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| author | Nicolas Vigier <boklm@mageia.org> | 2013-04-14 13:46:12 +0000 |
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| committer | Nicolas Vigier <boklm@mageia.org> | 2013-04-14 13:46:12 +0000 |
| commit | 1be510f9529cb082f802408b472a77d074b394c0 (patch) | |
| tree | b175f9d5fcb107576dabc768e7bd04d4a3e491a0 /zarb-ml/mageia-dev/2011-December/010481.html | |
| parent | fa5098cf210b23ab4f419913e28af7b1b07dafb2 (diff) | |
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diff --git a/zarb-ml/mageia-dev/2011-December/010481.html b/zarb-ml/mageia-dev/2011-December/010481.html new file mode 100644 index 000000000..9d27ae337 --- /dev/null +++ b/zarb-ml/mageia-dev/2011-December/010481.html @@ -0,0 +1,160 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut. + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20RFC%3A%20Drop%20mkinitrd%20completely%20in%20favour%20of%20dracut.&In-Reply-To=%3C4EEA0531.4050905%40colin.guthr.ie%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="010476.html"> + <LINK REL="Next" HREF="010486.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut.</H1> + <B>Colin Guthrie</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20RFC%3A%20Drop%20mkinitrd%20completely%20in%20favour%20of%20dracut.&In-Reply-To=%3C4EEA0531.4050905%40colin.guthr.ie%3E" + TITLE="[Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut.">mageia at colin.guthr.ie + </A><BR> + <I>Thu Dec 15 15:33:21 CET 2011</I> + <P><UL> + <LI>Previous message: <A HREF="010476.html">[Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut. +</A></li> + <LI>Next message: <A HREF="010486.html">[Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#10481">[ date ]</a> + <a href="thread.html#10481">[ thread ]</a> + <a href="subject.html#10481">[ subject ]</a> + <a href="author.html#10481">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>'Twas brillig, and Anssi Hannula at 15/12/11 13:07 did gyre and gimble: +><i> On 05.12.2011 22:37, Colin Guthrie wrote: +</I>>><i> 'Twas brillig, and Anssi Hannula at 02/12/11 21:17 did gyre and gimble: +</I>>>><i> On 02.12.2011 15:57, Anssi Hannula wrote: +</I>>>>><i> On 02.12.2011 13:28, Colin Guthrie wrote: +</I>>>>>><i> Hi, +</I>>>>>><i> +</I>>>>>><i> Just a suggestion! Should we move wholesale to dracut? +</I>>>>>><i> +</I>>>>>><i> It's very easy to hack on, and Harald Hoyer has been very helpful and +</I>>>>>><i> has merged some of the patches we carried locally (which I mostly copied +</I>>>>>><i> from Mandriva). Not sure why they were not upstreamed before. +</I>>>>>><i> +</I>>>>>><i> There are still a couple patches we carry locally (soon to be less when +</I>>>>>><i> Harald pushes his git repo and I rebase), but they are pretty trivial, +</I>>>>>><i> understandable and easily maintainable (mostly they will be stylistic +</I>>>>>><i> tweaks and naming variations - i.e. very minor). +</I>>>>>><i> +</I>>>>>><i> Modprobe rules are included even in the initrd so tweaks there follow +</I>>>>>><i> through. +</I>>>>>><i> +</I>>>>>><i> I'm not necessarily against keeping mkinitrd, but I think we should take +</I>>>>>><i> the time from now until the beta phase to obsolte mkinitrd and force +</I>>>>>><i> everyone to use dracut in order to see if there are any issues and then +</I>>>>>><i> make the call before next beta or rc. +</I>>>>><i> +</I>>>>><i> +1 +</I>>>>><i> +</I>>>>><i> One thing that doesn't work with dracut yet is that it only includes the +</I>>>>><i> KMS drivers into initramfs if they are loaded at the time of initramfs +</I>>>>><i> creation, causing unoptimal boot screen when a) initramfs created by the +</I>>>>><i> installer (I guess), and when b) user has switched a driver non-kms -> kms. +</I>>>>><i> +</I>>>>><i> This can probably be solved by some patching of +</I>>>>><i> modules.d/50plymouth/module-setup.sh, but I haven't looked at it closely +</I>>>>><i> yet. +</I>>>><i> +</I>>>><i> Patch attached. I guess this would remain as a Mageia specific patch as +</I>>>><i> the wanted behavior is dependant on how the distribution handles driver +</I>>>><i> switching etc... +</I>>>><i> +</I>>>><i> Shall I apply it? +</I>>><i> +</I>>><i> Just to pick up on this patch, here is a conversation I just had with +</I>>><i> Harald on #dracut IRC: +</I>>><i> +</I>>><i> coling> haraldh, the "more interesting" question (for various values of +</I>>><i> "more interesting") was about a how hostonly works.... at the moment it +</I>>><i> only includes modules that are already loaded... but in some cases you +</I>>><i> want to include modules that are not currently loaded but do belong on +</I>>><i> the h/w in question. +</I>>><i> <coling> haraldh, one of the patches (that we believe might just have to +</I>>><i> be a local one for the way we do things) is here: +</I>>><i> <A HREF="http://svnweb.mageia.org/packages/cauldron/dracut/current/SOURCES/0508-plymouth-Include-kms-modules-even-if-they-are-not-cu.patch?revision=175507&view=markup">http://svnweb.mageia.org/packages/cauldron/dracut/current/SOURCES/0508-plymouth-Include-kms-modules-even-if-they-are-not-cu.patch?revision=175507&view=markup</A> +</I>>><i> <coling> It checks the module aliases against the current h/w. We do +</I>>><i> this when we generate the initrd from the installer and include the KMS +</I>>><i> modules even although they are not currently loaded. +</I>>><i> <coling> I'm not sure if this is a mechanism you want to consider +</I>>><i> supporting? e.g. perhaps "hostonly" mode could change to do things this +</I>>><i> way (via modaliases) and a new "loadedonly" mode could suppliment +</I>>><i> hostonly to give the current behaviour? +</I>>><i> <coling> Or perhaps you could make hostonly={no|yes|loaded|hardware} +</I>>><i> where yes is just a synonym for "loaded". +</I>>><i> <coling> (I didn't write that patch by the way, so i'm just picking up +</I>>><i> on the general principal with a view to seeing if the general concept +</I>>><i> can be upstreamed) +</I>>><i> <haraldh> hostonly, hmm, yes, greping for currently used modules was the +</I>>><i> easiest and fastest way +</I>>><i> <haraldh> to be more correct, we should do it with the aliases like in +</I>>><i> your patch +</I>>><i> <haraldh> but that is costly and takes a lot of time +</I>>><i> <haraldh> and also the modprobe.conf.d is something one would want +</I>>><i> <haraldh> and also install possible helper tools there +</I>>><i> <haraldh> so, if you want to factor that one out in a module filter +</I>>><i> function, send it to the initramfs mailing list +</I>>><i> <haraldh> any help in that area is appreciated and most likely merged :) +</I>>><i> +</I>>><i> +</I>>><i> So if you fancy working on this, I'm sure it'll get upstreamed :) +</I>><i> +</I>><i> I might take a look at this. +</I>><i> +</I>><i> Though, as Harald says, it might prove to be slow, since we'd have to +</I>><i> compare every alias of every module considered by dracut against the +</I>><i> system modalias list... Well, I guess we'll see. +</I> +Yeah I guess it would be good to have the this cached into some kind of +matrix, but that might be a bit tricky in sh... + +Col + + +-- + +Colin Guthrie +colin(at)mageia.org +<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A> + +Day Job: + Tribalogic Limited <A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A> +Open Source: + Mageia Contributor <A HREF="http://www.mageia.org/">http://www.mageia.org/</A> + PulseAudio Hacker <A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A> + Trac Hacker <A HREF="http://trac.edgewall.org/">http://trac.edgewall.org/</A> +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="010476.html">[Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut. +</A></li> + <LI>Next message: <A HREF="010486.html">[Mageia-dev] RFC: Drop mkinitrd completely in favour of dracut. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#10481">[ date ]</a> + <a href="thread.html#10481">[ thread ]</a> + <a href="subject.html#10481">[ subject ]</a> + <a href="author.html#10481">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-dev">More information about the Mageia-dev +mailing list</a><br> +</body></html> |