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SubjectRe: 2.6.8.1-mm2 breaks vmware
On Fri, Aug 20, 2004 at 11:45:18AM -0700, you [Andrew Morton] wrote:
> >
> > --8<-----------------------------------------------------------------------
> > vmmon: Your kernel is br0ken. get_user_pages(current, current->mm, b7dd1000, 1, 1, 0, &page, NULL) returned -14.
> > vmmon: I'll try accessing page tables directly, but you should know that your
> > vmmon: kernel is br0ken and you should uninstall all additional patches you vmmon: have installed!
> > vmmon: FYI, copy_from_user(b7dd1000) returns 0 (if not 0 maybe your kernel is not br0ken)
> > --8<-----------------------------------------------------------------------
> >
> > warning, but vmware appears to work now (well apart from altgr not working,
> > but that has been broken since 2.4 -> 2.6 transition.)
> >
> > I'm still not 100% which of the patches causes that get_user_pages()
> > warning.
>
> If you could work that out sometime, it would help.

* 2.6.8.1-mm2 minus just dev-mem-restriction-patch.patch fixes the "cannot
allocate memory" problem.

* 2.6.8.1-mm2 minus dev-mem-restriction-patch.patch and
get_user_pages-handle-VM_IO.patch fixes both the "cannot allocate memory"
and "get_user_pages() returns -EFAULT" problems.

"Cannot allocate memory" may be specific to older vmware 3.2.0 since it
hasn't been reported by anyone else (even though the patch is present in
Fedora).



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