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    DateTue, 31 Jan 2006 01:39:39 -0500
    FromDave Jones <>
    Subjectmore cfq spinlock badness
    Not seen this break for a while, but I just hit it again in 2.6.16rc1-git4.
    
    		Dave
    
    BUG: spinlock bad magic on CPU#0, pdflush/1128
     lock: ffff81003a219000, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
    Call Trace: <ffffffff80206edc>{spin_bug+177} <ffffffff80207045>{_raw_spin_lock+25}
           <ffffffff801fea4a>{cfq_exit_single_io_context+85} <ffffffff801ff9a6>{cfq_exit_io_context+24}
           <ffffffff801f79b0>{exit_io_context+137} <ffffffff80135fbc>{do_exit+182}
           <ffffffff8010ba49>{child_rip+15} <ffffffff80146087>{keventd_create_kthread+0}
           <ffffffff8014629c>{kthread+0} <ffffffff8010ba3a>{child_rip+0}
    Kernel panic - not syncing: bad locking
    
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