Hello Tomas, I looked at the boot.log files, as well as the output from your command, and didn't see any errors or warnings.
I'm going to report this issue to sub...@bugs.debian.org. The laptop is ten years old, but this behavior is definitely abnormal. Best regards, Jeff Jun 15, 2024, 05:02 by to...@tuxteam.de: > On Fri, Jun 14, 2024 at 10:00:26PM +0200, jpeter17359...@tutanota.com wrote: > > [Setting Mail-Followup-To to debian-user, as Felipe pointed out] > > [My question was, for those confused by top posting: at > which point at boot the fan speeds up] > >> Yes, I am using Debian 12.5. It's a new install on a Dell laptop, which >> previously ran Windows, and it never had any cooling issues. >> >> The fan runs at very high RPM (probably on maximum) for a couple of seconds >> on boot. >> >> It seems to happen at the point where it reaches this line: >> [OK] Reached target sound.target - Sound card. >> >> The fan otherwise behaves normally, and sound plays fine, except XFCE event >> sounds don't work (log in/out, emptying trash, etc). >> > > OK, the Linux kernel has definitely taken over at that point. > > I asked the question because I've observed a similar behaviour > (mainly on desktops), but this happens much earlier, while > the BIOS is still in charge, before the the kernel has taken > over. > > I'm not very knowledgeable on what happens when (especially > if systemd is involved, but you could try to look into your > boot log with "journalctl -b". Perhaps you find out what is > happening around the start of sound.target. > > Cheers > -- > t >
