** Also affects: partman-auto (Ubuntu)
Importance: Undecided
Status: New
** Changed in: partman-auto (Ubuntu)
Status: New = Triaged
** Changed in: partman-auto (Ubuntu)
Importance: Undecided = High
** Changed in: partman-efi (Ubuntu)
Status: Confirmed = Triaged
**
** Branch linked: lp:~ubuntu-core-dev/partman-efi/ubuntu
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https://bugs.launchpad.net/bugs/811485
Title:
EFI SYSTEM PARTITION should be atleast 100 MiB size and formatted as
FAT32,
This bug was fixed in the package partman-auto - 93ubuntu21
---
partman-auto (93ubuntu21) precise; urgency=low
* Increase minimum size of EFI System Partitions to 100MB (LP: #811485).
-- Colin Watson cjwat...@ubuntu.com Wed, 14 Mar 2012 12:38:13 +
** Branch linked:
** Changed in: partman-efi (Ubuntu)
Status: Triaged = Fix Committed
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Title:
EFI SYSTEM PARTITION should be atleast 100 MiB size and
This bug was fixed in the package partman-efi - 24ubuntu3
---
partman-efi (24ubuntu3) precise; urgency=low
* On x86 architectures, create EFI system partitions using FAT32 rather
than FAT16, and require newly-created ones to have a minimum size of
34091008 bytes,
Adam, you've misread my comment about Windows and MBR. Allow me to
rephrase: When booted in BIOS mode, Windows will only install to or boot
from an MBR partition table (normally without a GPT, although Windows
treats hybrid MBR disks as MBR disks); and when booted in EFI mode,
Windows will only
Ah, I see what you mean.
HP appears to be breaking that paradigm, however, in that they have UEFI
firmware that supports legacy mode booting, and that they seem to be shipping
systems with normal MBR-style partition tables that nonetheless have EFI boot
partitions.
My understanding of how
I was bitten by this issue today when I tried to install Ubuntu 11.04.
There were some additional wrinkles that are worth mentioning in the
context of this bug report. The machine in question is an HP Elite
8200. It comes with Windows 7 64 bit installed, and uses EFI to boot.
The system disk has
Regarding the EFI partition size, I forgot to mention that the factory
installed EFI partition on the 8200 is 102400 blocks..
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https://bugs.launchpad.net/bugs/811485
Title:
EFI SYSTEM
Allen, Windows ties its boot support to the partition table type, so if
you have an MBR partition table, then Windows is booting in BIOS mode,
not in EFI mode. It's entirely possible that the Ubuntu installer
started up in EFI mode despite this, though, which could cause problems.
The best (or at
The EFI/BIOS distinction does apply to the Windows boot process, but it applies
ever earlier to the computer's IPL (initial program load - what the CPU
automatically starts executing after poweron). The presence or absence of an
MBR structure has no effect on whether a computer loads a legacy
I'm far from confident about this but running Ubuntu's installer on my
machine finally allowed me to boot from a GPT partitioned disk. Not
immediately because the installer crashed and although it wiped my EFI
system partition, it didn't get around to putting anything else in it
afterwards. And
I recommend that the ESP's size exceed 200 MiB. The reason is that some
boot loaders, such as ELILO, effectively require kernels to reside on
the ESP. There's also a patch to effectively make the Linux kernel its
own EFI boot loader, which would also require the kernel to reside on
the ESP. If
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: partman-efi (Ubuntu)
Status: New = Confirmed
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Title:
This bug still exists in 11.10 beta 2 -- or at least, it still creates a
FAT16 ESP. (I pre-partitioned the disk on my test install, so I don't
know if the partition size issue still exists.)
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Related bug : https://bugs.launchpad.net/ubuntu/+source/partman-
efi/+bug/769669
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https://bugs.launchpad.net/bugs/811485
Title:
EFI SYSTEM PARTITION should be atleast 100 MiB size and
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