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SubjectRe: 2.6.8.1-mm2 breaks vmware
Ville Herva <vherva@viasys.com> wrote:
>
> On Fri, Aug 20, 2004 at 05:43:04PM +0300, you [Ville Herva] wrote:
> > On Fri, Aug 20, 2004 at 04:18:25PM +0300, you [Ville Herva] wrote:
> > >
> > > I just noticed I had missed get_user_pages-handle-VM_IO.patch - I'll try
> > > backing that out first. I'll report back if I find anything interesting
> > > with different patch mixtures.
> >
> > Well, I just tried 2.6.8.1-mm2 minus get_user_pages-handle-VM_IO.patch but
> > that didn't help with the "cannot allocate memory" problem. Curiously, I
> > didn't get the "get_user_pages() returns -EFAULT" warning with this kernel.
> >
> > I just put get_user_pages-handle-VM_IO.patch back and reverted
> > dev-mem-restriction-patch.patch - I'll report back when it has compiled.
>
> Ok, 2.6.8.1-mm2 minus dev-mem-restriction-patch.patch fixes the "cannot
> allocate memory" problem.

Thanks for working that out.

Strange. I'd have assumed that the Fedora kernels include that patch.

> With this kernel I still get the
>
> --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.
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