<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> >> Hello!<br> >><br> >> I have modules that need to be loaded using services because some of<br> >> them don't autoload their modules.<br> <br> >"Modules"? do you mean kmod kernel modules with that?</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> <br> Yes<br> >> I want the modules to load in initrd, before initrd.target. However,<br> >> the service is not consistently loading in initrd in the current<br> >> implementation.<br> <br> >If you have kernel modules that to not autoload, it should typically<br> >suffice to add any kernel modules to a file in /etc/modules-load.d/ in<br> >the initrd.</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> The load of the modules is based on hardware presence, that's why we dont use modules-load.d.</div> <div style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> >That said, in 2024 kernel modules that do not autoload seems quite out</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> >of place.</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> <br> </div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> Many of these issues have been fixed in recent years, but we still haven't addressed everything.</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> <br> </div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> >> To resolve this issue, I added "systemctl add-wants initrd.target<br> >> A.service" in the dracut configuration.<br> <br> >Hmm, I don't follow? what would such a line do to kernel modules?</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> <br> >> Is this sufficient for my setup, or do I need to make any further<br> >> changes in the systemd side to ensure the correct loading before<br> >> initrd.target? I'm using systemd-load-modules to load the modules.<br> <br> >I am not sure I follow really. That service that needs the kernel<br> >modules, what kind f service is that?</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> <br> We are trying to load these modules using the service:</div> <div style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> [Service]</div> <div style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> Type=oneshot</div> <div style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> RemainAfterExit=yes</div> <div style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> ExecStart=/lib/systemd/systemd-modules-load /etc/rdma/modules/%I.conf</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> TimeoutSec=90s</div> <div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"> <br> The service itself doesn't use the modules.<br> >Note that services can add the followng to their deps:<br> <br> > Wants=modprobe@foobar.service<br> > After=modprobe@foobar.service<br> <br> >To ensure the kmod "foobar" is definitely loaded before the service<br> >begins execution.<br> <br> >Lennart<br> <br> >--<br> >Lennart Poettering, Berlin<br> <br> <br> <br> </div> </body> </html>