<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613 core_link_enable_stream+0xc14/0x1040QHD bug?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108940">108940</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613 core_link_enable_stream+0xc14/0x1040QHD bug?
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/AMDgpu
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>stfn+freedesktop@hijnn.net
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=142710" name="attach_142710" title="4.19 dmesg crash at boot">attachment 142710</a> <a href="attachment.cgi?id=142710&action=edit" title="4.19 dmesg crash at boot">[details]</a></span>
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 (<a href="https://www.acer.com/ac/en/US/content/model/UM.CE7AA.001">https://www.acer.com/ac/en/US/content/model/UM.CE7AA.001</a>) since Ryzen
doesn't VGA (<a class="bz_bug_link
bz_status_NEW "
title="NEW - [dc] No support for LVDS or VGA connectors (Cannot find any crtc or sizes)"
href="show_bug.cgi?id=105880">https://bugs.freedesktop.org/show_bug.cgi?id=105880</a>).
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
<span class=""><a href="attachment.cgi?id=418" name="attach_418" title="A python mime type proposition">attachment 418</a> <a href="attachment.cgi?id=418&action=edit" title="A python mime type proposition">[details]</a></span>_dmesg_boot_crash.log
4.19 amdgpu.dc_log=1 amdgpu.dc=1 crash at boot, system runs, see attachment
419 <a href='page.cgi?id=splinter.html&bug=108940&attachment=419'>[review]</a>_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!</pre>
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