On Tue, Mar 01, 2005 at 06:04:27PM -0500, Bosko Milekic wrote: > This does not appear to explain the livelock.
alc and dwhite tracked it down to a missing volatile causing gcc to mis-optimize the loop: - cnt = *(m->m_ext.ref_cnt); + cnt = *(volatile u_int *)(m->m_ext.ref_cnt); I'm currently testing that. Kris
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