FYI, we noticed the below changes on git://internal_mailing_list_patch_tree Arun-Parameswaran/Add-support-for-Broadcom-s-iProc-MDIO-and-Cygnus-Ethernet-PHY commit 041de4d6564535f639f0d4cec6712b5adf62723f ("net: phy: Add Broadcom phy library for common interfaces") Found new message as below in kernel log after the commit. [ 2.527336] bcm_phy_lib: module license 'unspecified' taints kernel. [ 2.527686] Disabling lock debugging due to kernel taint To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Ying Huang