Commen=
t # 4
on bug 11148=
2
from Robert
I guess it's also not of interest but if I pull the DisplayPor=
t cable and pull
it in again I get this error via "dmesg" (this happens every time=
I do this):
"""
[Wed Aug 28 00:12:08 2019] ------------[ cut here ]------------
[Wed Aug 28 00:12:08 2019] WARNING: CPU: 6 PID: 1995 at
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:2800
dcn20_validate_bandwidth.cold+0xe/0x18 [amdgpu]
[Wed Aug 28 00:12:08 2019] Modules linked in: xt_nat veth xt_MASQUERADE
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat br_netfilter
overlay wireguard(O) ip6_udp_tunnel udp_tunnel edac_mce_amd kvm_amd sr_mod
cdrom uas usb_storage stv6110x lnbp21 kvm btusb btrtl snd_hda_codec_realtek
btbcm btintel nls_iso8859_1 snd_hda_codec_generic nls_cp437 ledtrig_audio
snd_hda_codec_hdmi vfat fat stv090x bluetooth snd_hda_intel crct10dif_pclmul
crc32_pclmul snd_hda_codec ghash_clmulni_intel bridge snd_hda_core eeepc_wmi
asus_wmi snd_hwdep sparse_keymap ngene stp ecdh_generic snd_pcm dvb_core
aesni_intel ecc videobuf2_vmalloc joydev snd_timer ccp videobuf2_memops llc
video wmi_bmof mxm_wmi videobuf2_common sp5100_tco mousedev evdev aes_x86_64
input_leds snd crypto_simd led_class mac_hid cryptd glue_helper i2c_piix4
rfkill pcspkr rng_core soundcore videodev igb mc dca wmi button acpi_cpufreq
nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_com=
mon
ipt_REJECT nf_reject_ipv4 xt_LOG
[Wed Aug 28 00:12:08 2019] xt_multiport xt_limit xt_addrtype xt_tcpudp
xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns
nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nfsd nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_filter bpfilter auth_rpcgss
nfs_acl lockd grace sch_fq_codel sunrpc sg crypto_user ip_tables x_tables e=
xt4
crc32c_generic crc16 mbcache jbd2 hid_logitech_hidpp sd_mod hid_logitech_dj
hid_generic usbhid hid crc32c_intel ahci xhci_pci libahci xhci_hcd libata
usbcore nvme scsi_mod usb_common nvme_core amdgpu amd_iommu_v2 gpu_sched
i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fo=
ps
drm agpgart vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio
[Wed Aug 28 00:12:08 2019] CPU: 6 PID: 1995 Comm: Xorg Tainted: G W =
O=20=20
5.3.0-rc3-amd-staging-drm-next-git-b8cd95e15410 #1
[Wed Aug 28 00:12:08 2019] Hardware name: System manufacturer System Product
Name/ROG STRIX X570-E GAMING, BIOS 1005 08/01/2019
[Wed Aug 28 00:12:08 2019] RIP: 0010:dcn20_validate_bandwidth.cold+0xe/0x18
[amdgpu]
[Wed Aug 28 00:12:08 2019] Code: d9 05 ef e0 18 00 8b 54 24 08 0f b7 44 24 =
2e
80 cc 0c 66 89 44 24 2c e9 83 ed f4 ff 48 c7 c7 50 49 80 c0 31 c0 e8 dd 8b =
9b
cb <0f> 0b 45 89 f5 e9 5e f3 f4 ff 48 c7 c7 50 49 80 c0 31 c0 e8 c5 8b
[Wed Aug 28 00:12:08 2019] RSP: 0018:ffff9e5e09b43a98 EFLAGS: 00010246
[Wed Aug 28 00:12:08 2019] RAX: 0000000000000024 RBX: 4079400000000000 RCX:
0000000000000000
[Wed Aug 28 00:12:08 2019] RDX: 0000000000000000 RSI: ffff8e847e997448 RDI:
ffff8e847e997448
[Wed Aug 28 00:12:08 2019] RBP: ffff8e8337650000 R08: ffff8e847e997448 R09:
0000000000000004
[Wed Aug 28 00:12:08 2019] R10: 0000000000000000 R11: 0000000000000001 R12:
ffff8e8470d00000
[Wed Aug 28 00:12:08 2019] R13: 0000000000000000 R14: 0000000000000001 R15:
ffff8e84708e6000
[Wed Aug 28 00:12:08 2019] FS: 00007f1c3fdbfdc0(0000)
GS:ffff8e847e980000(0000) knlGS:0000000000000000
[Wed Aug 28 00:12:08 2019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[Wed Aug 28 00:12:08 2019] CR2: 00007f4398fee528 CR3: 0000000ff4c52000 CR4:
0000000000340ee0
[Wed Aug 28 00:12:08 2019] Call Trace:
[Wed Aug 28 00:12:08 2019] dc_validate_global_state+0x28a/0x310 [amdgpu]
[Wed Aug 28 00:12:08 2019] amdgpu_dm_atomic_check+0x5a2/0x800 [amdgpu]
[Wed Aug 28 00:12:08 2019] drm_atomic_check_only+0x550/0x780 [drm]
[Wed Aug 28 00:12:08 2019] drm_atomic_commit+0x13/0x50 [drm]
[Wed Aug 28 00:12:08 2019] drm_atomic_connector_commit_dpms+0xd7/0x100 [dr=
m]
[Wed Aug 28 00:12:08 2019] drm_mode_obj_set_property_ioctl+0x159/0x2b0 [dr=
m]
[Wed Aug 28 00:12:08 2019] ? drm_connector_set_obj_prop+0x90/0x90 [drm]
[Wed Aug 28 00:12:08 2019] drm_connector_property_set_ioctl+0x39/0x60 [drm]
[Wed Aug 28 00:12:08 2019] drm_ioctl_kernel+0xaa/0xf0 [drm]
[Wed Aug 28 00:12:08 2019] drm_ioctl+0x208/0x390 [drm]
[Wed Aug 28 00:12:08 2019] ? drm_connector_set_obj_prop+0x90/0x90 [drm]
[Wed Aug 28 00:12:08 2019] ? ep_read_events_proc+0xd0/0xd0
[Wed Aug 28 00:12:08 2019] amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
[Wed Aug 28 00:12:08 2019] do_vfs_ioctl+0x40c/0x670
[Wed Aug 28 00:12:08 2019] ksys_ioctl+0x5e/0x90
[Wed Aug 28 00:12:08 2019] __x64_sys_ioctl+0x16/0x20
[Wed Aug 28 00:12:08 2019] do_syscall_64+0x4e/0x120
[Wed Aug 28 00:12:08 2019] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Wed Aug 28 00:12:08 2019] RIP: 0033:0x7f1c411f221b
[Wed Aug 28 00:12:08 2019] Code: 0f 1e fa 48 8b 05 75 8c 0c 00 64 c7 00 26 =
00
00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 =
0f
05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 45 8c 0c 00 f7 d8 64 89 01 48
[Wed Aug 28 00:12:08 2019] RSP: 002b:00007ffe5a751d68 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
[Wed Aug 28 00:12:08 2019] RAX: ffffffffffffffda RBX: 00007ffe5a751da0 RCX:
00007f1c411f221b
[Wed Aug 28 00:12:08 2019] RDX: 00007ffe5a751da0 RSI: 00000000c01064ab RDI:
000000000000000d
[Wed Aug 28 00:12:08 2019] RBP: 00000000c01064ab R08: 0000000000000000 R09:
000056432099ffb0
[Wed Aug 28 00:12:08 2019] R10: 0000000000000000 R11: 0000000000000246 R12:
000056431ed03f90
[Wed Aug 28 00:12:08 2019] R13: 000000000000000d R14: 00005643226d4d70 R15:
0000000000000000
[Wed Aug 28 00:12:08 2019] ---[ end trace 7f6319103d8b887e ]---
"""
Besides the error nothing else happens. Display is still working fine
afterwards (besides the still high power consumption).
As Andrew already mentioned my card also stays at the highest frequency:
"""
cat /sys/class/drm/card0/device/pp_dpm_mclk
0: 100Mhz=20
1: 500Mhz=20
2: 625Mhz=20
3: 875Mhz *
"""