[Bug 296998] HID_ITEM_MAXUSAGE is not tunable

[email protected] Thu, 23 Jul 2026 17:28:54 +0000

Newsgroups	gmane.os.freebsd.bugs
Message-ID	<[email protected]/bugzilla/>

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296998

            Bug ID: 296998
           Summary: HID_ITEM_MAXUSAGE is not tunable
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: [email protected]
          Reporter: [email protected]

I'm installing 16-CURRENT on a new laptop (Acer Nitro V 15), and my dmesg is
full of this line:
hid_get_item: HID_ITEM_MAXUSAGE should be increased up to 17 to parse the HID
report descriptor

See
https://forums.freebsd.org/threads/hid_get_item-hid_item_maxusage-should-be-increased.103363/

It appears that the only way to fix it is to recompile!
This is not user-friendly, and we could do better: maybe some configuration
variable, or a sysctl parameter?

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