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On Wed, Mar 13, 2019 at 01:07:20PM -0400, Demi Obenour wrote:
> I built a Linux kernel from Linus’s git master, with a slight modification
> (u2mfn module moved in-tree). The resulting kernel does not work with
> Qubes: libvchan gets -EINVAL from mmap().
>
> Any suggestions?
Can you post more details? Specifically preceding operations on this FD
(should be /dev/xen/gntalloc or /dev/xen/gntdev).
BTW u2mfn module isn't used by libvchan for a long time. The last its
user is gui-agent and even this isn't the case anymore in R4.1
(gui-agent-linux master branch).
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Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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