Re: [Bug 14537] New: missing compat_ioctl on x86_64

From: Rafael J. Wysocki
Date: Sat Nov 07 2009 - 14:05:39 EST


On Saturday 07 November 2009, Pavel Machek wrote:
> Hi!
>
> > > > - when trying to suspend:
> > > > ioctl32(s2disk:8164): Unknown cmd fd(4) cmd(400c330d){t:'3';sz:12}
> > > > arg(ffc190ec) on /dev/snapshot
> > > > ioctl32(s2disk:8164): Unknown cmd fd(4) cmd(4004330a){t:'3';sz:4} arg(00000806)
> > > > on /dev/snapshot
> > >
> > > snapshot_ioctl seems to lack compat support completely. Raphael ??
> >
> > It does, but that wouldn't work anyway. s2disk is one of the things that have
> > to be native.
>
> Actually... it would be nice to fix that one day, if someone submitted
> nice patch... :-).

It must be fixed in s2disk first, but that would probably require us to drop
support for older kernels. Which is not unthinkable, but might hurt some
users.

Thanks,
Rafael
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