Date: Mon, 14 Aug 2006 18:29:17 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Doug Barton <dougb@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: ggatec(8) - ioctl(/dev/ggctl): Invalid argument. Message-ID: <20060814182736.N73800@fledge.watson.org> In-Reply-To: <44E0B0F9.8000607@FreeBSD.org> References: <20060814080451.GG16176@obelix.dsto.defence.gov.au> <44E05D9F.307@centtech.com> <44E0B0F9.8000607@FreeBSD.org>
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On Mon, 14 Aug 2006, Doug Barton wrote: > Eric Anderson wrote: >> On 08/14/06 03:04, Wilkinson, Alex wrote: >>> Hi all, >>> >>> I am trying to use ggatec(8) on 5-STABLE to mount a device file on a >>> 7-CURRENT >>> and am seeing the following error: >>> >>> # sudo ggatec create -vo ro hostname /dev/da0s1 >>> info: Connected to the server: obelix:3080. >>> debug: Sending initial packet. >>> debug: Receiving initial packet. >>> error: ggatec: ioctl(/dev/ggctl): Invalid argument. >>> error: Exiting. >>> >>> Any ideas ? >> >> I think that the 7-CURRENT version of ggate is incompatible with 5-X >> versions, however I see no mention in the man pages. > > You can generally assume that things dealing with system internals (like > ggate) are incompatible from one major version to the next. You _should_ > assume that everything from 2 major versions ago is incompatible, and be > pleasantly surprised if it works. But this is a network protocol thing, not just a local command thing. Ideally, with protocols which often do involve more than one revision of OS, there would be compatibility code for older protocol versions. Or maybe I misread the nature of the problem here? Robert N M Watson Computer Laboratory University of Cambridge
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