Le 10/06/21 à 14:29, Jarkko Sakkinen a écrit :
On Thu, Jun 10, 2021 at 01:35:47PM +0200, Laurent Bigonville wrote:
# dmesg |grep -i tpm
[ 13.019986] tpm_tis 00:06: 1.2 TPM (device-id 0x6871, rev-id 1)
[ 15.016198] tpm tpm0: tpm_try_transmit: send(): error -62
[ 15.016208] tpm tpm0: A TPM error (-62) occurred attempting to determine
the timeouts
[ 15.016239] tpm_tis: probe of 00:06 failed with error -62
[ 15.053255] tpm_inf_pnp 00:06: Found TPM with ID IFX0102
If possible, can you check what happens when you apply the attached patch.
I'm not proposing it as a bug fix but it just simplifies the flow a lot,
and might help to observe something.
With the patch on the top of HEAD of master and the patch from your
branch, I'm getting this:
[ 13.140548] tpm tpm0: invalid TPM_STS.x 0xa0, dumping stack for forensics
[ 13.140617] CPU: 4 PID: 462 Comm: systemd-udevd Tainted: G I
E 5.13.0-rc5+ #7
[ 13.140621] Hardware name: System manufacturer System Product
Name/P6T DELUXE V2, BIOS 0406 04/24/2009
[ 13.140623] Call Trace:
[ 13.140628] dump_stack+0x76/0x94
[ 13.140637] tpm_tis_status.cold+0x19/0x20 [tpm_tis_core]
[ 13.140643] tpm_transmit+0x15f/0x3d0 [tpm]
[ 13.140657] tpm_transmit_cmd+0x25/0x90 [tpm]
[ 13.140666] tpm2_probe+0xe2/0x140 [tpm]
[ 13.140676] tpm_tis_core_init+0x1d7/0x2ba [tpm_tis_core]
[ 13.140681] ? tpm_tis_init.part.0+0x130/0x130 [tpm_tis]
[ 13.140688] tpm_tis_pnp_init+0xe1/0x110 [tpm_tis]
[ 13.140695] pnp_device_probe+0xaf/0x140
[ 13.140702] really_probe+0xf2/0x460
[ 13.140708] driver_probe_device+0xe8/0x160
[ 13.140712] device_driver_attach+0xa1/0xb0
[ 13.140716] __driver_attach+0x8f/0x150
[ 13.140720] ? device_driver_attach+0xb0/0xb0
[ 13.140723] ? device_driver_attach+0xb0/0xb0
[ 13.140726] bus_for_each_dev+0x78/0xc0
[ 13.140730] bus_add_driver+0x12b/0x1e0
[ 13.140734] driver_register+0x8b/0xe0
[ 13.140738] ? 0xffffffffc11c4000
[ 13.140741] init_tis+0xa0/0x1000 [tpm_tis]
[ 13.140748] do_one_initcall+0x44/0x1d0
[ 13.140754] ? kmem_cache_alloc_trace+0x119/0x240
[ 13.140759] do_init_module+0x5c/0x260
[ 13.140764] __do_sys_finit_module+0xb1/0x110
[ 13.140769] do_syscall_64+0x40/0xb0
[ 13.140775] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 13.140780] RIP: 0033:0x7f082957b9b9
[ 13.140783] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f
05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a7 54 0c 00 f7 d8 64 89 01 48
[ 13.140786] RSP: 002b:00007fffd1b5a048 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[ 13.140791] RAX: ffffffffffffffda RBX: 000055bd4f3f6960 RCX:
00007f082957b9b9
[ 13.140793] RDX: 0000000000000000 RSI: 00007f0829706e2d RDI:
0000000000000012
[ 13.140796] RBP: 0000000000020000 R08: 0000000000000000 R09:
000055bd4f238350
[ 13.140798] R10: 0000000000000012 R11: 0000000000000246 R12:
00007f0829706e2d
[ 13.140800] R13: 0000000000000000 R14: 000055bd4f2381c0 R15:
000055bd4f3f6960
[ 13.141844] tpm_tis 00:06: 1.2 TPM (device-id 0x6871, rev-id 1)
# dmesg |grep -i tpm
[...]
[ 15.140121] tpm tpm0: tpm_try_transmit: send(): error -62
[ 15.141852] tpm tpm0: A TPM error (-62) occurred attempting to
determine the timeouts
[ 15.143596] tpm_tis: probe of 00:06 failed with error -62
[ 15.185451] tpm_inf_pnp 00:06: Found TPM with ID IFX0102
