linux-kernel - PC speaker doesn't work under Linux, works in GRUB/EFI

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Message-ID: <186367bb-9ed4-42de-add2-59d3f50ec170@gmx.com>
Date: Sun, 2 Jun 2024 12:53:26 +0000
From: "Artem S. Tashkinov" <aros@....com>
To: linux-kernel@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>, Takashi Iwai <tiwai@...e.de>,
 Stas Sergeev <stsp@...rs.sourceforge.net>,
 Vsevolod Volkov <home+kernel@....kiev.ua>
Subject: PC speaker doesn't work under Linux, works in GRUB/EFI

Hello,

There's a bug filed in the kernel bugzilla where Vsevolod is unable to
figure out why he cannot make his pc speaker work under Linux:

https://bugzilla.kernel.org/show_bug.cgi?id=218918

Strangely, it works just fine as an EFI module and a GRUB module.

What are the ways to debug the issue?

Best regards,
Artem