Select "System devices" and look for "Intel(R) 8 Series/C220 Series SMBus Controller." 💡 Troubleshooting Safety Tip
Mira wrote a small kernel module to log all PCIe bus traffic to that controller. She filtered for transactions where the address didn’t correspond to any allocated buffer. For two weeks, nothing. Then, at 3:17 AM on a Tuesday, the log caught it. pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
For your specific Lenovo system, download the latest Intel Chipset Device Software from Lenovo Support . Select "System devices" and look for "Intel(R) 8