From: bugzilla-daemon@kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 219858] AMD Zen 2 broken power management after sleep
Date: Fri, 21 Mar 2025 16:13:34 +0000 [thread overview]
Message-ID: <bug-219858-137361-4sqvBwjJIE@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-219858-137361@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=219858
--- Comment #5 from Diogo Carvalho (diogotavc@protonmail.com) ---
Before:
```
2025-03-21 16:08:24,596 INFO: 🐧 Kernel: 6.14.0-0.rc6.49.fc42.x86_64
2025-03-21 16:08:24,596 INFO: 'status': active
2025-03-21 16:08:24,597 INFO: 'prefcore': disabled
2025-03-21 16:08:24,637 INFO: 💻 CPU: AMD Ryzen 7 5700U with Radeon
Graphics
2025-03-21 16:08:24,643 INFO: 🔋 Per-CPU sysfs files
+---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------+
| CPU # | CPU Min Freq | CPU Nonlinear Freq | CPU Max Freq | Scaling
Min Freq | Scaling Max Freq | Energy Performance Preference | Prefcore |
Boost |
|---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------|
| 0 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 1 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 2 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 3 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 4 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 5 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 6 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 7 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 8 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 9 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 10 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 11 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 12 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 13 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 14 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 15 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
+---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------+
2025-03-21 16:08:24,654 WARNING: 🚦 MSR checks unavailable
```
After:
```
2025-03-21 16:09:31,138 INFO: 🐧 Kernel: 6.14.0-0.rc6.49.fc42.x86_64
2025-03-21 16:09:31,138 INFO: 'status': active
2025-03-21 16:09:31,138 INFO: 'prefcore': disabled
2025-03-21 16:09:31,155 INFO: 💻 CPU: AMD Ryzen 7 5700U with Radeon
Graphics
2025-03-21 16:09:31,157 INFO: 🔋 Per-CPU sysfs files
+---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------+
| CPU # | CPU Min Freq | CPU Nonlinear Freq | CPU Max Freq | Scaling
Min Freq | Scaling Max Freq | Energy Performance Preference | Prefcore |
Boost |
|---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------|
| 0 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 1 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 2 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 3 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 4 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 5 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 6 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 7 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 8 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 9 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 10 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 11 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 12 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 13 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 14 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
| 15 | 400000 | 1114000 | 4373000 |
1114000 | 1801000 | power | 255 |
1 |
+---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------+
2025-03-21 16:09:31,162 WARNING: 🚦 MSR checks unavailable
```
After (setting power saving mode again):
```
2025-03-21 16:08:51,541 INFO: 🐧 Kernel: 6.14.0-0.rc6.49.fc42.x86_64
2025-03-21 16:08:51,542 INFO: 'status': active
2025-03-21 16:08:51,542 INFO: 'prefcore': disabled
2025-03-21 16:08:51,557 INFO: 💻 CPU: AMD Ryzen 7 5700U with Radeon
Graphics
2025-03-21 16:08:51,559 INFO: 🔋 Per-CPU sysfs files
+---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------+
| CPU # | CPU Min Freq | CPU Nonlinear Freq | CPU Max Freq | Scaling
Min Freq | Scaling Max Freq | Energy Performance Preference | Prefcore |
Boost |
|---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------|
| 0 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 1 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 2 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 3 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 4 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 5 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 6 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 7 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 8 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 9 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 10 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 11 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 12 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 13 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 14 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
| 15 | 400000 | 1114000 | 1801000 |
1114000 | 1801000 | power | 255 |
0 |
+---------+----------------+----------------------+----------------+--------------------+--------------------+---------------------------------+------------+---------+
2025-03-21 16:08:51,563 WARNING: 🚦 MSR checks unavailable
```
I can confirm that it still boosts over the supposed max frequency, regardless.
--
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next prev parent reply other threads:[~2025-03-21 16:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-12 1:32 [Bug 219858] New: AMD Zen 2 broken power management after sleep bugzilla-daemon
2025-03-12 18:58 ` [Bug 219858] " bugzilla-daemon
2025-03-12 19:31 ` bugzilla-daemon
2025-03-21 15:41 ` bugzilla-daemon
2025-03-21 15:44 ` bugzilla-daemon
2025-03-21 15:49 ` bugzilla-daemon
2025-03-21 16:13 ` bugzilla-daemon [this message]
2025-03-21 16:15 ` bugzilla-daemon
2025-03-21 16:15 ` bugzilla-daemon
2025-03-21 16:18 ` bugzilla-daemon
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