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Date:      Thu, 25 Dec 2025 21:42:40 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 291941] ctld regression: /dev/cam/ctl#.# dev nodes no longer created
Message-ID:  <bug-291941-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291941

            Bug ID: 291941
           Summary: ctld regression: /dev/cam/ctl#.# dev nodes no longer
                    created
           Product: Base System
           Version: 15.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: seth.hoffert@gmail.com

I recently upgraded from FreeBSD 14 to 15 and noticed that my /dev/cam/ctl#.#
nodes disappeared.  Looking at the source code to ctld, it looks like it was
refactored and is now calling an "is_dummy()" method and skipping over creating
the ctl nodes for ioctl ports.


ctld.hh:

struct port {
...

   virtual bool is_dummy() const { return true; }

...
}


struct ioctl_port doesn't overrides is_dummy, and is thus returning true,
resulting in this code in ctld.cc skipping the kernel_add call:


   /*
    * Now add new ports or modify existing ones.
    */
   for (auto it = conf_ports.begin(); it != conf_ports.end(); ) {
      const std::string &name = it->first;
      port *newport = it->second.get();

      if (newport->is_dummy()) {
         it++;
         continue;
      }
      const auto oldit = oldconf->conf_ports.find(name);
      if (oldit == oldconf->conf_ports.end() ||
          oldit->second->is_dummy()) {
         log_debugx("adding port \"%s\"", name.c_str());
         if (!newport->kernel_add()) {

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