Re: Loud PC speaker beep during reboot, sometimes
On Fri, 2022-09-23 at 17:20 +0200, Kamil Paral wrote: > On Fri, Sep 23, 2022 at 5:13 PM stan via test > wrote: > > I forgot to reply to this part of the message. I have been running > > F37 > > since it was rawhide, and have never heard this beep. But, I'm > > running > > a desktop, so that might make a difference. And a question. Are > > you > > sure this is the PC speaker, and not something sending sound to the > > sound device during startup? > > > > > It's during shutdown, not startup. Yes, I'm sure. It's the same sound > as when I want to go to UEFI config during startup or show a one-time > boot menu. The sound is unmistakable. > > > > > I run a custom kernel, and I have the config options for the > > speaker > > set as follows: > > > > CONFIG_HAVE_PCSPKR_PLATFORM=y > > CONFIG_PCSPKR_PLATFORM=y > > # CONFIG_INPUT_PCSPKR is not set > > > > > I have the stock Fedora kernel: > > # grep -i pcspkr /boot/config-5.19.9-300.fc37.x86_64 > CONFIG_HAVE_PCSPKR_PLATFORM=y > CONFIG_PCSPKR_PLATFORM=y > CONFIG_INPUT_PCSPKR=m > > I'm aware I could blacklist the pcspkr module, but I don't want to fix this > just for myself. I found this behavior on my Fedora 35 grep -i pcspkr /boot/config-5.19.8-100.fc35.x86_64 CONFIG_HAVE_PCSPKR_PLATFORM=y CONFIG_PCSPKR_PLATFORM=y CONFIG_INPUT_PCSPKR=m -- Sérgio M. B. ___ test mailing list -- test@lists.fedoraproject.org To unsubscribe send an email to test-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/test@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
Re: Loud PC speaker beep during reboot, sometimes
On Fri, 23 Sep 2022 14:50:37 -0500 John Morris wrote: > It isn't nearly so simple. The PC "squeeker" is ancient PC tech but > almost every sound chip has an input to route it into the rest of the > audio system and a mixer control to adjust it. Almost every PC > motherboard also has a header to directly connect a speaker. This > allows one to hear sounds created by the BIOS during POST, before the > modern audio chip is initialized. > > Whether the motherboard or laptop actually connects the PC Speaker to > the audio codec is almost entirely random. Whether anything is > connected to the raw "squeeker" pins is random but tending more toward > "not" every year that passes. > > Not allowing Linux to load the pcspeaker module will stop Linux from > ever making a sound via that path but system level software running at > higher privilege than the main OS can and often does use the speaker, > over temp, fan failure, POST error, a happy beep at boot, all these > things can still make sounds and there is a speaker attached or if the > electrical connection is in place and the audio codec still has it > enabled as a machine reboots, you can get beeps. > > About the only fix Linux could make is to ensure all audio channels > are muted as the system goes into shutdown, reboot, sleep or suspend. > That still won't stop a directly connected beeper though. Thanks for the information. I hear no beeps ever, so my system must be without any issues, or one of the random ones without a tie to the onboard sound chip. ___ test mailing list -- test@lists.fedoraproject.org To unsubscribe send an email to test-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/test@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
