[Bug 108940] drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613 core_link_enable_stream+0xc14/0x1040QHD bug?

* [Bug 108940] drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613 core_link_enable_stream+0xc14/0x1040QHD bug?
@ 2018-12-04 11:17 bugzilla-daemon
  2018-12-04 11:17 ` bugzilla-daemon
                   ` (23 more replies)
  0 siblings, 24 replies; 25+ messages in thread
From: bugzilla-daemon @ 2018-12-04 11:17 UTC (permalink / raw)
  To: dri-devel

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https://bugs.freedesktop.org/show_bug.cgi?id=108940

            Bug ID: 108940
           Summary: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.
                    c:1613 core_link_enable_stream+0xc14/0x1040QHD bug?
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: stfn+freedesktop@hijnn.net

Created attachment 142710
  --> https://bugs.freedesktop.org/attachment.cgi?id=142710&action=edit
4.19 dmesg crash at boot

I recently switched from a dual monitor setup with 1 HDMI and 1 VGA monitor
(connected through a powered HDMI -> VGA concerter) to a QHD 34" Acer ED347CKR
monitor (https://www.acer.com/ac/en/US/content/model/UM.CE7AA.001) since Ryzen
doesn't VGA (https://bugs.freedesktop.org/show_bug.cgi?id=105880).

It solved that crash, but it introduced a new crash.

4.18 amdgpu.dc_log=1 amdgpu.dc=0 pcie_aspm=off doesn't boot, display
corruption. Colored line through boot text
4.19 amdgpu.dc_log=1 amdgpu.dc=0 pcie_aspm=off doesn't boot, display
corruption. Colored line through boot text
4.18 amdgpu.dc_log=1 amdgpu.dc=1 crash at boot and systems hangs, see
attachment 418_dmesg_boot_crash.log
4.19 amdgpu.dc_log=1 amdgpu.dc=1 crash at boot, system runs, see attachment
419_dmesg_boot_crash.log

All errors below are with 419 amdgpu.dc_log=1 amdgpu.dc=1.

I see a difference in crashes when I boot with my monitor on or off.

Monitor on at boot (419_dmesg_boot_crash.log):

dec 04 11:25:48 spin kernel: ACPI BIOS Warning (bug): Optional FADT field
Pm2ControlBlock has valid Length but zero Address: 0x0000000000000000/0x1
(20180810/tbfadt-624)
dec 04 11:25:48 spin kernel: random: 7 urandom warning(s) missed due to
ratelimiting
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1372
dcn_bw_update_from_pplib+0x16b/0x280 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1570
core_link_enable_stream+0x657/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1599
core_link_enable_stream+0x6a2/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1570
core_link_enable_stream+0x657/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1589
core_link_enable_stream+0x9cd/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1599
core_link_enable_stream+0x6a2/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1570
core_link_enable_stream+0x657/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1589
core_link_enable_stream+0x9cd/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1599
core_link_enable_stream+0x6a2/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1617
core_link_enable_stream+0xa5b/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1646
core_link_enable_stream+0xaa7/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1617
core_link_enable_stream+0xa5b/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1636
core_link_enable_stream+0xb68/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1646
core_link_enable_stream+0xaa7/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1617
core_link_enable_stream+0xa5b/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1636
core_link_enable_stream+0xb68/0xb90 [amdgpu]
dec 04 11:25:49 spin kernel: WARNING: CPU: 6 PID: 460 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1646
core_link_enable_stream+0xaa7/0xb90 [amdgpu]

Monitor off at boot (419_dmesg_monitor_off_at_boot.log):

[    9.162954] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613
core_link_enable_stream+0xc14/0x1040 [amdgpu]
[    9.163778] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1632
core_link_enable_stream+0xe2e/0x1040 [amdgpu]
[    9.164599] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1645
core_link_enable_stream+0xc8b/0x1040 [amdgpu]
[    9.165418] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1666
core_link_enable_stream+0xedd/0x1040 [amdgpu]
[    9.166236] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1698
core_link_enable_stream+0xf58/0x1040 [amdgpu]
[    9.167059] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1666
core_link_enable_stream+0xedd/0x1040 [amdgpu]
[    9.167879] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1685
core_link_enable_stream+0x1018/0x1040 [amdgpu]
[    9.168696] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1698
core_link_enable_stream+0xf58/0x1040 [amdgpu]
[    9.169517] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1666
core_link_enable_stream+0xedd/0x1040 [amdgpu]
[    9.170343] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1685
core_link_enable_stream+0x1018/0x1040 [amdgpu]
[    9.171162] WARNING: CPU: 3 PID: 537 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1698
core_link_enable_stream+0xf58/0x1040 [amdgpu]
[   51.610218] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613
core_link_enable_stream+0xc14/0x1040 [amdgpu]
[   51.611366] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1645
core_link_enable_stream+0xc8b/0x1040 [amdgpu]
[   51.612436] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613
core_link_enable_stream+0xc14/0x1040 [amdgpu]
[   51.613504] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1632
core_link_enable_stream+0xe2e/0x1040 [amdgpu]
[   51.614573] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1645
core_link_enable_stream+0xc8b/0x1040 [amdgpu]
[   51.615639] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613
core_link_enable_stream+0xc14/0x1040 [amdgpu]
[   51.616711] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1632
core_link_enable_stream+0xe2e/0x1040 [amdgpu]
[   51.617776] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1645
core_link_enable_stream+0xc8b/0x1040 [amdgpu]
[   51.618773] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1666
core_link_enable_stream+0xedd/0x1040 [amdgpu]
[   51.619734] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1698
core_link_enable_stream+0xf58/0x1040 [amdgpu]
[   51.620694] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1666
core_link_enable_stream+0xedd/0x1040 [amdgpu]
[   51.621657] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1685
core_link_enable_stream+0x1018/0x1040 [amdgpu]
[   51.622617] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1698
core_link_enable_stream+0xf58/0x1040 [amdgpu]
[   51.623581] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1666
core_link_enable_stream+0xedd/0x1040 [amdgpu]
[   51.624547] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1685
core_link_enable_stream+0x1018/0x1040 [amdgpu]
[   51.625508] WARNING: CPU: 5 PID: 50 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1698
core_link_enable_stream+0xf58/0x1040 [amdgpu]

Without pcie_aspm=off my console gets spammed infrequently with errors like:

[ 16.588103] pcieport 0000:00:01.2: AER: Corrected error received: id=0008
[ 16.588110] pcieport 0000:00:01.2: PCIe Bus Error: severity=Corrected,
type=Data Link Layer, id=000a(Receiver ID)
[ 16.588121] pcieport 0000:00:01.2: device [1022:15d3] error
status/mask=00000040/00006000
[ 16.588128] pcieport 0000:00:01.2: [ 6] Bad TLP

The first time I saw those was with 4.16, but they don't occur every boot. I'm
not sure if those were present <4.16. I'm aslo not sure if this is still
present at 4.19. I'll soon find out since my system no longer boots with
pci_aspm=off.

When running 4.19 I sometimes see

(EE) AMDGPU(0): drmmode_do_crtc_dpms cannot get last vblank counter

in xorg.log. See 419_Xorg.0.monitor_off_at_boot.log

I tried 4.20rc2 (I can't get newer RC's to build the Manjaro way) but it has
identical errors as 4.19.

Also attached lspci -nnk | grep VGA -A 12.

System:    Host: spin Kernel: 4.19.6-1-MANJARO x86_64 bits: 64 compiler: gcc v:
8.2.1 Desktop: KDE Plasma 5.14.4 tk: Qt 5.11.2 
           wm: kwin_x11 dm: SDDM Distro: Manjaro Linux 
Graphics:  Device-1: AMD Raven Ridge [Radeon Vega Series / Radeon Vega Mobile
Series] driver: amdgpu v: kernel bus ID: 38:00.0 
           chip ID: 1002:15dd 
           Display: x11 server: X.Org 1.20.3 driver: amdgpu,ati unloaded:
modesetting alternate: fbdev,vesa 
           compositor: kwin_x11 resolution: 3440x1440~60Hz 
           OpenGL: renderer: AMD RAVEN (DRM 3.27.0 4.19.6-1-MANJARO LLVM 7.0.0)
v: 4.5 Mesa 18.2.6 compat-v: 4.4 
           direct render: Yes

If you need more info, please let me know!

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