[Bug 1078407] Re: pdc fakeraid not recognized

[Guido van Loon]

sudo fdisk -lu /dev/sda realy does not give any output.
sudo fdisk -lu gives the following output: "fdisk: unable to seek on /dev/sda: Invalid argument"

I've attached the results of dmesg > boot.messages. Near the end of this
file you can find stuff about sda, sdb. Here are some lines that looked
interesting to me... Although I don't have a clue of what to do with
this information.

[    6.150644]  sda: sda1 sda2 < >
[    6.150650] sda: partition table partially beyond EOD, enabling native capacity
[    6.151314]  sda: sda1 sda2 < >
[    6.151318] sda: partition table partially beyond EOD, truncated
[    6.151325] sda: p1 size 462747904 extends beyond EOD, truncated
[    6.151427] sda: p2 start 462748414 is beyond EOD, truncated
[    6.151865] sd 4:0:0:0: [sda] Attached SCSI disk
[    6.672041] ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[    6.680571] ata6.00: ATA-6: ST3120026AS, 8.05, max UDMA/133
[    6.680575] ata6.00: 234375000 sectors, multi 0: LBA48 
[    6.696575] ata6.00: configured for UDMA/133
[    6.696724] scsi 5:0:0:0: Direct-Access     ATA      ST3120026AS      8.05 PQ: 0 ANSI: 5
[    6.697044] sd 5:0:0:0: [sdb] 234375000 512-byte logical blocks: (120 GB/111 GiB)
[    6.697139] sd 5:0:0:0: Attached scsi generic sg3 type 0
[    6.697207] sd 5:0:0:0: [sdb] Write Protect is off
[    6.697214] sd 5:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[    6.697288] sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    6.716451]  sdb: sdb1 < >
[    6.716929] sd 5:0:0:0: [sdb] Attached SCSI disk
[   41.421548] EXT4-fs (dm-1): mounted filesystem with ordered data mode. Opts: (null)

Is there anything else I can run for you?

I can try to re-install and write down the steps I take to partition my
disks in case the problem still exists after re-installing. But then we
might lose this particular setup and we can't debug it any further...

** Attachment added: "boot.messages"
   https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1078407/+attachment/3445368/+files/boot.messages

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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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