Date: Sun, 24 May 2020 22:14:14 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 246707] ThinkPad T480 TPM 2.0 (STM7304) hangs on suspend Message-ID: <bug-246707-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D246707 Bug ID: 246707 Summary: ThinkPad T480 TPM 2.0 (STM7304) hangs on suspend Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: jlduran@gmail.com The TPM 2.0 device found in a ThinkPad T480 (STM7304) can be accessed by adding its ACPI CID (MSFT0101) to tpm_acpi.c, and using security/tpm2-tools. # kldload tpm tpm0: <Trusted Platform Module> iomem 0xfed40000-0xfed44fff on acpi0 tpm: device 0x0000104a rev 0x4e # tpm2_pcrread ... However, this breaks suspend/resume, as noted by OpenBSD (https://github.com/openbsd/src/commit/07392f17439228a8812f4b0b49ec6b406967= 9e41#diff-05e5ef1120d39f765ed58829b0d99848). --=20 You are receiving this mail because: You are the assignee for the bug.=
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