[Linux-disciples] Grub "error 22" when external USB drive plugged in

[Adam Rosi-Kessel]

Yeah, i've had this same problem. I do think the solution is referencing 
all partitions by uuid, not just the linux ones. I believe you would 
just use the uuid's from your list below that correspond to the Windows 
drives. An easier way to do it might be to assign a label to the drives, 
which GRUB also supports. (In Windows, you would just do that in the 
drive properties; in Linux, I believe tune2fs -L is the command you want).

Karl Sokol wrote, on 11/29/2008 5:12 PM:
> Happy Thanksgiving to all!!!
> 
> Black Friday fallout...
> 
> I have a working, dual-boot Ubuntu 8.10 and Vista64 setup.  Vista 
> resides on an internal hard drive and Linux is on a partition on an 
> external USB Drive.  I have yet another external USB drive.  If it is 
> plugged in at startup, I get an "error 22".  No finagling with the BIOS 
> has any effect.  The drive works when plugged in after startup.
> 
> According to this helpful post: 
> http://ubuntuforums.org/showthread.php?t=594657&page=2 
> <http://ubuntuforums.org/showthread.php?t=594657&page=2> , it seems that 
> the problem is a re-assigning of drive names at start up.  My menu.lst 
> is below...
> 
> ## ## End Default Options ##
> 
> title        Ubuntu 8.10, kernel 2.6.27-7-generic
> uuid        60559370-de24-46be-a7a2-189626e5137d
> kernel        /boot/vmlinuz-2.6.27-7-generic 
> root=UUID=60559370-de24-46be-a7a2-189626e5137d ro
> initrd        /boot/initrd.img-2.6.27-7-generic
> quiet
> 
> title        Ubuntu 8.10, kernel 2.6.27-7-generic (recovery mode)
> uuid        60559370-de24-46be-a7a2-189626e5137d
> kernel        /boot/vmlinuz-2.6.27-7-generic 
> root=UUID=60559370-de24-46be-a7a2-189626e5137d ro  single
> initrd        /boot/initrd.img-2.6.27-7-generic
> 
> title        Ubuntu 8.10, memtest86+
> uuid        60559370-de24-46be-a7a2-189626e5137d
> kernel        /boot/memtest86+.bin
> quiet
> 
> ### END DEBIAN AUTOMAGIC KERNELS LIST
> 
> # This is a divider, added to separate the menu items below from the Debian
> # ones.
> title        Other operating systems:
> root
> 
> 
> # This entry automatically added by the Debian installer for a non-linux OS
> # on /dev/sda1
> title        Windows Vista/Longhorn (loader)
> root        (hd0,0)
> savedefault
> makeactive
> chainloader    +1
> 
> 
> # This entry automatically added by the Debian installer for a non-linux OS
> # on /dev/sda2
> title        Windows Vista/Longhorn (loader)
> root        (hd0,1)
> savedefault
> makeactive
> chainloader    +1
> 
> 
> As you can see, the Linux bits are already assigned a UUID, rather than 
> a moveable name.  Do I need to do the same with the Windows entries?  If 
> so, what will the root line look like?  If not, what can I do?  I know 
> it is not life or death to have to plug/unplug a drive, but in my setup, 
> it is sort of a pain.
> 
> karl at karl-desktop:~$ sudo blkid
> [sudo] password for karl:
> /dev/sda1: UUID="7E14C3E414C39E11" LABEL="PQSERVICE" TYPE="ntfs"
> /dev/sda2: UUID="8CF67A0AF679F534" LABEL="OS" TYPE="ntfs"
> /dev/sdg1: UUID="D4C4C110C4C0F5B0" LABEL="Workshop" TYPE="ntfs"
> /dev/sdf1: UUID="52A0A6AEA0A697CD" LABEL="Storage" TYPE="ntfs"
> /dev/sdf2: UUID="60559370-de24-46be-a7a2-189626e5137d" TYPE="ext3"
> /dev/sdf5: TYPE="swap" UUID="b88d7b1d-c973-45bf-a536-9744b58b7252"
> 
> 
> Anybody come across this or have an idea?
> 
> -- 
> Grace and Peace,
> 
> Rev. Karl Sokol
> Franklin Grove UMC
> 
> 
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