** Description changed:

  I'm currently running UNR, Karmic, upgraded from Jaunty with whole
- disk/LVM encryption.  I have two partitions, a small, 100MB non-
+ disk/LVM encryption.  I have two partitions, a small, 200MB non-
  encrypted /boot, and then swap and / wrapped in an LVM+encryption.
  Kernel 2.6.31-9 boots normally, but the latest 2.6.31-10 gives a kernel
- panic error 1 second into boot.  Pressing ctrl+alt+f1 leads me to
- believe it's having trouble mounting the encrypted sda2 so I can enter
- my passphrase to unencrypt it.  Recovery Mode for *-10 fails as well.
+ panic error 1 second into boot.
+ 
+ Full Error:
+ Kernel panic - not syncing: VFS: Unable to mount fs on unknown-block(0,0)
+ 
+ When booting into recovery mode (--quiet is off?) the last page to display is:
+ VFS: Cannot open root device "mapper/crypt-root" or unknown-block (0,0)
+ Please append a correct "root=" boot option; here are the available 
partitions:
+ 0800    15046920     sda driver: sd
+ 0801     192748    sda1
+ 0802    14852092    sda2
+ Kernel panic - not syncing: VFS: Unable to mount fs on unknown-block(0,0)
+ pid: 1, comm: swapper Not tainted 2.6.31-10-generic #32-Ubuntu
+ Call Trace:
+ [<c0568b6e>]  ?  printk+0x18/0x1a
+ [<c0568ab2>]  panic+0x43/0xe7
+ [<c0785cf3>]  mount_block_root+0x1d9/0x272
+ [<c01ee167>]  ?  sys_mknod+0x27/0x30
+ [<c0785de5>]  mount_root+0x59/0x5f
+ [<c0785f39>]  prepare_namespace+0x14e/0x188
+ [<c01e1640>]  ?  sys_access+0x20/0x30
+ [<c07853fa>]  kernel_init+0xb2/0xbe
+ [<c0785348>]  ?  kernel_init+0x0/0xbe
+ [<c0103f17>]  kernel_thread_helper+0x7/0x10
+ 
+ Not sure if this has anything to do with it, but I just remembered that
+ during the dist-upgrade, grub didn't update, and during the reboot I had
+ to force shutdown.  When Ubuntu came back, I had to manually run sudo
+ update-grub because *-10 wasn't showing up.  When I did it, it said I
+ had made changes and asked if I wanted to take the package maintainers
+ version.  I had NOT made changes (that I'm aware of, other than
+ automatic upgrades), so I took the package maintainers version.

-- 
2.6.31-10 Kernel Panic during Karmic boot
https://bugs.launchpad.net/bugs/429778
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