** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu Precise)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1111689
Title:
Due to possibly "bricking" the system, the samsung-laptop driver
should not be allowed to run if booting from EFI
Status in “linux” package in Ubuntu:
Invalid
Status in “linux” source package in Precise:
Fix Released
Status in “linux” source package in Quantal:
Fix Released
Bug description:
SRU Justification:
Impact:
With the existing code there is still the chance that the samsung-laptop
driver can run if the given system is booting a 32-bit kernel with 64-bit EFI
firmware (or vice versa). This
can lead to a system that is "bricked" and can not be recovered.
Fix:
First, we will need to revert the existing commit we have for the
samsung-laptop/EFI
issue:
2fe5d5c565ad7ed16d5a01eee1f03dfd91dfa6a0 (Quantal tree)
Then we need to cherry-pick/backport the following two commits from Linus'
tree
83e68189745ad931c2afd45d8ee3303929233e7f
e0094244e41c4d0c7ad69920681972fc45d8ce34
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