Hi, I have Dell xps 9560 with kaby lake CPU. After upgrading to kernel 6.4.x suspend to ram does not work when power suply is disconnected. when I disconnect power suply I get errors: [Ne júl 23 11:35:28 2023] ata2: SATA link down (SStatus 4 SControl 300) [Ne júl 23 11:35:30 2023] pci 0000:01:00.0: not ready 1023ms after resume; waiting [Ne júl 23 11:35:31 2023] pci 0000:01:00.0: not ready 2047ms after resume; waiting [Ne júl 23 11:35:33 2023] pci 0000:01:00.0: not ready 4095ms after resume; waiting [Ne júl 23 11:35:38 2023] pci 0000:01:00.0: not ready 8191ms after resume; waiting [Ne júl 23 11:35:46 2023] pci 0000:01:00.0: not ready 16383ms after resume; waiting [Ne júl 23 11:36:03 2023] pci 0000:01:00.0: not ready 32767ms after resume; waiting [Ne júl 23 11:36:38 2023] pci 0000:01:00.0: not ready 65535ms after resume; giving up [Ne júl 23 11:36:38 2023] pci 0000:01:00.0: Unable to change power state from D3cold to D0, device inaccessible [Ne júl 23 11:36:38 2023] pci 0000:01:00.0: Unable to change power state from D3cold to D0, device inaccessible lspci 01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] (rev a1) Do I have to create kernel bug or do you have any hints what can I do. thanks, miso