Scott Wood wrote: > Scott Wood wrote: >> Nathan Lynch wrote: >>> Is the crashing program multithreaded? The first report had firefox >>> triggering the oops. >> >> OK, I've got a test program that triggers it now. I'll see if I can >> figure out what's going on. > > The problem seems to be that update_mmu_cache() is called on a guard > page with no access rights. > > Changing update_mmu_cache() to always call flush_dcache_icache_page() > fixes it, though a better performing fix would probably be to add an > exception table entry for the dcbst.
I can confirm that this seems to fix it. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
