https://bugzilla.kernel.org/show_bug.cgi?id=218354 Bug ID: 218354 Summary: Writing to dgpu_disable always produce Input/Output error Product: Drivers Version: 2.5 Hardware: AMD OS: Linux Status: NEW Severity: normal Priority: P3 Component: Platform_x86 Assignee: drivers_platform_x86@xxxxxxxxxxxxxxxxxxxx Reporter: athul.krishna.kr@xxxxxxxxxxxxxx Regression: No Created attachment 305687 --> https://bugzilla.kernel.org/attachment.cgi?id=305687&action=edit output of journalctl and lspci Device Info: Asus Zephyrus G14 GA402RJ Latest BIOS Arch_x86_64 Kernel 6.6.10-arch1 Minimal arch install ISSUE: Writing 0 to /sys/devices/platform/asus-nb-wmi/dgpu_disable, will always produce an Input/Output error(echo 1 | tee ../dgpu_disable). While writing 1 to it seems fine. There's also an issue of system crash and reboot after echo 1 | tee ../pci/rescan. Steps to Reproduce: echo 1 | tee ../remove(dgpu path) echo 1 | tee /sys/devices/platform/asus-nb-wmi/dgpu_disable echo 0 | tee /sys/devices/platform/asus-nb-wmi/dgpu_disable echo 1 | tee /sys/bus/pci/rescan Observations: Did the above steps 10 times, everytime it produced an Input/Output error and everytime system crashed and rebooted, during pci rescan. journalctl -p 3 showed an ACPI error after writing 0 to dgpu_disable. journalctl -p 3, lspci are attached. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
