> I see occassional 10-20 second freezes with Netscape navigator running
> on a RH 4.2 box (Kernel 2.0.30).
>
> On doing ps, the Netscape process is shown to be in status D
> (uninterruptible sleep) and is waiting for some page:
>
> 100000 9539 13934 13914 8 0 14044 8536 wait_on_pag D ? 0:01 /usr/lib/
> 100000 9539 13935 13934 9 0 10636 812 do_select S ? 0:00 (dns help
>
> Does anyone know what's wrong ?
Pages should not be taking that long to unlock. Can you add some
diagnostics to find out what page it's waiting on? If page->inode is
non-NULL, you could find out what fs it's on.
I'd especially like to hear if it's a NFS page that's holding things up.
Regards,
Bill