Tested on WM2N5B-DVT1-A3_202210-30676 with 6.0.0-1007-oem in proposed. Run
$ sudo rtcwake -m freeze -s 15 The device can resume after 15 seconds. Here is the kernel log for reference. ** Attachment added: "kernel.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1993715/+attachment/5628626/+files/kernel.log ** Tags added: verification-done-jammy -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-6.0 in Ubuntu. https://bugs.launchpad.net/bugs/1993715 Title: AMD Cezanne takes 5 minutes to wake up from suspend Status in HWE Next: New Status in linux package in Ubuntu: In Progress Status in linux-oem-6.0 package in Ubuntu: Invalid Status in linux source package in Jammy: Invalid Status in linux-oem-6.0 source package in Jammy: Fix Committed Status in linux source package in Kinetic: In Progress Status in linux-oem-6.0 source package in Kinetic: Invalid Bug description: [SRU Justification] [Impact] AMD Cezanne takes 5 minutes to wake up from suspend. [Fix] A fix originated from AMD is being proposed to upstream mailing list. [Test Case] $ rtcwake -m mem -s 10 [Where problems could occur] This patch fixes the issue we had, but maybe there are still some other corner cases that can cause similar problems. [Other Info] The problematic commit landed in v5.19-rc1, so kernels >= v5.19 are nominated for fix. ========== original bug description ========== [Summary] rtcwake may be blocked for 5 minutes. Model name: AMD Ryzen 5 7530U with Radeon Graphics CPU family: 25 Model: 80 Thread(s) per core: 2 Core(s) per socket: 6 Socket(s): 1 Stepping: 0 [Reproduce Steps] 1. $ rtcwake -m mem -s 10 2. The device takes 5 minutes to resume [Results] Expected: Should resume after 10 seconds Actual: System stays asleep for 5 minutes To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1993715/+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