It appears the firmware is not loading, looking through the previous logs it appears the firmware has never loaded during any of the previous testing. The Ubuntu 19.10 VM is having the same problem as the Ubuntu 20.04 host.
root@r920-cmwhv52:~# grep smu /var/log/kern.log Mar 13 22:40:40 r920-cmwhv52 kernel: [ 11.394925] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 13 22:40:40 r920-cmwhv52 kernel: [ 14.788159] smu firmware loading failed Mar 13 23:35:05 r920-cmwhv52 kernel: [ 11.368465] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 13 23:35:05 r920-cmwhv52 kernel: [ 14.750625] smu firmware loading failed Mar 14 01:23:06 r920-cmwhv52 kernel: [ 11.484064] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 01:23:06 r920-cmwhv52 kernel: [ 14.872698] smu firmware loading failed Mar 14 11:44:19 r920-cmwhv52 kernel: [ 11.487538] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 11:44:19 r920-cmwhv52 kernel: [ 14.869816] smu firmware loading failed Mar 14 13:36:40 r920-cmwhv52 kernel: [ 815.669131] amdgpu: [powerplay] hwmgr_sw_init smu backed is polaris10_smu Mar 14 13:36:43 r920-cmwhv52 kernel: [ 819.095834] smu firmware loading failed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/1867455 Title: Having more than one AMD Radeon RX 580 installed will trigger a PCIe bus fatal error during boot. Status in linux-5.4 package in Ubuntu: New Bug description: I have a Dell R920 with three MSI Radeon RX 580 8G V1 cards, if more than one of these cards is installed in the system, a bus fatal error will be generated causing the system to reset itself when the amdgpu module is loaded and it tries to initialize the device. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-modules-5.4.0-14-lowlatency 5.4.0-14.17 ProcVersionSignature: Ubuntu 5.4.0-14.17-lowlatency 5.4.18 Uname: Linux 5.4.0-14-lowlatency x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu20 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D9p', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Mar 14 12:20:47 2020 Dependencies: MachineType: Dell Inc. PowerEdge R920 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 mgag200drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-lowlatency root=ZFS=rpool/ROOT/ubuntu ro intel_iommu=on iommu=pt root=ZFS=rpool/ROOT/ubuntu intremap=no_x2apic_optout ipv6.disable=1 mitigations=off PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-14-lowlatency N/A linux-backports-modules-5.4.0-14-lowlatency N/A linux-firmware 1.186 RfKill: SourcePackage: linux-5.4 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/26/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.9.0 dmi.board.name: 0V7HD0 dmi.board.vendor: Dell Inc. dmi.board.version: A06 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.9.0:bd06/26/2019:svnDellInc.:pnPowerEdgeR920:pvr:rvnDellInc.:rn0V7HD0:rvrA06:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R920 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-5.4/+bug/1867455/+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
