Comment # 4
on bug 111487
from bzz
weird story continues. I've switched cable HDMI - HDMI to HDMI - DVI-D (so right now i cannot have full supported resolution by Dell U3014, but flickering is gone and when i turn off and on display, i dont' have solid green screen. Is the HDMI or higher resolution problem? Anyway, i can still see warnings in dmesg: [ 2556.247779] WARNING: CPU: 3 PID: 177 at drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c:932 dcn10_verify_allow_pstate_change_high.cold+0xc/0x229 [amdgpu] [ 2556.247779] Modules linked in: uas usb_storage fuse vhost_net vhost tap tun ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables bpfilter scsi_transport_iscsi af_packet br_netfilter bridge stp llc iscsi_ibft iscsi_boot_sysfs msr nls_iso8859_1 nls_cp437 vfat fat edac_mce_amd kvm_amd ccp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic aesni_intel ledtrig_audio snd_hda_codec_hdmi aes_x86_64 crypto_simd snd_hda_intel snd_hda_codec cryptd glue_helper snd_hda_core snd_hwdep eeepc_wmi snd_pcm pcspkr r8169 asus_wmi snd_timer sparse_keymap realtek snd sp5100_tco rfkill wmi_bmof k10temp i2c_piix4 soundcore libphy joydev gpio_amdpt gpio_generic button acpi_cpufreq hid_logitech_hidpp btrfs libcrc32c xor hid_logitech_dj raid6_pq hid_generic usbhid amdgpu amd_iommu_v2 gpu_sched i2c_algo_bit ttm drm_kms_helper crc32c_intel syscopyarea sysfillrect sysimgblt xhci_pci fb_sys_fops xhci_hcd drm usbcore wmi video [ 2556.247794] pinctrl_amd sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua efivarfs [ 2556.247797] CPU: 3 PID: 177 Comm: kworker/u64:8 Tainted: G W 5.3.0-rc6-1.g2831011-default #1 openSUSE Tumbleweed (unreleased) [ 2556.247797] Hardware name: System manufacturer System Product Name/PRIME B450M-A, BIOS 1804 07/29/2019 [ 2556.247801] Workqueue: events_unbound commit_work [drm_kms_helper] [ 2556.247848] RIP: 0010:dcn10_verify_allow_pstate_change_high.cold+0xc/0x229 [amdgpu] [ 2556.247849] Code: 83 c8 ff e9 58 3d f8 ff 48 c7 c7 58 cb 98 c0 e8 b9 fa 02 db 0f 0b 83 c8 ff e9 42 3d f8 ff 48 c7 c7 58 cb 98 c0 e8 a3 fa 02 db <0f> 0b 80 bb 9f 01 00 00 00 75 05 e9 d6 63 f8 ff 48 8b 83 f8 02 00 [ 2556.247850] RSP: 0018:ffffc1a0404779b8 EFLAGS: 00010286 [ 2556.247851] RAX: 0000000000000024 RBX: ffff9daa62a90000 RCX: 0000000000000006 [ 2556.247851] RDX: 0000000000000007 RSI: 0000000000000002 RDI: ffff9daa6ead9a10 [ 2556.247852] RBP: ffff9da94e7a0000 R08: 000002532c3cd37f R09: ffff9daa6e800000 [ 2556.247852] R10: 000000000005a06c R11: 0000000000032088 R12: ffff9daa62a90000 [ 2556.247855] R13: ffff9daa19eac000 R14: ffff9daa64bedf00 R15: ffff9da94e7a0f68 [ 2556.247855] FS: 0000000000000000(0000) GS:ffff9daa6eac0000(0000) knlGS:0000000000000000 [ 2556.247856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2556.247856] CR2: 0000000800626ce4 CR3: 00000007e7536000 CR4: 00000000003406e0 [ 2556.247857] Call Trace: [ 2556.247900] dcn10_apply_ctx_for_surface+0x587/0x6a0 [amdgpu] [ 2556.247942] commit_planes_for_stream+0x488/0x860 [amdgpu] [ 2556.247983] dc_commit_updates_for_stream+0x942/0xab0 [amdgpu] [ 2556.248030] amdgpu_dm_commit_planes.constprop.0+0x7d7/0x9a0 [amdgpu] [ 2556.248072] amdgpu_dm_atomic_commit_tail+0x94c/0xfb0 [amdgpu] [ 2556.248073] ? __wb_calc_thresh+0x2a/0x100 [ 2556.248074] ? wb_calc_thresh+0x41/0x50 [ 2556.248075] ? __switch_to_asm+0x40/0x70 [ 2556.248076] ? __switch_to_asm+0x34/0x70 [ 2556.248076] ? __switch_to_asm+0x40/0x70 [ 2556.248077] ? __switch_to_asm+0x34/0x70 [ 2556.248079] ? __switch_to_asm+0x40/0x70 [ 2556.248079] ? __switch_to_asm+0x34/0x70 [ 2556.248080] ? __switch_to_asm+0x40/0x70 [ 2556.248080] ? __switch_to_asm+0x34/0x70 [ 2556.248081] ? __switch_to_asm+0x40/0x70 [ 2556.248081] ? __switch_to_asm+0x34/0x70 [ 2556.248082] ? __switch_to_asm+0x40/0x70 [ 2556.248082] ? __switch_to_asm+0x34/0x70 [ 2556.248083] ? __switch_to_asm+0x40/0x70 [ 2556.248084] ? __switch_to_asm+0x34/0x70 [ 2556.248085] ? __switch_to_asm+0x40/0x70 [ 2556.248086] ? trace_hardirqs_off_thunk+0x1a/0x30 [ 2556.248087] ? wait_for_completion_timeout+0xf3/0x110 [ 2556.248088] ? finish_task_switch+0x7e/0x280 [ 2556.248092] ? commit_tail+0x3c/0x70 [drm_kms_helper] [ 2556.248096] commit_tail+0x3c/0x70 [drm_kms_helper] [ 2556.248099] process_one_work+0x1df/0x380 [ 2556.248100] worker_thread+0x4d/0x400 [ 2556.248101] kthread+0xf9/0x130 [ 2556.248102] ? process_one_work+0x380/0x380 [ 2556.248103] ? kthread_park+0x80/0x80 [ 2556.248103] ret_from_fork+0x27/0x50 [ 2556.248104] ---[ end trace d9e405aa05e74f7a ]---
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