Date: Wed, 29 Feb 2012 00:11:26 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: vermaden <vermaden@interia.pl> Cc: fidaj@ukr.net, freebsd-stable@FreeBSD.org, lars.engels@0x20.net, Hans Petter Selasky <hselasky@c2i.net>, Alexander Leidinger <Alexander@Leidinger.net>, smithi@nimnet.asn.au Subject: Re: devd based AUTOMOUNTER Message-ID: <4F4D510E.60206@FreeBSD.org> In-Reply-To: <qdhsbowuuhzdjuvpiakq@eioe> References: <hkubftdrahxmtuzcfqzh@ziad> <4F3EE186.4020801@gmail.com> <uhhupehcnrebtwjfedhg@xlkc> <201202181409.08859.hselasky@c2i.net> <evbvqmovseenzzafkvdy@cufm> <dusvifyxcdqegubftcgz@lvhf> <20120226203949.H89643@sola.nimnet.asn.au> <CAN6yY1uYMfWqkbXLHXuS-bTKes7T=YMS%2BfBX8_%2BXtx9-rBFmyw@mail.gmail.com> <ztlcngurasjmdlkymcau@dovo> <CAN6yY1sfFH%2B4pBmmSmREG5xO1nF8iCzPwXKuXAOG3rBrsO62bg@mail.gmail.com> <kovckjfzfftyzqjrypqv@khtj> <20120228162636.Horde.JgORKJjmRSRPTPIsGKfo0uA@webmail.leidinger.net> <4F4D403E.2030703@FreeBSD.org> <qdhsbowuuhzdjuvpiakq@eioe>
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on 29/02/2012 00:04 vermaden said the following: > "Andriy Gapon" <avg@FreeBSD.org> said: >> on 28/02/2012 17:26 Alexander Leidinger said the following: >>> The kernel does not poll for CD changes, and the people guarding the relevant CD >>> code where against something like this in the kernel everytime this came up in >>> the past. So no devd event for this. >> >> My impression was that lately people were asking for it (and nobody actually >> "guarded" the code), but there is no good design on how to do it. > > The mentioned earlier sysctl OID changes whenever CD is in the > drive or not, something changes that ... so adding appreciate > events like "MEDIA INSERTED" and "MEDIA REMOVED" to cd* class > should be enought to handle them and mount/umount the > medium with script like mine with appreciate devd(8) config. I don't think that there is any kernel component that pro-actively changes that value. Most likely you have something like hald running or otherwise tried to access the device before the change was noted. -- Andriy Gapon
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