
 [<c100386e>] ? common_interrupt+0x2e/0x34
 [<c1251549>] ? _spin_unlock_irq+0x29/0x30
 [<c1060c4f>] ? acct_collect+0x13f/0x160
 [<c1032c08>] ? do_exit+0x148/0x590
 [<c1030b10>] ? printk+0x20/0x30
 [<c102fa5f>] ? print_oops_end_marker+0x2f/0x40
 [<c1006ce5>] ? oops_end+0xa5/0xc0
 [<c1030b10>] ? printk+0x20/0x30
 [<c101b265>] ? no_context+0x135/0x150
 [<c10a7c88>] ? create_object+0x28/0x230
 [<c101b49c>] ? +bad_area_nosemaphore+0x15c/0x170
 [<c105c66d>] ? is_module_text_address+0xd/0x20
 [<c104388b>] ? +kernel_text_address+0x1b/0x40
 [<c101b557>] ? bad_area_nosemaphore+0x17/0x20
 [<c101b74c>] ? do_page_fault+0x10c/0x240
 [<c101b640>] ? do_page_fault+0x0/0x240
 [<c1251893>] ? error_code+0x6b/0x70
 [<c101b640>] ? do_page_fault+0x0/0x240
 [<c2af37db>] ? bit_shift+0x3b/0x90 [batman_adv]
 [<c2af3897>] ? bit_get_packet+0x67/0xa0 [batman_adv]
 [<c2af1826>] ? slide_own_bcast_window+0x66/0xb0 [batman_adv]
 [<c2af09f9>] ? schedule_own_packet+0xc9/0x140 [batman_adv]
 [<c2af0dc8>] ? send_outstanding_bat_packet+0x1f8/0x210 [batman_adv]
 [<c2af0c8d>] ? send_outstanding_bat_packet+0xbd/0x210 [batman_adv]
 [<c1050031>] ? tick_notify+0x21/0x320
 [<c1042326>] ? worker_thread+0x186/0x270
 [<c10422c2>] ? worker_thread+0x122/0x270
 [<c2af0bd0>] ? send_outstanding_bat_packet+0x0/0x210 [batman_adv]
 [<c1045c00>] ? autoremove_wake_function+0x0/0x50
 [<c10421a0>] ? worker_thread+0x0/0x270
 [<c1045b1a>] ? kthread+0x7a/0x90
 [<c1045aa0>] ? kthread+0x0/0x90
 [<c1003d37>] ? kernel_thread_helper+0x7/0x10
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