It turns out the problem is with the radeon driver. The GDM can be started normally once amdgpu is used instead of radeon $ cat /proc/cmdline BOOT_IMAGE=(hd0,gpt3)/ostree/fedora-b84e4d88fe04fad4bc33b6ea17b973b4c73cd56c60843527323ed31290b71b6c/vmlinuz-5.11.20-300.fc34.x86_64 root=UUID=6d7c04a4-98c4-4438-96f8-b3fcd570c27a rootflags=subvol=root35b ostree=/ostree/boot.0/fedora/b84e4d88fe04fad4bc33b6ea17b973b4c73cd56c60843527323ed31290b71b6c/0 radeon.cik_support=0 amdgpu.cik_support=1 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R7 Graphics] (prog-if 00 [VGA controller]) Subsystem: Gigabyte Technology Co., Ltd Device d000 Flags: bus master, fast devsel, latency 0, IRQ 46, IOMMU group 0 Memory at c0000000 (64-bit, prefetchable) [size=256M] Memory at d0000000 (64-bit, prefetchable) [size=8M] I/O ports at f000 [size=256] Memory at feb00000 (32-bit, non-prefetchable) [size=256K] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: [48] Vendor Specific Information: Len=08 <?> Capabilities: [50] Power Management version 3 Capabilities: [58] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?> Capabilities: [270] Secondary PCI Express Capabilities: [2b0] Address Translation Service (ATS) Capabilities: [2c0] Page Request Interface (PRI) Capabilities: [2d0] Process Address Space ID (PASID) Kernel driver in use: amdgpu Kernel modules: radeon, amdgpu _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
