https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291271
Bug ID: 291271
Summary: qat_common.ko missing symbol exports -- dependent
modules fail to load with module loader local symbol
resolution disabled
Product: Base System
Version: 16.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
See
https://lists.freebsd.org/archives/freebsd-current/2025-November/009500.html
for background.
To reproduce, set
debug.link_elf_leak_locals=0
debug.link_elf_obj_leak_locals=0
then
# kldload qat.ko
link_elf_obj: symbol M_QAT undefined
linker_load_file: /boot/kernel/qat_api.ko - unsupported file type
The module's Makefile should have an EXPORT_SYMS= line that lists all of the
symbols to be intentionally exported.
Another option is to just set EXPORT_SYMS=YES. An explicit export list is
preferred over EXPORT_SYMS=YES, unless we explicitly want all symbols exported.
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