Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.20 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/1804590 Title: kgd2kfd_probe failed DID 15dd is missing in supported_devices Status in linux package in Ubuntu: Incomplete Bug description: dmesg [ 1.456816] Console: switching to colour dummy device 80x25 [ 1.457058] [drm] initializing kernel modesetting (RAVEN 0x1002:0x15DD 0x1462:0x7A39 0xC6). [ 1.457068] [drm] register mmio base: 0xFE400000 [ 1.457069] [drm] register mmio size: 524288 [ 1.457084] [drm] probing gen 2 caps for device 1022:15db = 700d03/e [ 1.457086] [drm] probing mlw for device 1022:15db = 700d03 [ 1.457088] [drm] add ip block number 0 <soc15_common> [ 1.457089] [drm] add ip block number 1 <gmc_v9_0> [ 1.457090] [drm] add ip block number 2 <vega10_ih> [ 1.457090] [drm] add ip block number 3 <psp> [ 1.457091] [drm] add ip block number 4 <powerplay> [ 1.457091] [drm] add ip block number 5 <dm> [ 1.457092] [drm] add ip block number 6 <gfx_v9_0> [ 1.457093] [drm] add ip block number 7 <sdma_v4_0> [ 1.457093] [drm] add ip block number 8 <vcn_v1_0> [ 1.457110] kfd kfd: DID 15dd is missing in supported_devices [ 1.457111] kfd kfd: kgd2kfd_probe failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804590/+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