Created attachment 1894121 [details] Full system log from a boot->suspend->wake cycle. Created attachment 1894121 [details] Full system log from a boot->suspend->wake cycle. Created attachment 1894121 [details] Full system log from a boot->suspend->wake cycle. 1. Please describe the problem: My laptop (Lenovo ThinkBook 14 G2 ARE) with an AMD 4500U cannot wake after being suspended. 2. What is the Version-Release number of the kernel: 5.18.7-200.fc36.x86_64 3. Did it work previously in Fedora? If so, what kernel version did the issue *first* appear? Old kernels are available for download at https://koji.fedoraproject.org/koji/packageinfo?packageID=8 : It worked some months ago, but I haven't had a chance to sift through old kernels to determine the last working version. All of the 5.17 and 5.18 kernels have exhibited this issue. 4. Can you reproduce this issue? If so, please provide the steps to reproduce the issue below: 1. Close the lid (or select 'suspend' from the power menu) 2. Attempt to wake the system 3. System does not wake and must be forced to power off before booting again. 5. Does this problem occur with the latest Rawhide kernel? To install the Rawhide kernel, run ``sudo dnf install fedora-repos-rawhide`` followed by ``sudo dnf update --enablerepo=rawhide kernel``: The rawhide kernel (5.19.0-0.rc4.20220701gita175eca0f3d7.36.fc37) does not boot on my system. 6. Are you running any modules that not shipped with directly Fedora's kernel?: No. 7. Please attach the kernel logs. You can get the complete kernel log for a boot with ``journalctl --no-hostname -k > dmesg.txt``. If the issue occurred on a previous boot, use the journalctl ``-b`` flag. Log attached.
Tested again with kernel 5.18.11-200.fc36.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Jul 12 22:52:35 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux The crash is still present. New log attached.
Created attachment 1897263 [details] Full system log from a boot->sleep->wake cycle on kernel 5.18.11
After getting some help from the amdgpu developers, it appears that this is an IOMMU issue - adding the amd_iommu=off kernel parameter allows the system to wake from suspend as expected.
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