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    SubjectRe: [BUG][debian-2.6.20-1-686] bridging + vlans + "vconfig rem" == stuck kernel
    Kyle Moffett wrote:
    > vconfig D 83CCD8CE 0 16564 16562 (NOTLB)
    > efdd7e7c 00000086 ee120afb 83ccd8ce 98f00788 b7083ffa 5384b49a
    > c76c0b05
    > 9ebaf791 00000004 efdd7e4e 00000007 f1468a90 2ab74174 00000362
    > 00000326
    > f1468b9c c180e420 00000001 00000286 c012933c efdd7e8c df98a000
    > c180e468
    > Call Trace:
    > [<c012933c>] lock_timer_base+0x15/0x2f
    > [<c0129445>] __mod_timer+0x91/0x9b
    > [<c02988f5>] schedule_timeout+0x70/0x8d
    > [<f8b75209>] vlan_device_event+0x13/0xf8 [8021q]

    Looks like a deadlock in the vlan code. Any chance you can run this
    test with
    lockdep enabled?

    You could also add a printk in vlan_device_event() to check which event
    it is hanging on, and
    the netdevice that is passed in.

    Since the vlan code holds RTNL at this point, then most other network
    tasks will eventually
    hang as well.


    Ben Greear <>
    Candela Technologies Inc

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      Last update: 2007-05-10 06:29    [W:0.033 / U:12.460 seconds]
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