Mark wrote:

>Cross posting is not very polite. How should we, on this list, know if
>someone has helped you yet?
>  
>
By looking on the other groups it was posted to.

>This is the same as being in a grocery store, when a new counter row is
>opened and a big lady bumps everyone aside just to be the first one in
>the row. How rude.
>  
>
It's not even close to being the same thing.  If you don't want to reply 
to a question on the basis that it is cross-posted, feel free not to reply.

>Mark
>
>Joe Harvell 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
>>
>>    
>>

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