The Precise Pangolin has reached end of life, so this bug will not be
fixed for that release
** Changed in: linux (Ubuntu Precise)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/1063061
Title:
please backport support for EFI vars > 1KB
Status in linux package in Ubuntu:
Fix Released
Status in mountall package in Ubuntu:
Fix Released
Status in sbsigntool package in Ubuntu:
Fix Released
Status in linux source package in Precise:
Won't Fix
Status in mountall source package in Precise:
Won't Fix
Status in sbsigntool source package in Precise:
Invalid
Status in linux source package in Quantal:
Fix Released
Status in mountall source package in Quantal:
Fix Released
Status in sbsigntool source package in Quantal:
Fix Released
Bug description:
[Impact]
This is needed for full hardware enablement of 12.04 on SecureBoot systems.
Without this change, management of the SecureBoot revocation database is not
possible from Ubuntu userspace (at least, not out of the box).
[Test Case]
On EFI-enabled hardware:
1. verify that /sys/firmware/efi/efivars is not mounted at boot time.
2. install both linux-image-generic-lts-quantal and mountall from proposed.
3. reboot.
4. verify that /sys/firmware/efi/efivars is now mounted.
[Regression potential]
Minimal; as this uses mountall's notion of 'optional' filesystems, the
filesystem will simply be skipped if the mountpoint does not exist or the
filesystem is not supported by the running kernel.
As of Linux 3.5, it is not possible to update the SecureBoot database
from userspace because the sysfs implementation only supports variable
data up to 1KB in size and this is exceeded by even a minimum key
database of one key.
Matt Fleming has accepted a patch from Matthew Garrett to add a new
filesystem that supports larger variables. Please consider
backporting this (as an SRU) to both quantal and precise.
https://lkml.org/lkml/2012/10/5/22
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