DF-2446 / boot_unpatched.log
Device Mapper version 4.16.0 loaded dm_target_error: Successfully initialized dm_target_zero: Successfully initialized Fatal user address access from kernel mode from dm_uninit_msg at ffffffff80657ec5 Fatal trap 12: page fault while in kernel mode cpuid = 2; lapic id = 2 fault virtual address = 0x2e2e7a4a7054 fault code = supervisor read data, page not present instruction pointer = 0x8:0xffffffff80657ec5 stack pointer = 0x10:0xfffff80118f69648 frame pointer = 0x10:0xfffff80118f69678 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 0, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 987 current thread = pri 6 kernel: type 12 trap, code=0 CPU2 stopping CPUs: 0x0000003b stopped Stopped at _kfree+0x45: movl 0x54(%rax),%r13d db>