linux-kernel - Re: REGRESSION WITH BISECT: v6.5-rc6 TPM patch breaks S3 on some Intel systems

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Date:   Fri, 18 Aug 2023 00:47:13 +0300
From:   "Jarkko Sakkinen" <jarkko@...nel.org>
To:     <todd.e.brandt@...ux.intel.com>, <mario.limonciello@....com>,
        <linux-integrity@...r.kernel.org>
Cc:     <linux-kernel@...r.kernel.org>, <len.brown@...el.com>,
        <charles.d.prestopine@...el.com>, <rafael.j.wysocki@...el.com>
Subject: Re: REGRESSION WITH BISECT: v6.5-rc6 TPM patch breaks S3 on some
 Intel systems

On Fri Aug 18, 2023 at 12:09 AM EEST, Todd Brandt wrote:
> While testing S3 on 6.5.0-rc6 we've found that 5 systems are seeing a
> crash and reboot situation when S3 suspend is initiated. To reproduce
> it, this call is all that's required "sudo sleepgraph -m mem -rtcwake
> 15".

1. Are there logs available?
2. Is this the test case: https://pypi.org/project/sleepgraph/ (never used it before).

I'll see if I can repeat it with QEMU + swtpm.

> Ive created a Bugzilla to track this issue here:
> https://bugzilla.kernel.org/show_bug.cgi?id=217804

Thank you for reporting this.

BR, Jarkko