Messages in this thread | | | Date | Fri, 4 Jun 2010 13:00:22 +0800 | From | Américo Wang <> | Subject | Re: 2.6.25-rc1 ahci regression |
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On Thu, Jun 03, 2010 at 07:55:05PM +0400, Anton Vorontsov wrote: >On Thu, Jun 03, 2010 at 11:45:33PM +0800, Américo Wang wrote: >> On Thu, Jun 03, 2010 at 07:04:22PM +0400, Anton Vorontsov wrote: >> >On Thu, Jun 03, 2010 at 10:13:57PM +0800, Luming Yu wrote: >> >> On Thu, Jun 3, 2010 at 9:50 PM, Anton Vorontsov <cbouatmailru@gmail.com> wrote: >> >> > On Thu, Jun 03, 2010 at 05:23:19PM +0400, Anton Vorontsov wrote: >> >> > [...] >> >> >> Oh. It seems I found it. It must be the module order loading >> >> >> thing. >> >> >> >> >> >> Can you try the patch down below? >> >> > >> >> > OTOH... libahci is a link-time dependency. And the order doesn't >> >> > matter here. So you should just have the libahci module in >> >> > the initrd (actually, mkinitrd or whatever you use should >> >> > have included this automatically). >> >> > >> >> >> >> Neither ahci nor libachi is automatically included in initrd.. >> > >> >What commands you use to build the kernel and initrd? >> > >> >> Manually added ahci and libachi into initrd seems to make the problem go away.. >> >> Any idea why that could happen? >> > >> >No idea off hand. >> > >> >Cc'ing Kbuild folks. Question is: is there something wrong with >> >writing stuff like this: >> >obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o >> >obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o >> >as in drivers/ata/Makefile? >> > >> >It seem to link fine, .ko's are created. But for some reason >> >initrd doesn't include these modules for Luming... >> > >> >> Odd. >> Are these modules exported to /lib/modules/`uname -r`/ directory? > >At least for me, yes (debian sid). It all looks sane. >
Then it's unlikely to be a problem of kbuild. :)
> >I just found Fedora's mkinitrd, and I see this: > >~/mkinitrd$ git grep -A 5 -B 5 ahci >functions- for m in $items ; do >functions- char=$(echo $m | cut -c1) >functions- if [ $char = '=' ]; then >functions- NAME=$(echo $m | cut -c2-) >functions- if [ "$NAME" = "ata" ]; then >functions: MODS="$MODS $(cat /lib/modules/$kernel/modules.block |egrep '(ata|ahci)' |sed -e 's/.ko//')" >functions- else >functions- # Ignore if group list does not exist >functions- if [ -e /lib/modules/$kernel/modules.$NAME ]; then >functions- MODS="$MODS $(cat /lib/modules/$kernel/modules.$NAME |sed -e 's/.ko//')" >functions- fi > >Hm? What is this? Maybe it breaks when it sees libahci? >
Not sure, Luming is using dracut, I guess if this would be a bug of dracut, let me check the source code first...
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