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SubjectBUG: spinlock bad magic on CPU#1, swapper/1
Date
Current v2.6.31-rc5-246-g90bc1a6 gives me:

BUG: spinlock bad magic on CPU#1, swapper/1
lock: ffff88007e1889c8, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
Pid: 1, comm: swapper Not tainted 2.6.31-rc5 #4
Call Trace:
[<ffffffff811345e8>] spin_bug+0xa2/0xaa
[<ffffffff8113469e>] _raw_spin_lock+0x23/0x135
[<ffffffff8125664e>] _spin_lock_bh+0x19/0x1e
[<ffffffff811e3702>] alloc_netdev_mq+0x127/0x211
[<ffffffff81433487>] ? netdev_init+0x6a/0xac
[<ffffffff811a81eb>] ? loopback_setup+0x0/0x7b
[<ffffffff8142e718>] loopback_net_init+0x30/0x7a
[<ffffffff811dd62e>] register_pernet_device+0x2b/0x58
[<ffffffff814336bd>] net_dev_init+0x13d/0x19b
[<ffffffff81433580>] ? net_dev_init+0x0/0x19b
[<ffffffff8100905c>] do_one_initcall+0x56/0x12b
[<ffffffff8106f55b>] ? register_irq_proc+0xb0/0xcc
[<ffffffff810e0000>] ? proc_pid_cmdline+0x5a/0xf9
[<ffffffff8140f65d>] kernel_init+0x14d/0x1a3
[<ffffffff8100ca7a>] child_rip+0xa/0x20
[<ffffffff8140f510>] ? kernel_init+0x0/0x1a3
[<ffffffff8100ca70>] ? child_rip+0x0/0x20

Error occurs during early boot (between PCI/ACPI init and PnP init).

.31-rc5 itself did not give that error.

Cheers,
FJP


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