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Message-ID: <ZN63CG6d3d7ifq7U@debian.me>
Date: Fri, 18 Aug 2023 07:10:48 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Todd Brandt <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,
Linux Regressions <regressions@...ts.linux.dev>
Subject: Re: REGRESSION WITH BISECT: v6.5-rc6 TPM patch breaks S3 on some
Intel systems
On Thu, Aug 17, 2023 at 02:09:00PM -0700, 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".
>
> Ive created a Bugzilla to track this issue here:
> https://bugzilla.kernel.org/show_bug.cgi?id=217804
>
> I've bisected the issue to this patch:
>
> commit 554b841d470338a3b1d6335b14ee1cd0c8f5d754
> Author: Mario Limonciello <mario.limonciello@....com>
> Date: Wed Aug 2 07:25:33 2023 -0500
>
> tpm: Disable RNG for all AMD fTPMs
>
Thanks for the regression report. I'm adding it to regzbot:
#regzbot ^introduced: 554b841d470338
#regzbot title: Disabling RNG for AMD fTPMs breaks S3 on some Intel systems
--
An old man doll... just what I always wanted! - Clara
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