On 02.12.2011 15:57, Anssi Hannula wrote:
> On 02.12.2011 13:28, Colin Guthrie wrote:
>> Hi,
>>
>> Just a suggestion! Should we move wholesale to dracut?
>>
>> It's very easy to hack on, and Harald Hoyer has been very helpful and
>> has merged some of the patches we carried locally (which I mostly copied
>> from Mandriva). Not sure why they were not upstreamed before.
>>
>> There are still a couple patches we carry locally (soon to be less when
>> Harald pushes his git repo and I rebase), but they are pretty trivial,
>> understandable and easily maintainable (mostly they will be stylistic
>> tweaks and naming variations - i.e. very minor).
>>
>> Modprobe rules are included even in the initrd so tweaks there follow
>> through.
>>
>> I'm not necessarily against keeping mkinitrd, but I think we should take
>> the time from now until the beta phase to obsolte mkinitrd and force
>> everyone to use dracut in order to see if there are any issues and then
>> make the call before next beta or rc.
>
> +1
>
> One thing that doesn't work with dracut yet is that it only includes the
> KMS drivers into initramfs if they are loaded at the time of initramfs
> creation, causing unoptimal boot screen when a) initramfs created by the
> installer (I guess), and when b) user has switched a driver non-kms -> kms.
>
> This can probably be solved by some patching of
> modules.d/50plymouth/module-setup.sh, but I haven't looked at it closely
> yet.
Patch attached. I guess this would remain as a Mageia specific patch as
the wanted behavior is dependant on how the distribution handles driver
switching etc...
Shall I apply it?
--
Anssi Hannula
--- /usr/share/dracut/modules.d/50plymouth/module-setup.sh-OLD 2011-12-02 12:43:22.000000000 +0200
+++ /usr/share/dracut/modules.d/50plymouth/module-setup.sh 2011-12-02 22:40:03.525836233 +0200
@@ -14,7 +14,17 @@
local _modname
# Include KMS capable drm drivers
for _modname in $(find "$srcmods/kernel/drivers/gpu/drm" "$srcmods/extra" \( -name '*.ko' -o -name '*.ko.gz' \) 2>/dev/null); do
- zgrep -q drm_crtc_init $_modname && instmods $_modname
+ if zgrep -q drm_crtc_init $_modname; then
+ # if the hardware is present, include module even if it is not currently loaded,
+ # as we could e.g. be in the installer; nokmsboot boot parameter will disable
+ # loading of the driver if needed
+ if [[ $hostonly ]] && modinfo -F alias $_modname | sed -e 's,\?,\.,g' -e 's,\*,\.\*,g' \
+ | grep -qxf - /sys/bus/pci/devices/*/modalias; then
+ hostonly='' instmods $_modname
+ continue
+ fi
+ instmods $_modname
+ fi
done
}
