[Bug 1078407] Re: pdc fakeraid not recognized

[Guido van Loon]

cat /sys/block/sda/size
234375000

sudo dd if=/dev/sda count=1 | xxd
[sudo] password for guidol: 
0000000: eb63 9010 8ed0 bc00 b0b8 0000 8ed8 8ec0  .c..............
0000010: fbbe 007c bf00 06b9 0002 f3a4 ea21 0600  ...|.........!..
0000020: 00be be07 3804 750b 83c6 1081 fefe 0775  ....8.u........u
0000030: f3eb 16b4 02b0 01bb 007c b280 8a74 018b  .........|...t..
0000040: 4c02 cd13 ea00 7c00 00eb fe00 0000 0000  L.....|.........
0000050: 0000 0000 0000 0000 0000 0080 0100 0000  ................
0000060: 0000 0000 fffa 9090 f6c2 8074 05f6 c270  ...........t...p
0000070: 7402 b280 ea79 7c00 0031 c08e d88e d0bc  t....y|..1......
0000080: 0020 fba0 647c 3cff 7402 88c2 52bb 1704  . ..d|<.t...R...
0000090: 8027 0374 06be 887d e817 01be 057c b441  .'.t...}.....|.A
00000a0: bbaa 55cd 135a 5272 3d81 fb55 aa75 3783  ..U..ZRr=..U.u7.
00000b0: e101 7432 31c0 8944 0440 8844 ff89 4402  ..t21..D. at .D..D.
00000c0: c704 1000 668b 1e5c 7c66 895c 0866 8b1e  ....f..\|f.\.f..
00000d0: 607c 6689 5c0c c744 0600 70b4 42cd 1372  `|f.\..D..p.B..r
00000e0: 05bb 0070 eb76 b408 cd13 730d f6c2 800f  ...p.v....s.....
00000f0: 84d0 00be 937d e982 0066 0fb6 c688 64ff  .....}...f....d.
0000100: 4066 8944 040f b6d1 c1e2 0288 e888 f440  @f.D...........@
0000110: 8944 080f b6c2 c0e8 0266 8904 66a1 607c  .D.......f..f.`|
0000120: 6609 c075 4e66 a15c 7c66 31d2 66f7 3488  f..uNf.\|f1.f.4.
0000130: d131 d266 f774 043b 4408 7d37 fec1 88c5  .1.f.t.;D.}7....
0000140: 30c0 c1e8 0208 c188 d05a 88c6 bb00 708e  0........Z....p.
0000150: c331 dbb8 0102 cd13 721e 8cc3 601e b900  .1......r...`...
0000160: 018e db31 f6bf 0080 8ec6 fcf3 a51f 61ff  ...1..........a.
0000170: 265a 7cbe 8e7d eb03 be9d 7de8 3400 bea2  &Z|..}....}.4...
0000180: 7de8 2e00 cd18 ebfe 4752 5542 2000 4765  }.......GRUB .Ge
0000190: 6f6d 0048 6172 6420 4469 736b 0052 6561  om.Hard Disk.Rea
00001a0: 6400 2045 7272 6f72 0d0a 00bb 0100 b40e  d. Error........
00001b0: cd10 ac3c 0075 f4c3 f0a9 0200 0000 0004  ...<.u..........
00001c0: 0500 83fe ffff 0001 0000 00f9 941b 00fe  ................
00001d0: ffff 05fe ffff fefa 941b 02f8 1f00 0000  ................
00001e0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
00001f0: 0000 0000 0000 0000 0000 0000 0000 55aa  ..............U.
1+0 records in
1+0 records out
512 bytes (512 B) copied, 0.00180132 s, 284 kB/s

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https://bugs.launchpad.net/bugs/1078407

Title:
  pdc fakeraid not recognized

Status in “util-linux” package in Ubuntu:
  In Progress

Bug description:
  I have a fresh install of Ubuntu Desktop on my old Dell Dimension
  8300. This box has a Promise Fasttrak raid controller a.k.a. softraid
  or fakeraid.  It is setup with two identical drives in raid0, stiped.

  I had a hard time getting the installer to run without errors. Did all kind of manual steps to make the installer complete.
  I installed from a pendrive, booted the liveCD. Used dmraid -ay and gparted to partition the drive. Did nothing special with the partitions one swap and one root partition. The installer ends up grubbing my pendrive instead of my harddisk so I followed a manual to purge an reinstall grub2 on the correct disk here (http://ubuntuforums.org/showthread.php?t=1581099)

  Now when I boot, the computer shows a graphical off-black screen
  (ubuntu boot color???) and nothing happens. When I then reboot with
  Ctrl+Alt+Delete a second time. I get GNU GRUB menu and I choose
  "Ubuntu, with Linux 3.2.0-29-generic-pae". After a while I got thrown
  in busybox because of the root device was not found: ALERT! /dev/disk
  /by-uuid/8693f1c2-3eb1-41a4-ba10-3fbe860144a1 does not exist.

  When I type "dmraid -ay" [Enter]
  I see three messages like RAID set "pdc_ccgcdegci" was activated. 
  Press Crtl+D the computer will continue to boot normally.

  The next time I boot I need to reboot to get pass the off-black screen
  and into the GNU Grub menu again.

  I found bug report 941874, but I checked and the fixes described there seem to be in place on my machine...
  I tried the steps described in "http://www.humans-enabled.com/2012/03/how-to-fix-ubuntu-1204beta-boot-problem.html" to no avail.

  I'm new to the whole Ubuntu/linux thing and I just want my computer to
  boot without manual intervention. Please help.

  Thanx!

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