Comment # 48 on bug 949796 from CHAUFOURNIER J�r�me

I've got the same bug since OpenSUSE 13.1. On each upgrade, the installer
complains about udev mounted by kernel device. On OpenSUSE Leap too. The
difference is that Yast cannot load the bootloader configuration under OpenSUSE
LEAP 42.1 :

2015-12-05 13:54:14 <1> Spirit(17430) [Ruby] routines/lib_iface.rb:250 Reading
device mapping
2015-12-05 13:54:15 <1> Spirit(17430) [Ruby] routines/lib_iface.rb:262 Read
device mapping:
$["/dev/disk/by-id/ata-Hitachi_HDS721050CLA362_JPB540HA0K0H8B":"hd0",
"/dev/disk/by-id/ata-ST3160811AS_6PT14L2J":"hd1"]
2015-12-05 13:54:15 <1> Spirit(17430) [Ruby] bootloader/udev_mapping.rb:63
/dev/disk/by-id/ata-Hitachi_HDS721050CLA362_JPB540HA0K0H8B looked as kernel
device name: /dev/sda
2015-12-05 13:54:15 <1> Spirit(17430) [Ruby] bootloader/udev_mapping.rb:83
mount by: id
2015-12-05 13:54:15 <1> Spirit(17430) [Ruby] bootloader/udev_mapping.rb:63
/dev/disk/by-id/ata-ST3160811AS_6PT14L2J looked as kernel device name: /dev/sdb
2015-12-05 13:54:15 <1> Spirit(17430) [Ruby] bootloader/udev_mapping.rb:83
mount by: id
2015-12-05 13:54:15 <3> Spirit(17430) [Ruby] yast/wfm.rb:202 Client call failed
with 'Unknown udev device /dev/disk/by-id/wwn-0x5000cca371c7bc28-part4' and
backtrace ["/usr/share/YaST2/lib/bootloader/udev_mapping.rb:42:in
`to_kernel_device'", "/usr/share/YaST2/modules/BootCommon.rb:201:in `block in
Read'", "/usr/lib64/ruby/vendor_ruby/2.1.0/yast/builtins.rb:518:in `call'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/builtins.rb:518:in `block in mapmap'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/builtins.rb:517:in `each'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/builtins.rb:517:in `mapmap'",
"/usr/share/YaST2/modules/BootCommon.rb:199:in `Read'",
"/usr/share/YaST2/modules/BootGRUB2.rb:58:in `Read'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/fun_ref.rb:33:in `call'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/fun_ref.rb:33:in `call'",
"/usr/share/YaST2/include/bootloader/routines/switcher.rb:70:in `blRead'",
"/usr/share/YaST2/modules/Bootloader.rb:195:in `Read'",
"/usr/share/YaST2/include/bootloader/routines/dialogs.rb:52:in `ReadDialog'",
"/usr/share/YaST2/include/bootloader/routines/wizards.rb:94:in `block in
BootloaderSequence'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/builtins.rb:542:in `call'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/builtins.rb:542:in `eval'",
"/usr/share/YaST2/modules/Sequencer.rb:263:in `WS_run'",
"/usr/share/YaST2/modules/Sequencer.rb:335:in `block in Run'",
"/usr/share/YaST2/modules/Sequencer.rb:327:in `loop'",
"/usr/share/YaST2/modules/Sequencer.rb:327:in `Run'",
"/usr/share/YaST2/include/bootloader/routines/wizards.rb:115:in
`BootloaderSequence'", "/usr/share/YaST2/clients/bootloader.rb:117:in
`GuiHandler'", "/usr/lib64/ruby/vendor_ruby/2.1.0/yast/fun_ref.rb:33:in
`call'", "/usr/lib64/ruby/vendor_ruby/2.1.0/yast/fun_ref.rb:33:in `call'",
"/usr/share/YaST2/modules/CommandLine.rb:1541:in `Run'",
"/usr/share/YaST2/clients/bootloader.rb:105:in `main'",
"/usr/share/YaST2/clients/bootloader.rb:190:in `<top (required)>'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/wfm.rb:189:in `eval'",
"/usr/lib64/ruby/vendor_ruby/2.1.0/yast/wfm.rb:189:in `run_client'"]
2015-12-05 13:54:15 <3> Spirit(17430) [Ruby] yast/wfm.rb:207 Internal error.
Please report a bug report with logs.
Details: Unknown udev device /dev/disk/by-id/wwn-0x5000cca371c7bc28-part4
Caller:  /usr/share/YaST2/lib/bootloader/udev_mapping.rb:42:in
`to_kernel_device'
2015-12-05 13:54:15 <1> Spirit(17430) [ui] YPushButton.cc(setFunctionKey):202
Guessing button role YOKButton for YPushButton "OK" at 0x7fc3503a0540 from
function key F10


No WWN r�f�rences in my grub configuration :

Spirit:/var/log/YaST2 # cd /boot/grub2
Spirit:/boot/grub2 # grep wwn *
Spirit:/boot/grub2 # grep wwn */*
Spirit:/boot/grub2 # grep wwn */*/*
Spirit:/boot/grub2 # grep by-id *
grep: backgrounds: Is a directory
device.map:(hd1)        /dev/disk/by-id/scsi-SATA_ST3160811AS_6PT14L2J
device.map:(hd0)       
/dev/disk/by-id/ata-Hitachi_HDS721050CLA362_JPB540HA0K0H8B
Spirit:/boot/grub2 # grep "/dev/sd" *
device.map.old:(hd0)    /dev/sda
device.map.old:(hd1)    /dev/sdb
grub.cfg:menuentry 'Microsoft Windows XP Professionnel (on /dev/sda1)' --class
windows --class os $menuentry_id_option 'osprober-chain-3C441846441804F4' {
grub.cfg.20151111:menuentry 'Microsoft Windows XP Professionnel (sur
/dev/sda1)' --class windows --class os $menuentry_id_option
'osprober-chain-3C441846441804F4' {