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Groups > linux.debian.kernel > #59191

Bug#878556: tpm tpm0: A TPM error (7) occurred attempting to read a pcr value

Cross-posted to 2 groups.

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Package: linux-image-4.9.0-4-amd64
Version: 4.9.30-2+deb9u5
Severity: important

$ sudo journalctl -b -p err
... kernel: acpi LNXCPU:00: Invalid PBLK length [7]
... kernel: acpi LNXCPU:01: Invalid PBLK length [7]
... kernel: ACPI BIOS Error (bug): \_SB.PCI0._OSC: Excess arguments -
ASL declared 5, ACPI requires 4 (20160831/nsarguments-189)
... kernel: ACPI Error: [CAPD] Namespace lookup failure,
AE_ALREADY_EXISTS (20160831/dsfield-211)
... kernel: ACPI Error: Method parse/execution failed [\_SB.PCI0._OSC]
(Node ffff956f530aeaa0), AE_ALREADY_EXISTS (20160831/psparse-543)
... kernel: tpm tpm0: A TPM error (7) occurred attempting to read a pcr
value
... kernel: tpm tpm0: A TPM error (7) occurred attempting to read a pcr
value

"ACPI guys found the problem":
http://lkml.iu.edu/hypermail/linux/kernel/1704.1/04255.html

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Bug#878556: tpm tpm0: A TPM error (7) occurred attempting to read a pcr value Narcis Garcia <debianlists@actiu.net> - 2017-10-14 17:40 +0200
  Processed: Re: Bug#878556: tpm tpm0: A TPM error (7) occurred  attempting to read a pcr value owner@bugs.debian.org (Debian Bug Tracking System) - 2017-10-14 19:00 +0200
  Bug#878556: tpm tpm0: A TPM error (7) occurred attempting to read a pcr value Salvatore Bonaccorso <carnil@debian.org> - 2017-10-14 19:00 +0200

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