netdev - [net-next] kernel bug at dev.c:4021

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Date:	Fri, 7 Nov 2008 15:44:07 -0600
From:	Jay Cliburn <jacliburn@...lsouth.net>
To:	netdev@...r.kernel.org
Subject: [net-next] kernel bug at dev.c:4021

Pulled davem's net-next today (20081107, head
167c6274c30d17c41742096d1a12c32bd3b7e366) and was greeted with an
unbootable system.

Console log and config attached.

[    0.387107] ------------[ cut here ]------------
[    0.387951] kernel BUG at net/core/dev.c:4021!
[    0.387951] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[    0.387951] last sysfs file: 
[    0.387951] Dumping ftrace buffer:
[    0.387951]    (ftrace buffer empty)
[    0.387951] CPU 0 
[    0.387951] Modules linked in:
[    0.387951] Pid: 1, comm: swapper Not tainted 2.6.28-rc3 #7
[    0.387951] RIP: 0010:[<ffffffff812441a7>]  [<ffffffff812441a7>] register_ne5
[    0.387951] RSP: 0018:ffff8800d78e7d10  EFLAGS: 00010202
[    0.387951] RAX: 0000000000000000 RBX: ffff8800d782a0a0 RCX: 0000000000000000
[    0.387951] RDX: ffffffff81495938 RSI: 0000000000000025 RDI: ffff8800d782a0a0
[    0.387951] RBP: ffff8800d78e7d30 R08: 0000000000000001 R09: 0000000000000001
[    0.387951] R10: ffff880000000008 R11: ffffe200049c6be0 R12: ffff8800d782a0a0
[    0.387951] R13: ffffffff81b7b2a0 R14: ffffffff8153cfd0 R15: ffffffff8150b140
[    0.387951] FS:  0000000000000000(0000) GS:ffffffff814fd500(0000) knlGS:00000
[    0.387951] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[    0.387951] CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0
[    0.387951] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.387951] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[    0.387951] Process swapper (pid: 1, threadinfo ffff8800d78e6000, task ffff8)
[    0.387951] Stack:
[    0.387951]  ffffffff8153cfd0 ffff8800d782a0a0 ffff8800d782a0a0 ffffffff81b70
[    0.387951]  ffff8800d78e7d50 ffffffff812444ed ffff8800d782a0a0 00000000ffff4
[    0.387951]  ffff8800d78e7d80 ffffffff811e85a1 2222222222222222 ffffffff81558
[    0.387951] Call Trace:
[    0.387951]  [<ffffffff812444ed>] register_netdev+0x3f/0x4d
[    0.387951]  [<ffffffff811e85a1>] loopback_net_init+0x4c/0x89
[    0.387951]  [<ffffffff8123f3d8>] register_pernet_operations+0x39/0xb0
[    0.387951]  [<ffffffff8123f47b>] register_pernet_device+0x2c/0x59
[    0.387951]  [<ffffffff81534678>] ? net_dev_init+0x0/0x18d
[    0.387951]  [<ffffffff81534703>] net_dev_init+0x8b/0x18d
[    0.387951]  [<ffffffff81534678>] ? net_dev_init+0x0/0x18d
[    0.387951]  [<ffffffff8100905d>] _stext+0x5d/0x14a
[    0.387951]  [<ffffffff8115b79f>] ? _raw_spin_unlock+0x8e/0x94
[    0.387951]  [<ffffffff812ca171>] ? _spin_unlock+0x2b/0x2f
[    0.387951]  [<ffffffff810fb651>] ? proc_register+0x122/0x198
[    0.387951]  [<ffffffff810fb6b3>] ? proc_register+0x184/0x198
[    0.387951]  [<ffffffff810fb7f9>] ? create_proc_entry+0x83/0x99
[    0.387951]  [<ffffffff8107e993>] ? register_irq_proc+0xb5/0xd1
[    0.387951]  [<ffffffff810f0000>] ? generic_acl_set+0x122/0x15b
[    0.387951]  [<ffffffff8150b66b>] kernel_init+0x118/0x16c
[    0.387951]  [<ffffffff812c9c96>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[    0.387951]  [<ffffffff8100d729>] child_rip+0xa/0x11
[    0.387951]  [<ffffffff8100c933>] ? restore_args+0x0/0x30
[    0.387951]  [<ffffffff8150b553>] ? kernel_init+0x0/0x16c
[    0.387951]  [<ffffffff8100d71f>] ? child_rip+0x0/0x11
[    0.387951] Code: 00 5b 41 5c 5b 41 5c 41 5d 41 5e c9 c3 55 48 89 e5 41 55 4 
[    0.387951] RIP  [<ffffffff812441a7>] register_netdevice+0x1e/0x325
[    0.387951]  RSP <ffff8800d78e7d10>
[    0.387959] ---[ end trace 4eaa2a86a8e2da22 ]---
[    0.388956] Kernel panic - not syncing: Attempted to kill init!

View attachment "bug-20081107.txt" of type "text/plain" (14409 bytes)

View attachment "config-20081107.txt" of type "text/plain" (65421 bytes)