Hi Mathieu,
Thank you for your quick response. The live CD seems to ignore the
"partman/alignment=cylinder" boot parameter.
Also when using partition manager from live CD i'm unable to create partitions
that will align cylinders. This evening i will try use GParted Live CD to
create partitions
Dennis,
This problem only appears when partitioning the hard disk drive using
the new Ubuntu. If you are upgrading from an earlier version using the
supported method (update manager), then the problem is probably
somewhere else. However, if you completely reinstalled using the new CD,
you could be
I am having same problem after upgrading from 9.10 to 10.4. BIOS hang on
detecting drives. Have to remove drive and clean it using another system to be
able to boot the system again. I got first ISO of 10.4 when i got released.
Yesterday i tried reinstalling it with live cd and added
"partman/al
Hi Scar,
The "problem"/feature made it into the release installer, but it has been noted
in the release notes. Consider yourself lucky to be able to change it to IDE
mode and clean the partitions.
To confirm this is the problem you have described, try installing Ubuntu from a
preseed file conta
is this related/the same as the problem i have described on the ubuntu-
server mailing list[1][2]?
i did not have any problems booting a freshly-installed ubuntu-server
system around May 1, 2010, but then a couple weeks later, on a second
server with identical hardware, the BIOS hung trying to det
I seem to be having the same issue with HP a530n desktop PC, ASUS K8N8X-
LA, HP/Compaq motherboard name: Diablo-UL6E with Ami BIOS and early
Athlon64 3200+ (2 GHz, 1024K cache) from 2004.
When I installed 64-bit 10.04 LTS w/grub on a 500 GB USB WD Passport, it
would boot fine on 2 laptops, but wou
nothing in fixed,after install lucid will not start
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Release note added:
== Partition alignment changes may break some systems ==
By default, Ubuntu 10.04 LTS aligns partitions on disk to 1 MiB (1048576
bytes) boundaries. This ensures maximum performance on many modern
disks, particularly solid state drives but also new "Advanced Format"
disks wit
I'd like to confirm that this fixes the problem on all symptomatic
systems I have used here. Thanks a lot for fixing this in such a short
time!
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Thanks for confirming! Opening a release notes task - we'll need to
document that alignment requirements may differ between systems, and
that partman/alignment=cylinder is a workaround for buggy BIOS
implementations or, I think, for co-installation of Windows XP and
older.
** Changed in: partman-
** Also affects: ubuntu-release-notes
Importance: Undecided
Status: New
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Adding the line to my preseed file *WORKED* on my main affected test machine.
I'm going to test all other affected systems tomorrow to make 100%, but I'm
pretty sure that fixed the problem!
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Putting it in a preseed file that way is fine too.
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You said to boot the installer with this option, does that mean I *must*
provide this as a kernel boot option or I can provide it in my preseed file
like this:
d-i partman/alignment select cylinder
(I guessed "select" by your commit to partman-base at
http://bazaar.launchpad.net/~ubuntu-branches
Sure! Thanks!
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With tomorrow's daily build (it's not in today's), could you please try
booting the installer with this additional option:
partman/alignment=cylinder
That should conclusively demonstrate whether it's optimal alignment or
some other change in Lucid causing this problem.
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Next to Marcos' article, I decided to try the Gigabyte 965GM-S2
motherboard and can confirm it is also affected (only when connected to
the Intel ICH8 controller). I did not expect this from an Intel AHCI
BIOS. See attached screenshot.
** Attachment added: "Screen shot 2010-04-12 at 9.27.37 AM.png
** Changed in: partman-base (Ubuntu Lucid)
Milestone: None => ubuntu-10.04
** Changed in: partman-base (Ubuntu Lucid)
Status: Incomplete => Confirmed
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I guess that would be the error message on a Gigabyte.
Tomorrow I'll try to see if we have any old pentium 4 gigabyte motherboards
laying around to test it!
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Related problem:
http://article.gmane.org/gmane.linux.ide/45294
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Here's the partition table listing from fdisk using the flags mentioned in the
previous post (dos compatibility flag off, units to sectors).
This is from a working 10.04 system installed using the preseed recipe:
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylind
Used Fedora 13 installation's fdisk (from util-linux 2.71.1), switched
the DOS compatibility flag to off (as recommended per the prompt) and
the units to sectors (again, recommended).
-Booted Fedora 13 installation CD.
-At the disk partitions step, switched to console 1 or 2 and started fdisk.
-St
It would be interesting to confirm definitively that the different
alignment is what's causing this, and not something else. I've been
planning to add a preseedable option for final release that would allow
you to select cylinder alignment rather than optimal alignment; while
this isn't ideal, it
Great read but here my drives are not using 4 KiB sectors. The page says
Fedora 13 uses the new libparted, supporting 4KiB sectors. I will
install it on this machine to see if it's affected too.
Thanks Marcos
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Might be useful:
https://ata.wiki.kernel.org/index.php/ATA_4_KiB_sector_issues
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** Package changed: ubuntu => partman-base (Ubuntu)
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Added Colin to subscribers since this is related to a recent update.
Don't hesitate to unsubscribe if this is unrelated, but I somehow think
it is.
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Possibly related to #530071 ?
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Here's parted "list" command, using stock versions (so 1.7.1 for 8.04
and 2.2 for 10.04):
8.04:
(parted) print
Disk /dev/sda: 160GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End SizeType
More updates...
Copying the first 446 bytes (GRUB 2 in the MBR) onto a fresh disk passes the
BIOS.
Copying the first 512 bytes (GRUB 2 + partition table) onto a fresh disk makes
it hang.
The problem is related to the partition table.
Here's the output for my partition recipe on Ubuntu 8.04 vs 1
Manual install with my custom partitions gave me the same thing...
primary /boot 200M
logical swap 2G
logical /tmp 2G
logical / rest
I think this has something to do with the BIOS and the MBR...
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Switched to ext4 and added these lines before "grub-install/only_debian":
d-i grub-installer/grub2_instead_of_grub_legacy boolean true
d-i grub-installer/make_active boolean true
Still not working.
I can't find what's wrong with my preseed... The weirdest part is that
the preseed work
*update* Installing without preseed, using "guided defaults" and all default
settings *works* fine.
Now, what in my preseed file make it fail on older boards and work on newer
ones?
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** Attachment added: "BIOS hung at disk detection"
http://launchpadlibrarian.net/42529326/Screen%20shot%202010-03-30%20at%202.46.06%20PM.png
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** Attachment added: "Preseed file used for installation"
http://launchpadlibrarian.net/42529398/ubuntu-lucid-plain.pxe
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