Kernel panics or hangs after Spectre/Meltdown updates with "CbSensor"
Issue
- After patching kernel to address Spectre/Meltdown vulnerability, kernel panics
- Seeing the following error message when attempting to boot
kernel-3.10.0-693.21.1.el7.x86_64
andkernel-2.6.32-696.23.1.el6.x86_64
CbSensor: Netfilter hook has been inserted
<snip>
Mar 21 06:13:10 hostname kernel: [ 35.604585] cbsensor: module license 'Proprietary' taints kernel.
Mar 21 06:13:10 hostname kernel: [ 35.604589] Disabling lock debugging due to kernel taint
Mar 21 06:13:10 hostname kernel: [ 35.605582] CbSensor: CBSENSOR.KO version <version>
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Proprietary
cbsensor
module
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