• Re: Laptop fan freaks out on boot

    From Tomas@21:1/5 to All on Sat Jun 15 07:10:02 2024
    On Fri, Jun 14, 2024 at 10:00:26PM +0200, jpeter17359549@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

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  • From jpeter17359549@tutanota.com@21:1/5 to All on Sun Jun 16 04:30:01 2024
    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 submit@bugs.debian.org.

    The laptop is ten years old, but this behavior is definitely abnormal.

    Best regards,

    Jeff


    Jun 15, 2024, 05:02 by tomas@tuxteam.de:

    On Fri, Jun 14, 2024 at 10:00:26PM +0200, jpeter17359549@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



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    <div dir="auto">Hello Tomas,<br></div><div dir="auto"><br></div><div dir="auto">I looked at the boot.log files, as well as the output from your command, and didn't see any errors or warnings.<br></div><div dir="auto"><br></div><div dir="auto">I'm going
    to report this issue to <a href="mailto:submit@bugs.debian.org" rel="noopener noreferrer" target="_blank">submit@bugs.debian.org</a>.<br></div><div dir="auto"><br></div><div dir="auto">The laptop is ten years old, but this behavior is definitely abnormal.
    <br></div><div dir="auto"><br></div><div dir="auto">Best regards,<br></div><div dir="auto"><br></div><div dir="auto">Jeff<br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">Jun 15, 2024, 05:02 by tomas@tuxteam.de:<br></div><
    blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div dir="auto">On Fri, Jun 14, 2024 at 10:00:26PM +0200, jpeter17359549@tutanota.com wrote:<br></div><div dir="auto"><br></div><div dir="auto"
    [Setting Mail-Followup-To to debian-user, as Felipe pointed out]<br></div><div dir="auto"><br></div><div dir="auto">[My question was, for those confused by top posting: at<br></div><div dir="auto">which point at boot the fan speeds up]<br></div><
    blockquote><div dir="auto">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.<br></div><div dir="auto"><br></div><div dir="auto">The fan runs at very high RPM (probably on
    maximum) for a couple of seconds on boot.<br></div><div dir="auto"><br></div><div dir="auto">It seems to happen at the point where it reaches this line:<br></div><div dir="auto">[OK] Reached target sound.target - Sound card.<br></div><div dir="auto"><br><
    /div><div dir="auto">The fan otherwise behaves normally, and sound plays fine, except XFCE event sounds don't work (log in/out, emptying trash, etc).<br></div></blockquote><div dir="auto"><br></div><div dir="auto">OK, the Linux kernel has definitely
    taken over at that point.<br></div><div dir="auto"><br></div><div dir="auto">I asked the question because I've observed a similar behaviour<br></div><div dir="auto">(mainly on desktops), but this happens much earlier, while<br></div><div dir="auto">the
    BIOS is still in charge, before the the kernel has taken<br></div><div dir="auto">over.<br></div><div dir="auto"><br></div><div dir="auto">I'm not very knowledgeable on what happens when (especially<br></div><div dir="auto">if systemd is involved, but
    you could try to look into your<br></div><div dir="auto">boot log with "journalctl -b". Perhaps you find out what is<br></div><div dir="auto">happening around the start of sound.target.<br></div><div dir="auto"><br></div><div dir="auto">Cheers<br></div><
    div dir="auto">-- <br></div><div dir="auto">t<br></div></blockquote><div dir="auto"><br></div> </body>
    </html>

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  • From Tomas@21:1/5 to jpeter17359549@tutanota.com on Sun Jun 16 06:50:01 2024
    On Sun, Jun 16, 2024 at 04:03:49AM +0200, jpeter17359549@tutanota.com wrote:
    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.

    Hm. I hope someone around here has a better idea.

    I'm going to report this issue to submit@bugs.debian.org.

    Hope you get it fixed :-)

    Cheers
    --
    tomás

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  • From Hans@21:1/5 to All on Sun Jun 16 17:20:01 2024
    Am Sonntag, 16. Juni 2024, 04:03:49 CEST schrieb jpeter17359549@tutanota.com: Just a shot:

    Take a look, if you have the packaget "fancontrol" installed.

    Then as root start the command "fancontrol" and see, if the vents are recognized. Normally they should stop, then start again. Just follow the instructions.

    This command is creating the file /etc/fancontrol, which you can later fine tune (i.e. tell, at which temperature the fans will start).

    On Asus laptops (especiially older laptops like eepc), I had to decide, which kernel module shoulds be used. One is "wmi" (the other one I forgot the neame of (too long ago!). Modern kernels are using wmi, but maybe your cpu does not support it and needs the older one (maybe someone else knows more).

    There are kernel options, which decide, which module is used. However, this is mostly on my EEEPC, but maybe other older laptops may alos depend on it.

    Just some ideas, hope this is helping though....

    Best regards

    Hans

    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 submit@bugs.debian.org.

    The laptop is ten years old, but this behavior is definitely abnormal.

    Best regards,

    Jeff


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