From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin Guthrie Subject: Re: [PATCH] Use modinfo to gather module dependencies Date: Mon, 27 Feb 2012 11:29:56 +0000 Message-ID: References: <2369135.eJzU9GBXlg@ernie> <4F4B5A00.2060400@redhat.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4F4B5A00.2060400-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: initramfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org 'Twas brillig, and Harald Hoyer at 27/02/12 10:25 did gyre and gimble: > Am 25.02.2012 22:09, schrieb Dennis Schridde: >> Hello! > >> I just switched from module-init-tools to kmod and found dracut broken, >> because it uses modprobe --show-depends to find out about module locations >> and dependencies, which apparently is not implemented in kmod. > >> Hence I wrote attached patch, switching from modprobe to modinfo, which >> also seem to be the tool intended for the job. This method appears to work >> reliable in kmod-5, but I have not tested with module-init-tools. > >> Kind regards, Dennis > > You need this patch for kmod: > > http://git.profusion.mobi/cgit.cgi/kmod.git/commit/?id=269de2e0bf5011072da2f40f4f2d4023fad696b9 What does this patch add? I seem to get modprobe working happily with kmod 5 even for non-loaded modules. With patch applied or not, the output was the same. I'd just like to understand the issue :) Cheers Col (i915 is loaded, nouveau is not) [colin@jimmy dracut (master)]$ modprobe --ignore-install --show-depends i915 insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/acpi/video.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/i2c/i2c-core.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/acpi/button.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/i2c/algos/i2c-algo-bit.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/drm.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/drm_kms_helper.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/i915/i915.ko.xz i915_enable_fbc=0 [colin@jimmy dracut (master)]$ modprobe --ignore-install --show-depends nouveau insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/acpi/button.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/acpi/video.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/platform/x86/wmi.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/platform/x86/mxm-wmi.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/i2c/i2c-core.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/i2c/algos/i2c-algo-bit.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/drm.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/drm_kms_helper.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/ttm/ttm.ko.xz insmod /lib/modules/3.2.7-desktop-1.mga2/kernel/drivers/gpu/drm/nouveau/nouveau.ko.xz -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited http://www.tribalogic.net/ Open Source: Mageia Contributor http://www.mageia.org/ PulseAudio Hacker http://www.pulseaudio.org/ Trac Hacker http://trac.edgewall.org/