From: bugzilla-daemon@kernel.org
To: platform-driver-x86@vger.kernel.org
Subject: [Bug 222240] New: acer_wmi: Nitro ANV15-52 fails platform_profile read/write on newer BIOS versions
Date: Fri, 06 Nov 2026 12:51:13 +0000 [thread overview]
Message-ID: <bug-222240-215701@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=222240
Bug ID: 222240
Summary: acer_wmi: Nitro ANV15-52 fails platform_profile
read/write on newer BIOS versions
Product: Drivers
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Platform_x86
Assignee: drivers_platform_x86@kernel-bugs.osdl.org
Reporter: nghiant@mailbox.org
Regression: No
Created attachment 311391
--> https://bugzilla.kernel.org/attachment.cgi?id=311391&action=edit
ACPI Table Dump
On Acer Nitro ANV15-52, reading/writing to
`/sys/firmware/acpi/platform_profile` produce `Input/output error`
```
❯ cat /sys/module/acer_wmi/parameters/predator_v4
Y
❯ cat /sys/firmware/acpi/platform_profile_choices
low-power quiet balanced balanced-performance performance
❯ cat /sys/firmware/acpi/platform_profile
cat: /sys/firmware/acpi/platform_profile: Input/output error
```
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next reply other threads:[~2026-11-06 12:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-06 12:51 bugzilla-daemon [this message]
2026-11-06 12:53 ` [Bug 222240] acer_wmi: Nitro ANV15-52 fails platform_profile read/write on newer BIOS versions bugzilla-daemon
2026-11-06 13:02 ` bugzilla-daemon
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