On Wed, 2010-04-21 at 19:44 -0500, Kim Phillips wrote:

I took an 8377 rdb board, and let it run timebase.c (with the isync &
long long casts) all weekend, and have failed to reproduce the issue.
That was on linux 2.6.33, and I've got another machine running the
same
thing under 2.6.28 for the last couple of hours, still unable to
reproduce the issue.

Do we need to add an isync to the vdso and kernel gettimeofday() ?

Cheers,
Ben.