@quanxian, we've found the patches that cause the system hang on J0 devices as following.
a8951f369fde UBUNTU: SAUCE: PCI/ASPM: Enable LTR for endpoints behind VMD 9942df2fda84 UBUNTU: SAUCE: vmd: fixup bridge ASPM by driver name instead -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1990212 Title: ADL-P-IOTG graphics cause Ubuntu 22.10 hang Status in intel: New Status in linux package in Ubuntu: Incomplete Bug description: [Bug Description] ADL-P platform from IOTG will have hang issue. when blacklist i915, the system will back to well. but with official 5.19 kernel which support ADL-P (IOTG), we don't find this issue. Canonical please check what addition patches has been included your i915 driver that cause system hang. [HW/SW Information] Target Kernel: 5.19 Target Release: 22.10 Alder Lake -P from Intel IOTG [Business Justification] Function enabling To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1990212/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
