Hi,
this is tested on kernel 4.17.14
hw:
MSI X399 GAMING PRO CARBON AC (MS-7B09) bios 1.A0
AMD Ryzen Threadripper 1950X
Disabling psp in bios gets this in the logs:
[ 246.748978] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 246.748978] systemd-udevd D 0 724 716 0x80000124
[ 246.748980] Call Trace:
[ 246.748986] ? __schedule+0x234/0x840
[ 246.748988] schedule+0x28/0x80
[ 246.748993] __sev_do_cmd_locked+0x1f0/0x270 [ccp]
[ 246.748996] ? wait_woken+0x80/0x80
[ 246.748997] ? 0xffffffffc0683000
[ 246.749001] __sev_platform_init_locked+0x2f/0x80 [ccp]
[ 246.749001] ? mutex_lock+0xe/0x30
[ 246.749004] sev_platform_init+0x1d/0x30 [ccp]
[ 246.749007] psp_pci_init+0x40/0xe0 [ccp]
[ 246.749008] ? 0xffffffffc0683000
[ 246.749011] sp_mod_init+0x16/0x1000 [ccp]
[ 246.749012] do_one_initcall+0x46/0x1c3
[ 246.749014] ? _cond_resched+0x15/0x30
[ 246.749017] ? kmem_cache_alloc_trace+0x3a/0x170
[ 246.749019] do_init_module+0x5a/0x210
[ 246.749020] load_module+0x215b/0x2530
[ 246.749021] ? kmem_cache_alloc_node_trace+0x45/0x190
[ 246.749024] ? vmap_page_range_noflush+0x24d/0x320
[ 246.749026] ? __do_sys_init_module+0x136/0x180
[ 246.749026] ? _cond_resched+0x15/0x30
[ 246.749027] __do_sys_init_module+0x136/0x180
[ 246.749029] do_syscall_64+0x55/0x100
[ 246.749031] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 246.749032] RIP: 0033:0x7ffb1a09018a
[ 246.749033] RSP: 002b:00007ffe196680c8 EFLAGS: 00000246 ORIG_RAX:
00000000000000af
[ 246.749034] RAX: ffffffffffffffda RBX: 00005562bb20d080 RCX:
00007ffb1a09018a
[ 246.749034] RDX: 00007ffb1994e6f8 RSI: 0000000000029e50 RDI:
00005562bba5e710
[ 246.749035] RBP: 00007ffb1994e6f8 R08: 0000000000000004 R09:
0000000000000000
[ 246.749035] R10: 0000000000000005 R11: 0000000000000246 R12:
00005562bba5e710
[ 246.749036] R13: 0000000000020000 R14: 00005562bb1fde70 R15:
00005562bb20d080
Should it not detect that its disabled and bail out ?
--
Thomas
