[Bug 666] New: machine check handler can deadlock

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http://bugme.osdl.org/show_bug.cgi?id=666

           Summary: machine check handler can deadlock
    Kernel Version: all 2.4, 2.5
            Status: NEW
          Severity: normal
             Owner: mbligh@aracnet.com
         Submitter: ak@suse.de

The machine check handler calls printk but does not honour cli/sti. When an MCE
happens inside a critical section of printk it'll deadlock.

(bug is in x86-64 too, probably other platforms)

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