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    SubjectRe: freeze when strace X
    On Wed, Jun 09, 2010 at 10:47:23PM +0200, Thomas Gleixner wrote:
    > On Wed, 9 Jun 2010, Matthew Garrett wrote:
    > > strace needs to output text via X, which generates output which needs to
    > > be output via X... and you'll tend to deadlock. If X is holding any
    > > interesting kernel locks at that point then it wouldn't surprise me if
    > > the machine ends up dead.
    >
    > Nothing to do with kernel locks. strace hooks into the syscall and
    > intercepts the data, so X is stopped at that point. Now try to send
    > output to a program which you stopped yourself :)

    Oh, yeah, and ctrl+alt+fwhatever is handled by X.

    --
    Matthew Garrett | mjg59@srcf.ucam.org


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