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Subjectdisabling psp in bios causes errors in dmesg
Date
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


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