Re: [gentoo-embedded] LVM install fails to boot in 2006.0 with no-nptl/2.4 profile

[Kelly Price]

You'll want the forums.  Take the elevator back down to the third
floor, http://forums.gentoo.org .  If you want a more interactive
responce, take it down to the lobby and hook up on the FreeNode IRC
Tram.  It should take you to #gentoo.

On 5/15/06, Joe Harvell <jharvell@××××××.net> wrote:
> I am in the process of installing Gentoo on an x86 from the 2006.0
> installer CD using the 2.4 kernel profile.  I created an LVM2 volume
> group with logical volumes / filesystems for '/', '/usr', '/var',
> '/opt', and '/home'.  I had no problems mounting those filesystems and
> then chrooting into that environment and performing the base install.  I
> compiled the 2.4.32-r4 kernel from gentoo-sources with no problems, and
> created the initial ram disk by hand so that I could bring up the LVM2
> volumes.
>
> The problem I am having is when I boot into the initrd.   I run vgscan
> with no apparent problems, and it finds the volume group.  When I run
> 'vgchange -ay <vgname>, I notice three problems:
>
> 1.  There are entries in /dev/mapper/<vgname>-<lvname>, but no symlinks
> in the form /dev/<vgname>/<lvname> --> /dev/mapper/<vgname>/<lvname>.  I
> run 'lvm vgmknodes' and it remedies this.
>
> 2. I see five complaints from 'vgchange -ay <vgname>' (one for each LV)
> as follows:
>
> on stderr:   device-mapper: table ioctl failed: Invalid argument
> on console (from dm-mod driver): device-mapper: one of name or uuid must
> be supplied, cmd (12)
>
> I ran vgchange under strace and here is the following snippet:
>
> open("/dev/mapper/control", O_RDWR|O_LARGEFILE) = 9
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> mlockall(MCL_CURRENT|MCL_FUTURE)        = 0
> brk(0x8936000)                          = 0x8936000
> brk(0x8b1e000)                          = 0x8b1e000
> getpriority(PRIO_PROCESS, 0)            = 20
> setpriority(PRIO_PROCESS, 0, -18)       = 0
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> ioctl(9, DM_DEV_STATUS, 0x8109958)      = -1 ENXIO (No such device or
> address)
> stat64("/dev/ide/host0/bus0/target0/lun0/part10", {st_mode=S_IFBLK|0600,
> st_rdev=makedev(3, 10), ...}) = 0
> stat64("/dev/ide/host0/bus0/target0/lun0/part11", {st_mode=S_IFBLK|0600,
> st_rdev=makedev(3, 11), ...}) = 0
> stat64("/dev/ide/host0/bus0/target0/lun0/part12", {st_mode=S_IFBLK|0600,
> st_rdev=makedev(3, 12), ...}) = 0
> ioctl(9, DM_DEV_CREATE, 0x8109958)      = 0
> ioctl(9, DM_TABLE_STATUS, 0x8109958)    = -1 EINVAL (Invalid argument)
> write(2, "  ", 2)                       = 2
> write(2, "device-mapper: table ioctl faile"..., 51) = 51
> write(2, "\n", 1)                       = 1
>
> 3.  When I try to mount the filesystem in that LV, it fails.  I tried
> with different filesystem types and it's the same result.  From within
> the 2.4 kernel based initrd, it fails.  If I reboot into the 2.6 kernel
> based installer environment, no problem.
>
> This looks like an incompatibility between the lvm2 and/or device-mapper
> library code and the kernel device-mapper code.  Here are the versions
> installed in the new installation and its initrd:
>
> lvm2-2.02.05
> device-mapper-1.02.03
> gentoo-sources-2.4.32-r4
>
> livecd 2.4 # ls -l /etc/make.profile
> lrwxrwxrwx  1 root root 51 May 11 18:09 /etc/make.profile ->
> /usr/portage/profiles/default-linux/x86/no-nptl/2.4
>
> --
> gentoo-embedded@g.o mailing list
>
>


-- 
Kelly "STrRedWolf" Price
http://strredwolf.furrynet.com

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