current linuxppc_2_4_devel SMP strangeness.. (processes dieing)

Benjamin Herrenschmidt benh at
Wed Oct 31 06:28:30 EST 2001

>Then, when I tried to log in over serial console, the login process
>appeared to die after I entered 'root'.  If I kept trying, I would
>occasional actually get a password prompt.
>I think there's something going wrong either in the cache flush avoidance
>stuff, or in the generic smp VM.
>(I'm going to finally update linuxppc_2_4 for MTX SMP later today, so I'll
>can hopefully find out if it's a generic VM problem or not)

It's pre5 ? I think Tom's fix is wrong. It should probably be
copy_user_page or copy_cow_page (I use the last one). Without that,
the cache avoidance will probably win a direct ticket to hell ;)


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