[Bug 219495] [TPM2] tpm_tis driver crashs during the boot time.

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219495

--- Comment #9 from andy.liang@hpe.com ---
(In reply to jarkko from comment #6)
> I'll enumerate the questions because there were many in the previous
> comment. Ignore the questions in that, and answer these instead (just to
> help you out):
> 
> 1. I assume you got the binary bios measurements after applying your fix. Is
> this true?
Yes, the binary is from the fixed machine.

Here is the output without patch
[root@localhost Documents]# dmesg | grep tpm
[    9.911537] tpm_tis STM0925:00: 2.0 TPM (device-id 0x3, rev-id 0)
[    9.944535]  ? tpm_read_log_acpi+0x93/0x1e0
[    9.944578]  tpm_read_log_acpi+0x93/0x1e0
[    9.944586]  tpm_bios_log_setup+0x48/0x1e0
[    9.944593]  tpm_chip_register+0x38/0x210
[    9.944603]  tpm_tis_core_init.cold+0x2a7/0x45d
[    9.944613]  tpm_tis_plat_probe+0xd8/0x100
[   20.044163] intel_uncore_frequency_tpmi intel_vsec.tpmi-uncore.2: Uncore:
Ignore: Unsupported minor version:2
[   20.044241] intel_uncore_frequency_tpmi intel_vsec.tpmi-uncore.2: Uncore:
Ignore: Unsupported minor version:2
[   20.044279] intel_uncore_frequency_tpmi intel_vsec.tpmi-uncore.2: Uncore:
Ignore: Unsupported minor version:2
[root@localhost Documents]# tsseventextend -if ./binary_bios_measurements -sim
-v
Unable to open input file './binary_bios_measurements'
[root@localhost Documents]# 

> 2. I assume you parsed the measurements with tpm2_eventlog. Can you attach
> the unparsed binary instead?
The binary is from the command "tsseventextend -if ./^Cnary_bios_measurements
-sim -v"
Please check the attached file.

> 3. I assume dmesg was generated without workaround. Is this true or not? I
> have not opened it yet (because lack of time).

Yes, the dmesg is from the machine with the bug. 

> I think these three questions should be enough for now. Don't waste your
> time on previous questions, I can deduce answers from these...

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