Compilation errors: unresolved symbol tcp_dctcp_kfunc_ids/tcp_cubic_kfunc_ids/tcp_bbr_kfunc_ids

Dongliang Mu mudongliangabcd at
Thu Dec 2 02:27:31 EST 2021

Hi all,

I encountered one compilation error when compiling the latest upstream
Linux kernel.

WARN: resolve_btfids: unresolved symbol tcp_dctcp_kfunc_ids
WARN: resolve_btfids: unresolved symbol tcp_cubic_kfunc_ids
WARN: resolve_btfids: unresolved symbol tcp_bbr_kfunc_ids

If you know the fix for this issue, please let me know. Thanks very
much. BTW, the configuration file I used is attached to this email.

My best regards to you.

     No System Is Safe!
     Dongliang Mu
-------------- next part --------------
A non-text attachment was scrubbed...
Name: test.config
Type: application/octet-stream
Size: 225932 bytes
Desc: not available
URL: <>

More information about the Kernelnewbies mailing list