This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1994516
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1994516
Title:
Kernels after 5.16 cannot execute x32-ABI binaries
Status in linux package in Ubuntu:
Incomplete
Bug description:
The kernel configuration option CONFIG_X86_X32_ABI is outcommented for
kernel 5.17 and higher (amd64). x32 binaries are now reporting:
cannot execute binary file: Exec format error
The x32-ABI has its proven merits in some HPC tasks (e.g. link and GC
intensive tasks) because it saves CPU time and critical resources like
energy.
So, the following approach (e.g. Debian) looks more appropriate:
1. Include the x32-relevant code, but disable its use on standard
boots:
CONFIG_X86_X32=y
CONFIG_X86_X32_DISABLED=y
2. Users that must run x32 binaries can easily add the GRUB cmdline
option
syscall.x32=y
to enable x32 binaries.
This could be a good compromise between kernel complexity and resource
efficiency.
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