Hi Ben, I made you a test kernel with the following commit reverted:
ubuntu-jammy-aws: f5be153733b4d3dab31e3660b54660f34ff90584 commit 44c76825d6eefee9eb7ce06c38e1a6632ac7eb7d Author: Kees Cook <[email protected]> Date: Fri Feb 16 22:25:43 2024 -0800 Subject: x86: Increase brk randomness entropy for 64-bit systems Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=44c76825d6eefee9eb7ce06c38e1a6632ac7eb7d Its not quite finished building yet, click this to make sure its finished before you go and install it: https://launchpad.net/~mruffell/+archive/ubuntu/lp2096782-test The Kernel is based on 6.8.0-1021-aws, for jammy HWE. There is no regular noble kernel here. Please note this package is NOT SUPPORTED by Canonical, and is for TESTING PURPOSES ONLY. ONLY Install in a dedicated test environment. Instructions to Install (On a jammy system): 1) sudo add-apt-repository ppa:mruffell/lp2096782-test 2) sudo apt update 3) sudo apt install linux-image-unsigned-6.8.0-1021-aws linux-modules-6.8.0-1021-aws linux-modules-extra-6.8.0-1021-aws linux-headers-6.8.0-1021-aws 4) sudo reboot 5) uname -rv Look for +TEST2096782v20250128b3 Can you try reproduce, and let me know if it looks okay? We will probably go for revert. The QEMU patch looks complex. Let me know if it works. Thanks, Matthew -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2096782 Title: Change in 22.04 kernel causes QEMU crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/2096782/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
