Created attachment 864642 [details] emerge --info After recent update X fails to start due to "(EE) NVIDIA: Failed to initialize the NVIDIA kernel module." This is seemingly caused by this error (dmesg): " [ 9.312380] nvidia-gpu 0000:12:00.3: i2c timeout error e0000000 [ 9.312384] ucsi_ccg 2-0008: i2c_transfer failed -110 [ 9.312385] ucsi_ccg 2-0008: ucsi_ccg_init failed - -110 [ 9.312388] ucsi_ccg: probe of 2-0008 failed with error -110 " As a reference - here is lscpi excerpt: " 12:00.0 VGA compatible controller: NVIDIA Corporation TU106 [GeForce RTX 2070] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Gigabyte Technology Co., Ltd TU106 [GeForce RTX 2070] Flags: fast devsel, IRQ 255 Memory at fb000000 (32-bit, non-prefetchable) [size=16M] Memory at 7fe0000000 (64-bit, prefetchable) [size=256M] Memory at 7ff0000000 (64-bit, prefetchable) [size=32M] I/O ports at f000 [disabled] [size=128] Expansion ROM at fc000000 [disabled] [size=512K] Capabilities: <access denied> 12:00.1 Audio device: NVIDIA Corporation TU106 High Definition Audio Controller (rev a1) Subsystem: Gigabyte Technology Co., Ltd TU106 High Definition Audio Controller Flags: bus master, fast devsel, latency 0, IRQ 150 Memory at fc080000 (32-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel 12:00.2 USB controller: NVIDIA Corporation TU106 USB 3.1 Host Controller (rev a1) (prog-if 30 [XHCI]) Subsystem: Gigabyte Technology Co., Ltd TU106 USB 3.1 Host Controller Flags: fast devsel, IRQ 61 Memory at 7ff2000000 (64-bit, prefetchable) [size=256K] Memory at 7ff2040000 (64-bit, prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: xhci_hcd 12:00.3 Serial bus controller: NVIDIA Corporation TU106 USB Type-C UCSI Controller (rev a1) Subsystem: Gigabyte Technology Co., Ltd TU106 USB Type-C UCSI Controller Flags: bus master, fast devsel, latency 0, IRQ 133 Memory at fc084000 (32-bit, non-prefetchable) [size=4K] Capabilities: <access denied> Kernel driver in use: nvidia-gpu Kernel modules: i2c_nvidia_gpu 13:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function Subsystem: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function Flags: fast devsel Capabilities: <access denied> "
Kernel modules: i2c_nvidia_gpu I recall this module is "likely" to conflict. The ebuild doesn't check for it because A) gentoo-kernel-bin enables it and it's not an issue as long as it's not loaded (would just be noise), and B) it's not always a problem, so blacklisting it may be wrong. That aside unsure why an update would cause this assuming you didn't change anything in that regard. Does downgrading back help? Also is it loading the right version? (version is mentioned in dmesg). Perhaps the error is unrelated and you just have a version mismatch going on. Or did you in fact newly enable CONFIG_I2C_NVIDIA_GPU?
I was able to fix the problem by setting a flag "kernel-open" so that "x11-drivers/nvidia-drivers kernel-open..." As for "CONFIG_I2C_NVIDIA_GPU" I have it as following: "CONFIG_I2C_NVIDIA_GPU=m"
