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Thread: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

  1. #1
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    Angry new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    This is just ridiculous.

    I upgraded my Wubi installation from 10.04 to 10.10 beta a few nights ago and everything was fine. Then I got an update last night (one which I can only assume contained 10.10's official release). I installed it and was asked to reboot (which I did). Upon rebooting it, I was able to reach the normal GRUB screen where it asks if I want to boot my Ubuntu or my Windows 7 OS. When I click Ubuntu's partition, it says something along the lines of this:

    Try(hd0,0) NTFS5: No wubildr
    Try(hd0,1):

    Then it instantly automatically restarts...no other messages or anything and I'm back to the Grub screen again...

    I can boot to Windows 7 just fine (Go figure).

    I've looked at a ton of forums and most people get the grub command line screen after having this problem. I don't. Most people also are able to hit insert to see more information. I can't.

    Could it be an outdated wubildr or that my grub file got updated somewhere so it's pointing to an old wubildr?

    Any information would be amazing!

  2. #2
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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!


  3. #3
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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    Alright so first off, Thank you so much! That definitely worked.

    Could you tell me why exactly though? I don't understand why it worked and if it was as simple as that, then why can't I just fix something in the grub.cfg file to make it work?

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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    I'd love to be able to explain this to you but getting information out of the developers is like extracting teeth.

    What's happened is that grub2 has introduced some new commands/functionality and this is supported by new modules that need to go in the wubildr. Up to a few days before 10.10's release the command to refresh the wubildr during the upgrade was missing 3 modules.

    In addition, wubildr wasn't being updated at all in some cases. The devs have explained that they don't know how to update wubildr when the wubi install is on a different partition than windows. But even on installs on the same partition, the wubildr didn't get updated (at least not in the tests I ran).

    When I manually updated my test wubi's wubildr, I just got a different error: 'no suitable mode found'.

    When you delete all those lines from grub.cfg it removes the new unsupported code along with probably a lot that will work, but really doesn't add anything that I've noticed.

    There was another problem introduced with 10.10. The \ubuntu\winboot\wubildr.cfg file was also not supported by the rescue grub module, and so a new wubildr-bootstrap.cfg was introduced to load that up. I haven't seen that being created for upgrades either so that is probably also an issue. (Again, I don't really have a deep understanding of this so take it with a grain of salt).

    NOTE: whenever you run update-grub or install a new kernel or remove an old one it will regenerate grub.cfg and you'll have to reapply the workaround unless a fix has been provided by then.

  5. #5
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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    OK I've just been told to post anew as I too have this problem which several people are having too and this seemed to be appropriate place to repost.

    I saw your recommendation bcbc but I'm just a simple point and click computer user and am not sure how to follow your instructions

    I have an Acer Aspire Laptop which came with Windows Vista Installed. I have been using Ubuntu on desktops and I like it and wanted to use Ubuntu on my laptop. I went to the Ubuntu website and got the then latest release 10.4.

    I was unaware that the installer would install Ubuntu INSIDE windows using Wubi. All I knew was that my new laptop now ran both Windows Vista and Ubuntu. I was pretty happy

    However along comes 10.10 telling me to upgrade and I blissfully follow the upgrade as I have made sure I update Ubuntu each day.

    Now I can't boot into Ubuntu (I get a very quick DOS like screen reporting some error or something and then the laptop goes back round to the start asking me which OS to boot up). The Windows boot up works fine but the Ubuntu option just puts me in this loop I believe that this is Wubi asking me what I want to boot. Till now I really hadn't any idea what Wubi was and was unaware I had it, it was just how my laptop booted up I always chose Ubuntu and just got on with replying to emails etc

    I need to get my Ubuntu working with the files I have on the machine already. There's lots of data that I really really really do NOT want to lose. How do I get my Ubuntu working again Please help me.

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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    Quote Originally Posted by Kelvin K View Post
    OK I've just been told to post anew as I too have this problem which several people are having too and this seemed to be appropriate place to repost.

    I saw your recommendation bcbc but I'm just a simple point and click computer user and am not sure how to follow your instructions

    I have an Acer Aspire Laptop which came with Windows Vista Installed. I have been using Ubuntu on desktops and I like it and wanted to use Ubuntu on my laptop. I went to the Ubuntu website and got the then latest release 10.4.

    I was unaware that the installer would install Ubuntu INSIDE windows using Wubi. All I knew was that my new laptop now ran both Windows Vista and Ubuntu. I was pretty happy

    However along comes 10.10 telling me to upgrade and I blissfully follow the upgrade as I have made sure I update Ubuntu each day.

    Now I can't boot into Ubuntu (I get a very quick DOS like screen reporting some error or something and then the laptop goes back round to the start asking me which OS to boot up). The Windows boot up works fine but the Ubuntu option just puts me in this loop I believe that this is Wubi asking me what I want to boot. Till now I really hadn't any idea what Wubi was and was unaware I had it, it was just how my laptop booted up I always chose Ubuntu and just got on with replying to emails etc

    I need to get my Ubuntu working with the files I have on the machine already. There's lots of data that I really really really do NOT want to lose. How do I get my Ubuntu working again Please help me.
    If you just want to get your data out of wubi the simplest way is to install ext2read 2.2 from http://ext2read.blogspot.com/ - I tried it once and apart from making my display a bit wonky allowed me to view and copy files from the wubi virtual disk (c:\ubuntu\disks\root.disk). It's a "read-only" view though so you can't update files.

    If you want to get wubi booting again, you need to download and burn an Ubuntu CD or USB and then boot it in Live CD mode (Select "Try without installing"). Then run bootinfoscript and post the results and I'll give you specific commands to get it booting. But note that the 'fix' is just a workaround and may need to be repeated. If you can retrieve all your data first, a reinstall is better. (PS Don't uninstall Ubuntu from Windows until you're sure you've got everything or it will all be deleted).

  7. #7
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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    Kelvin K - If you go on your windows partition and go to where the ubuntu folder is, you can actually go into that folder and go to disks. Your root.disk (i think that's what it is called) file actually has all of your data (files, etc) from Ubuntu on it. I have made it a habit of periodically making a backup of this file.

    As for how to fix the boot problem (if it is indeed like mine), you have to boot Ubuntu from a CD. Just put the CD in, restart your computer and boot from the CD instead of your hard drive (You should get a screen the second you turn your computer on that says the name of the manufacturer and somewhere on that screen it should say to press a function key to go to drive selection menu. Mine was F12). After you select to Boot from the CD to and select run Ubuntu as is (no install, just straight from the disk) go to that link bcbc provided and do exactly as it says to do when you click the loopmount link.

    I had to mess around a few times with the "sda1" thing in the instructions (I think mine was actually sda2) but if you just put in "sd" where the instructions say it and hit tab, it'll give you the options you can choose. You'll know it's the right partition number and disk letter when you can successfully go to the root.disk file in the following steps. Once this is "mounted" (which just means it's accessible from your current setup...CD in this case), you can enter the command "cd /" and "ls" and you should see that you can "cd vdisk" so that you can enter into the files that you are trying to access. (cd just means change directory and ls just lists the accessible folders/files from your present location. "/" is the root directory) Then you can type in what bcbc said (I had to use a different command to find the grub.cfg file and manipulate it because it was giving me a read only error... I used "vi" if you know how to use it. It doesn't matter how you go about changing the file as long as you find that grub.cfg file and are able to save your changes).

    PS, all of this is done in terminal.

    bcbc - That information helped, thank you. If you hear any more news about them fixing it, can you please post a reply on this forum? That would be amazing.

    Also, is there not a way to just manually update the wubildr? I know that I had to download a separate wubildr when I upgraded to 10.04 because UbuntuOS had some problems finding it because it wasn't in the first 4gb on my computer (or some bs like that...all I know is downloading wubildr and putting it where the instructions said fixed my problem). Shouldn't there be another workaround like that?

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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    Quote Originally Posted by marley07 View Post
    bcbc - That information helped, thank you. If you hear any more news about them fixing it, can you please post a reply on this forum? That would be amazing.

    Also, is there not a way to just manually update the wubildr? I know that I had to download a separate wubildr when I upgraded to 10.04 because UbuntuOS had some problems finding it because it wasn't in the first 4gb on my computer (or some bs like that...all I know is downloading wubildr and putting it where the instructions said fixed my problem). Shouldn't there be another workaround like that?
    I'll update as soon as I know what the fix is. I believe that we will need a fix to the lupin package (required for wubi) before it will work. Lupin gives a special override to the grub-install command that will update wubildr on the /host partition. I think this functionality was added after that 9.10 issue when they realized they had to be able to update wubildr on the fly.

    I think you're probably right that copying a wubildr from a good 10.10 install will work - but I haven't got around to testing it. It will probably have to be supplemented by the new wubildr-bootstrap.cfg.

    Here's the bug report https://bugs.launchpad.net/wubi/+bug/653134

  9. #9
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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    Pheeewwww!

    Thank you for the help. I'm currently making sure I get copies of all important photos that you can never repeat using the Ext2Read

    Excellent piece of software I'd definitely recommend anyone else get a copy of this for just such a rescue and I'm sure there will be thousands of people out there now with this problem

    I'll have a go at the booting Wubi via the CD option though the CDs I have are generally pretty old versions of Ubuntu but I'll try and get something more recent. Then I'll get the bootinfoscript working following your recommendations. I'm not into command line stuff so I hope I can do it as I haven't a clue what the commands are.

    Thank you bcbc and Marley07 both so much for your help so far it's very much appreciated and I'm certain there are many others out there with just the same problem.

    Once I've got the data and if I manage to get into ubuntu again via Wubi I'll definitely be making moves to get Ubuntu on a completely separate partition. It seems to me that this Wubi thing is nothing more than a liability

  10. #10
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    Re: new No Wubildr problem on Upgrade from 10.04 -> 10.10?!

    OK thanks to ext2read I've run in Windows I've copied the files I needed to onto another hard drive I've connected via USB. I've now booted up from a CD with Ubuntu 9.10 I found and grabbed a copy of bootinfoscript to the desktop.

    I've just run bootinfoscript like this....
    ubuntu@ubuntu:~$ sudo bash ~/Desktop/boot_info_script*.sh
    Identifying MBRs...
    Computing Partition Table of /dev/sda...
    Computing Partition Table of /dev/sdb...
    Searching sda1 for information...
    Searching sda2 for information...
    Searching sda2/Wubi for information...
    Searching sdb1 for information...
    Finished. The results are in the file RESULTS.txt located in /home/ubuntu/Desktop
    ubuntu@ubuntu:~$

    and the results are ....
    Boot Info Script 0.55 dated February 15th, 2010

    ============================= Boot Info Summary: ==============================

    => Windows is installed in the MBR of /dev/sda
    => No boot loader is installed in the MBR of /dev/sdb

    sda1: __________________________________________________ _______________________

    File system: vfat
    Boot sector type: Vista: Fat 32
    Boot sector info: No errors found in the Boot Parameter Block.
    Operating System:
    Boot files/dirs: /bootmgr /boot/bcd

    sda2: __________________________________________________ _______________________

    File system: ntfs
    Boot sector type: Windows Vista/7
    Boot sector info: No errors found in the Boot Parameter Block.
    Operating System: Windows Vista
    Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe
    /wubildr.mbr /ubuntu/winboot/wubildr.mbr /wubildr
    /ubuntu/winboot/wubildr /ubuntu/disks/root.disk
    /ubuntu/disks/swap.disk

    sda2/Wubi: __________________________________________________ _______________________

    File system: ext4
    Boot sector type: -
    Boot sector info:
    Mounting failed:
    mount: wrong fs type, bad option, bad superblock on /dev/loop1,
    missing codepage or helper program, or other error
    In some cases useful info is found in syslog - try
    dmesg | tail or so


    sdb1: __________________________________________________ _______________________

    File system: vfat
    Boot sector type: Windows XP: Fat32
    Boot sector info: No errors found in the Boot Parameter Block.
    Operating System:
    Boot files/dirs:

    =========================== Drive/Partition Info: =============================

    Drive: sda ___________________ __________________________________________________ ___

    Disk /dev/sda: 320.1 GB, 320072933376 bytes
    255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Disk identifier: 0x475adfff

    Partition Boot Start End Size Id System

    /dev/sda1 2,048 20,482,047 20,480,000 27 Hidden HPFS/NTFS
    /dev/sda2 * 20,482,048 625,139,711 604,657,664 7 HPFS/NTFS


    Drive: sdb ___________________ __________________________________________________ ___

    Disk /dev/sdb: 320.1 GB, 320072933376 bytes
    255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Disk identifier: 0x98599660

    Partition Boot Start End Size Id System

    /dev/sdb1 63 625,137,344 625,137,282 c W95 FAT32 (LBA)


    blkid -c /dev/null: __________________________________________________ __________

    Device UUID TYPE LABEL

    /dev/loop0 squashfs
    /dev/loop1 e41d5166-bf44-4439-bc62-abf014edeaae ext4
    /dev/sda1 EAEE-EB49 vfat PQSERVICE
    /dev/sda2 144044F24044DBDC ntfs ACER
    /dev/sdb1 6853-5BA9 vfat LaCie

    ============================ "mount | grep ^/dev output: ===========================

    Device Mount_Point Type Options

    aufs / aufs (rw)
    /dev/sr0 /cdrom iso9660 (rw)
    /dev/loop0 /rofs squashfs (rw)
    /dev/sdb1 /media/LaCie vfat (rw,nosuid,nodev,uhelper=devkit,uid=999,gid=999,sh ortname=mixed,dmask=0077,utf8=1,flush)


    Obviously I haven't much idea what to do with this info so I'd be really grateful if you can guide me through what to do next. Ideally I'd like to get Ubuntu up and running again from the laptop installation as I'd like to get all my emails, bookmarks, tomboynotes etc. Then when the dust has settled I'll put a separate partition in for Ubuntu. I will ditch Windows eventually but for the time being it's handy to have and it was already on the laptop anyway, it's better to have a planned migration of data rather than a forced one where you lose those bits you take for granted and forget about till you need them next.

    Thanks for helping!

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