From: Mario Limonciello <mario.limonciello@amd.com>
To: Julian Sikorski <belegdol@gmail.com>,
visitorckw@gmail.com,
Linux kernel regressions list <regressions@lists.linux.dev>
Cc: akpm@linux-foundation.org, jserv@ccns.ncku.edu.tw,
linux-kernel@vger.kernel.org, lkml@sdf.org,
alexdeucher@gmail.com
Subject: Re: [PATCH 2/2] lib/sort: Optimize heapsort with double-pop variation
Date: Thu, 20 Jun 2024 15:17:02 -0500 [thread overview]
Message-ID: <117b2819-a146-476c-9533-43f40512d42b@amd.com> (raw)
In-Reply-To: <70674dc7-5586-4183-8953-8095567e73df@gmail.com>
On 6/20/2024 10:36, Julian Sikorski wrote:
> Hello,
>
> it appears that this patch has caused suspend-to-idle regression:
>
> https://gitlab.freedesktop.org/drm/amd/-/issues/3436
>
> In brief, my laptop fails to suspend completely with the following error
> in the log:
>
> Jun 18 12:42:20 kernel: amd_pmc AMDI0005:00: Last suspend didn't reach
> deepest state
>
> Power consumption remains high enough that my battery has already
> unexpectedly drained twice before I noticed something was off.
> I am not entirely sure how changes to sorting function can influence
> suspend, but it is what it is. 6.9.5 as shipped by Fedora 40 exhibits
> the issue, 6.9.5 as shipped by Fedora with the patch reverted does not.
>
> Best regards,
> Juliam
>
+regressions M/L
#regzbot ^introduced: 0e02ca29a563
#regzbot from: Kuan-Wei Chiu <visitorckw@gmail.com>
#regzbot monitor: https://gitlab.freedesktop.org/drm/amd/-/issues/3436
next prev parent reply other threads:[~2024-06-20 20:17 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-13 3:13 [PATCH 0/2] lib/sort: Optimize the number of swaps and comparisons Kuan-Wei Chiu
2024-01-13 3:13 ` [PATCH 1/2] lib/sort: Optimize heapsort for equal elements in sift-down path Kuan-Wei Chiu
2024-01-13 3:13 ` [PATCH 2/2] lib/sort: Optimize heapsort with double-pop variation Kuan-Wei Chiu
2024-06-20 15:36 ` Julian Sikorski
2024-06-20 20:17 ` Mario Limonciello [this message]
2024-06-28 15:15 ` Linux regression tracking (Thorsten Leemhuis)
2024-06-28 17:10 ` Kuan-Wei Chiu
2024-06-29 5:03 ` Linux regression tracking (Thorsten Leemhuis)
[not found] ` <20240630210809.37550-1-visitorckw@gmail.com>
2024-06-30 21:13 ` [PATCH] ACPI: processor_idle: Fix invalid comparison with insertion sort for latency Kuan-Wei Chiu
2024-07-01 4:42 ` [PATCH v2] " Kuan-Wei Chiu
2024-07-01 5:06 ` Greg KH
2024-07-01 15:17 ` Mario Limonciello
2024-07-01 16:10 ` [PATCH v3] " Kuan-Wei Chiu
2024-07-01 17:36 ` Rafael J. Wysocki
2024-07-01 20:56 ` [PATCH v4] " Kuan-Wei Chiu
2024-07-02 7:28 ` Julian Sikorski
2024-07-02 12:59 ` Mario Limonciello
2024-07-02 18:38 ` Rafael J. Wysocki
2025-01-15 3:27 ` [PATCH 2/2] lib/sort: Optimize heapsort with double-pop variation Luke Jones
2025-01-15 12:49 ` Kuan-Wei Chiu
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