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    SubjectRe: tty breakage in X (Was: tty vs workqueue oddities)
    Benjamin Herrenschmidt <> writes:

    > It looks like the patch is causing some major malfunctions of the X
    > server for me, possibly related to PTYs. For example, cat'ing a large
    > file in a gnome terminal hangs the kernel for -minutes- in a loop of
    > what looks like flush_to_ldisc/workqueue code, (some ftrace data in the
    > quoted bits further down).

    Btw., do you already have d72bce0 ("rcu: Cure load woes")? Although
    that is about an independent bug, it appears to amplify this issue a


    Andreas Schwab,
    GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
    "And now for something completely different."

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