I can see this issue with node wright-kernel with 4.15.0-73 as well. [ 13.713166] zswap: loaded using pool lzo/zbud [ 13.752501] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ftrace_modify_code+0xb0/0xb0 [ 13.752501] [ 13.767397] CPU: 49 PID: 770 Comm: modprobe Not tainted 4.15.0-73-generic #82-Ubuntu [ 13.776262] Hardware name: Cavium ThunderX CRB/To be filled by O.E.M., BIOS 5.11 12/12/2012 [ 13.785815] Call trace: [ 13.789466] dump_backtrace+0x0/0x198 [ 13.794364] show_stack+0x24/0x30 [ 13.798936] dump_stack+0x98/0xbc [ 13.803514] panic+0x128/0x2a4 [ 13.807842] print_tainted+0x0/0xc0 [ 13.812629] ftrace_update_ftrace_func+0x0/0x48 [ 13.818499] ftrace_make_nop+0xf8/0x168 [ 13.823696] ftrace_process_locs+0x310/0x478 [ 13.829344] ftrace_module_init+0x30/0x38 [ 13.834757] load_module+0xff8/0x15f0 [ 13.839836] SyS_finit_module+0x100/0x118 [ 13.845290] el0_svc_naked+0x30/0x34 [ 13.850408] SMP: stopping secondary CPUs [ 13.855868] Kernel Offset: disabled [ 13.860862] CPU features: 0x00901108 [ 13.865960] Memory Limit: none [ 13.870594] ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ftrace_modify_code+0xb0/0xb0
** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Bionic) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1855059 Title: [Regression] 4.15.0-73.82 Can not boot ThunderX Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Confirmed Bug description: On ThunderX 1socket system. The kernel output log https://pastebin.ubuntu.com/p/35DGgPz5N4/ On ThunderX 2socket system, The kernel output log https://pastebin.ubuntu.com/p/T3fVzwxhmt/ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1855059/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp