>>> m...@netbsd.org (Emmanuel Dreyfus) wrote > I had a look at src/sys/uvm/uvm_glue.c changes bewteen netbsd-5 and > -current. Revision 1.140-1.141 is interesting: netbsd-5 has a swappable > u-area, and the change drops that "feature" to fix issues. > > The problem is documented in kern/38828 > http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=38828 > > Is it possible that mlockall() fail to wire the u-areas, leading to the > problem again? > > The changeset is huge, but it does not only make the u-area unswappable. > Is it reasonable to try to isolate that change and backport to netbsd-5?
"sysctl -w vm.swapout=0" helps you? -- Takeshi Nakayama