FYI, we noticed the below changes on https://github.com/fyu1/linux.git xsaves_fix_1 commit 00abd21851c30b12b8463a337c920cdc0aa7e2d1 ("x86/xsaves: Define and use user_xstate_size for xstate size in signal context") +-----------------------------------------------------------+------------+------------+ | | 67966aacf6 | 00abd21851 | +-----------------------------------------------------------+------------+------------+ | boot_successes | 6 | 1 | | boot_failures | 10 | 13 | | IP-Config:Auto-configuration_of_network_failed | 10 | | | Kernel_panic-not_syncing:Attempted_to_kill_init!exitcode= | 0 | 13 | | backtrace:do_group_exit | 0 | 13 | | backtrace:SyS_exit_group | 0 | 13 | +-----------------------------------------------------------+------------+------------+ [ 2.423172] Freeing unused kernel memory: 1012K (ffffffff8249f000 - ffffffff8259c000) [ 2.429032] random: init urandom read with 3 bits of entropy available [ 2.436423] init[1]: segfault at 0 ip (null) sp 00007fff1dcbc420 error 14 in init[55654d225000+26000] [ 2.439575] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000b00 [ 2.439575] [ 2.440012] CPU: 1 PID: 1 Comm: init Not tainted 4.0.0-07590-gd04c8ff #2 [ 2.440012] ffff8800148bbec8 ffff8800148bbdf8 ffffffff817951f6 0000000000000048 [ 2.440012] ffffffff81a46bf8 ffff8800148bbe78 ffffffff81792b93 ffff8800148b4000 [ 2.440012] ffffffff00000010 ffff8800148bbe88 ffff8800148bbe28 ffff8800148bbe78 [ 2.440012] Call Trace: [ 2.440012] [] dump_stack+0x4c/0x65 [ 2.440012] [] panic+0xc8/0x208 [ 2.440012] [] do_exit+0xaf5/0xb40 [ 2.440012] [] do_group_exit+0x4f/0xe0 [ 2.440012] [] SyS_exit_group+0xf/0x10 [ 2.440012] [] system_call_fastpath+0x12/0x76 [ 2.440012] Kernel Offset: disabled Elapsed time: 5 Thanks, Ying Huang