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    SubjectRe: 2.6.17-mm2 hrtimer code wedges at boot?
    Hi,

    On Mon, 26 Jun 2006, Valdis.Kletnieks@vt.edu wrote:

    > Which looks like a good place to get hung in a loop for a while....
    >
    > Eventually (after about 2 minutes, it finally unwedges and continues on.
    >
    > Any ideas?

    Could you please try the patch below?
    tv_nsec can shortly become negative, but its absolute value will always be
    smaller then the current nsec offset.

    bye, Roman

    ---
    kernel/timer.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    Index: linux-2.6-mm/kernel/timer.c
    ===================================================================
    --- linux-2.6-mm.orig/kernel/timer.c 2006-06-27 11:59:19.000000000 +0200
    +++ linux-2.6-mm/kernel/timer.c 2006-06-27 12:10:28.000000000 +0200
    @@ -1129,7 +1129,7 @@ static void update_wall_time(void)
    clocksource_adjust(clock, offset);

    /* store full nanoseconds into xtime */
    - xtime.tv_nsec = clock->xtime_nsec >> clock->shift;
    + xtime.tv_nsec = (s64)clock->xtime_nsec >> clock->shift;
    clock->xtime_nsec -= (s64)xtime.tv_nsec << clock->shift;

    /* check to see if there is a new clocksource to use */
    -
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