port-amd64/51031: Unreadable dark drm console text on Radeon 3000 (1002 9616) RS780L

[abs%absd.org@localhost]

>Number:         51031
>Category:       port-amd64
>Synopsis:       Unreadable dark drm console text on Radeon 3000 (1002 9616) RS780L
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Mar 31 09:35:00 +0000 2016
>Originator:     David Brownlee
>Release:        netbsd-7
>Organization:
>Environment:
NetBSD angus.absd.org 7.0_STABLE NetBSD 7.0_STABLE (GENERIC.201603221330Z) amd64

>Description:
Booting netbsd-7 (or current as of 30/3/206) on an asus motherboard with onboard Radeon 3000 gives a bright white cursor on the console, but text too dark to read. Booting a xen DOM0 kernel (without drm) does not show the issue

Full dmesg from netbsd-7 below

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 7.0_STABLE (GENERIC.201603221330Z)
total memory = 4063 MB
avail memory = 3927 MB
kern.module.path=/stand/amd64/7.0/modules
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
System manufacturer System Product Name (System Version)
mainbus0 (root)
ACPI: RSDP 0xfb520 000024 (v02 ACPIAM)
ACPI: XSDT 0xdff80100 00005C (v01 091510 XSDT1454 20100915 MSFT 00000097)
ACPI: FACP 0xdff80290 0000F4 (v03 091510 FACP1454 20100915 MSFT 00000097)
ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Gpe0Block: 64/32 (20131218/tbfadt-634)
ACPI: DSDT 0xdff80450 00A8DF (v01  A1263 A1263001 00000001 INTL 20060113)
ACPI: FACS 0xdff8e000 000040
ACPI: APIC 0xdff80390 00007C (v01 091510 APIC1454 20100915 MSFT 00000097)
ACPI: MCFG 0xdff80410 00003C (v01 091510 OEMMCFG  20100915 MSFT 00000097)
ACPI: OEMB 0xdff8e040 000071 (v01 091510 OEMB1454 20100915 MSFT 00000097)
ACPI: SRAT 0xdff8ad30 0000E8 (v01 AMD    FAM_F_10 00000002 AMD  00000001)
ACPI: HPET 0xdff8ae20 000038 (v01 091510 OEMHPET  20100915 MSFT 00000097)
ACPI: SSDT 0xdff8ae60 000544 (v01 A M I  POWERNOW 00000001 AMD  00000001)
ACPI: All ACPI Tables successfully acquired
ioapic0 at mainbus0 apid 4: pa 0xfec00000, version 0x21, 24 pins
cpu0 at mainbus0 apid 0: AMD Phenom(tm) 9550 Quad-Core Processor, id 0x100f23
cpu1 at mainbus0 apid 1: AMD Phenom(tm) 9550 Quad-Core Processor, id 0x100f23
cpu2 at mainbus0 apid 2: AMD Phenom(tm) 9550 Quad-Core Processor, id 0x100f23
cpu3 at mainbus0 apid 3: AMD Phenom(tm) 9550 Quad-Core Processor, id 0x100f23
acpi0 at mainbus0: Intel ACPICA 20131218
acpi0: X/RSDT: OemId <091510,XSDT1454,20100915>, AslId <MSFT,00000097>
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 14282320 Hz quality 2000
BROD (PNP0C02) at acpi0 not configured
attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
midi0 at pcppi1: PC speaker
sysbeep0 at pcppi1
FDC (PNP0700) at acpi0 not configured
aibs0 at acpi0 (ASOC, ATK0110-16843024): ASUSTeK AI Booster
OMSC (PNP0C02) at acpi0 not configured
RMSC (PNP0C02) at acpi0 not configured
SIOR (PNP0C02) at acpi0 not configured
PCIE (PNP0C02) at acpi0 not configured
RMEM (PNP0C01) at acpi0 not configured
acpibut0 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
acpiwmi0 at acpi0 (AOD, PNP0C14-0): ACPI WMI Interface
acpiwmibus at acpiwmi0 not configured
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131218/hwxface-646)
attimer1: attached to pcppi1
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: vendor 0x1022 product 0x9600 (rev. 0x00)
ppb0 at pci0 dev 1 function 0: vendor 0x1043 product 0x9602 (rev. 0x00)
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled
radeon0 at pci1 dev 5 function 0: vendor 0x1002 product 0x9616 (rev. 0x00)
ppb1 at pci0 dev 6 function 0: vendor 0x1022 product 0x9606 (rev. 0x00)
ppb1: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s
ppb1: link is x1 @ 2.5GT/s
pci2 at ppb1 bus 2
pci2: i/o space, memory space enabled, rd/line, wr/inv ok
re0 at pci2 dev 0 function 0: RealTek 8168/8111 PCIe Gigabit Ethernet (rev. 0x02)
re0: interrupting at ioapic0 pin 18
re0: Ethernet address 00:24:8c:bc:0c:d5
re0: using 256 tx descriptors
rgephy0 at re0 phy 7: RTL8169S/8110S/8211 1000BASE-T media interface, rev. 2
rgephy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
ahcisata0 at pci0 dev 17 function 0: vendor 0x1002 product 0x4391 (rev. 0x00)
ahcisata0: interrupting at ioapic0 pin 22
ahcisata0: 64-bit DMA
ahcisata0: AHCI revision 1.10, 6 ports, 32 slots, CAP 0xf722ff85<CCCS,PSC,SSC,PMD,SPM,ISS=0x2=Gen2,SCLO,SAL,SALP,SMPS,SSNTF,SNCQ,S64A>
atabus0 at ahcisata0 channel 0
atabus1 at ahcisata0 channel 1
atabus2 at ahcisata0 channel 2
atabus3 at ahcisata0 channel 3
atabus4 at ahcisata0 channel 4
atabus5 at ahcisata0 channel 5
ohci0 at pci0 dev 18 function 0: vendor 0x1002 product 0x4397 (rev. 0x00)
ohci0: interrupting at ioapic0 pin 16
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
ohci1 at pci0 dev 18 function 1: vendor 0x1002 product 0x4398 (rev. 0x00)
ohci1: interrupting at ioapic0 pin 16
ohci1: OHCI version 1.0, legacy support
usb1 at ohci1: USB revision 1.0
ehci0 at pci0 dev 18 function 2: vendor 0x1002 product 0x4396 (rev. 0x00)
ehci0: interrupting at ioapic0 pin 17
ehci0: dropped intr workaround enabled
ehci0: EHCI version 1.0
ehci0: companion controllers, 3 ports each: ohci0 ohci1
usb2 at ehci0: USB revision 2.0
ohci2 at pci0 dev 19 function 0: vendor 0x1002 product 0x4397 (rev. 0x00)
ohci2: interrupting at ioapic0 pin 18
ohci2: OHCI version 1.0, legacy support
usb3 at ohci2: USB revision 1.0
ohci3 at pci0 dev 19 function 1: vendor 0x1002 product 0x4398 (rev. 0x00)
ohci3: interrupting at ioapic0 pin 18
ohci3: OHCI version 1.0, legacy support
usb4 at ohci3: USB revision 1.0
ehci1 at pci0 dev 19 function 2: vendor 0x1002 product 0x4396 (rev. 0x00)
ehci1: interrupting at ioapic0 pin 19
ehci1: dropped intr workaround enabled
ehci1: EHCI version 1.0
ehci1: companion controllers, 3 ports each: ohci2 ohci3
usb5 at ehci1: USB revision 2.0
piixpm0 at pci0 dev 20 function 0: vendor 0x1002 product 0x4385 (rev. 0x3c)
piixpm0: interrupting at SMI, polling
iic0 at piixpm0: I2C bus
ixpide0 at pci0 dev 20 function 1: ATI Technologies IXP IDE Controller (rev. 0x00)
ixpide0: bus-master DMA support present
ixpide0: primary channel configured to compatibility mode
ixpide0: primary channel interrupting at ioapic0 pin 14
atabus6 at ixpide0 channel 0
ixpide0: secondary channel configured to compatibility mode
ixpide0: secondary channel interrupting at ioapic0 pin 15
atabus7 at ixpide0 channel 1
hdaudio0 at pci0 dev 20 function 2: HD Audio Controller
hdaudio0: interrupting at ioapic0 pin 16
hdafg0 at hdaudio0: VIA VT1708B 8ch
hdafg0: DAC00 8ch: Speaker [Jack], HP Out [Jack]
hdafg0: ADC01 2ch: CD [Built-In], Line In [Jack], Mic In [Jack]
hdafg0: DIG02 2ch: SPDIF Out [Jack]
hdafg0: 8ch/2ch 48000Hz PCM16*
audio0 at hdafg0: full duplex, playback, capture, mmap, independent
pcib0 at pci0 dev 20 function 3: vendor 0x1002 product 0x439d (rev. 0x00)
ppb2 at pci0 dev 20 function 4: vendor 0x1002 product 0x4384 (rev. 0x00)
pci3 at ppb2 bus 3
pci3: i/o space, memory space enabled
ohci4 at pci0 dev 20 function 5: vendor 0x1002 product 0x4399 (rev. 0x00)
ohci4: interrupting at ioapic0 pin 18
ohci4: OHCI version 1.0, legacy support
usb6 at ohci4: USB revision 1.0
pchb1 at pci0 dev 24 function 0: vendor 0x1022 product 0x1200 (rev. 0x00)
pchb2 at pci0 dev 24 function 1: vendor 0x1022 product 0x1201 (rev. 0x00)
pchb3 at pci0 dev 24 function 2: vendor 0x1022 product 0x1202 (rev. 0x00)
amdnb_misc0 at pci0 dev 24 function 3: AMD NB Misc Configuration
pchb4 at pci0 dev 24 function 4: vendor 0x1022 product 0x1204 (rev. 0x00)
isa0 at pcib0
pckbc0 at isa0 port 0x60-0x64
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: HLT, lat   0 us, pow     0 mW
acpicpu0: P0: FFH, lat   2 us, pow 23500 mW, 2200 MHz
acpicpu0: P1: FFH, lat   2 us, pow 14280 mW, 1100 MHz
acpicpu0: T0: I/O, lat   1 us, pow     0 mW, 100 %
acpicpu0: T1: I/O, lat   1 us, pow     0 mW,  88 %
acpicpu0: T2: I/O, lat   1 us, pow     0 mW,  76 %
acpicpu0: T3: I/O, lat   1 us, pow     0 mW,  64 %
acpicpu0: T4: I/O, lat   1 us, pow     0 mW,  52 %
acpicpu0: T5: I/O, lat   1 us, pow     0 mW,  40 %
acpicpu0: T6: I/O, lat   1 us, pow     0 mW,  28 %
acpicpu0: T7: I/O, lat   1 us, pow     0 mW,  16 %
acpicpu1 at cpu1: ACPI CPU
acpicpu2 at cpu2: ACPI CPU
acpicpu3 at cpu3: ACPI CPU
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
timecounter: Timecounter "TSC" frequency 2209811320 Hz quality 3000
IPsec: Initialized Security Association Processing.
uhub0 at usb3: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
uhub1 at usb6: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhub2 at usb1: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 3 ports with 3 removable, self powered
uhub3 at usb4: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 3 ports with 3 removable, self powered
uhub4 at usb0: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub4: 3 ports with 3 removable, self powered
uhub5 at usb5: vendor 0x1002 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub5: 6 ports with 6 removable, self powered
uhub6 at usb2: vendor 0x1002 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub6: 6 ports with 6 removable, self powered
ahcisata0 port 0: device present, speed: 3.0Gb/s
ahcisata0 port 1: device present, speed: 3.0Gb/s
ahcisata0 port 2: device present, speed: 3.0Gb/s
ahcisata0 port 3: device present, speed: 3.0Gb/s
ahcisata0 port 4: device present, speed: 3.0Gb/s
ahcisata0 port 5: device present, speed: 3.0Gb/s
wd0 at atabus0 drive 0
wd0: <SAMSUNG HD154UI>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 1397 GB, 2907021 cyl, 16 head, 63 sec, 512 bytes/sect x 2930277168 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 7
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd1 at atabus1 drive 0
wd1: <Hitachi HDS5C3020ALA632>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 1863 GB, 3876021 cyl, 16 head, 63 sec, 512 bytes/sect x 3907029168 sectors
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd2 at atabus2 drive 0
wd2: <SAMSUNG HD154UI>
wd2: drive supports 16-sector PIO transfers, LBA48 addressing
wd2: 1397 GB, 2907021 cyl, 16 head, 63 sec, 512 bytes/sect x 2930277168 sectors
wd2: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 7
wd2(ahcisata0:2:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd3 at atabus3 drive 0
wd3: <ST2000DM001-1ER164>
wd3: drive supports 16-sector PIO transfers, LBA48 addressing
wd3: 1863 GB, 3876021 cyl, 16 head, 63 sec, 512 bytes/sect x 3907029168 sectors
wd3: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd3(ahcisata0:3:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd4 at atabus4 drive 0
wd4: <SAMSUNG HD103UJ>
wd4: drive supports 16-sector PIO transfers, LBA48 addressing
wd4: 931 GB, 1938021 cyl, 16 head, 63 sec, 512 bytes/sect x 1953525168 sectors
wd4: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 7
wd4(ahcisata0:4:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd5 at atabus5 drive 0
wd5: <Hitachi HDS5C3020ALA632>
wd5: drive supports 16-sector PIO transfers, LBA48 addressing
wd5: 1863 GB, 3876021 cyl, 16 head, 63 sec, 512 bytes/sect x 3907029168 sectors
wd5: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd5(ahcisata0:5:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
Kernelized RAIDframe activated
pad0: outputs: 44100Hz, 16-bit, stereo
audio1 at pad0: half duplex, playback, capture
uhidev0 at uhub2 port 3 configuration 1 interface 0
uhidev0: Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint, rev 1.10/1.26, addr 2, iclass 3/1
ukbd0 at uhidev0
raid0: RAID Level 1
raid0: Components: /dev/wd0a /dev/wd2a
raid0: Total Sectors: 44040128 (21503 MB)
boot device: raid0
root on raid0a dumps on raid0b
root file system type: ffs
drm: initializing kernel modesetting (RS780 0x1002:0x9616 0x1043:0x8388).
drm: register mmio base: 0xfbef0000
drm: register mmio size: 65536
drm kern info: ATOM BIOS: B27722_RS780C
radeon0: info: VRAM: 32M 0x00000000C0000000 - 0x00000000C1FFFFFF (32M used)
radeon0: info: GTT: 512M 0x00000000A0000000 - 0x00000000BFFFFFFF
drm: Detected VRAM RAM=20M, BAR=32M
drm: RAM width 32bits DDR
Zone  kernel: Available graphics memory: 1416830 kiB
drm: radeon: 32M of VRAM memory ready
drm: radeon: 512M of GTT memory ready.
drm: Loading RS780 Microcode
drm: GART: num cpu pages 131072, num gpu pages 131072
drm: PCIE GART of 512M enabled (table at 0x00000000C0040000).
radeon0: info: WB enabled
radeon0: info: fence driver on ring 0 use gpu addr 0x00000000a0000c00 and cpu addr 0x0xffff800048a7ac00
drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
drm: Driver supports precise vblank timestamp query.
radeon0: interrupting at ioapic0 pin 18 (radeon)
drm: radeon: irq initialized.
drm: ring test on 0 succeeded in 1 usecs
drm: ib test on ring 0 succeeded in 0 usecs
drm: Radeon Display Connectors
drm: Connector 0:
drm:   VGA-1
drm:   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
drm:   Encoders:
drm:     CRT1: INTERNAL_KLDSCP_DAC1
drm: Connector 1:
drm:   DVI-D-1
drm:   HPD1
drm:   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
drm:   Encoders:
drm:     DFP3: INTERNAL_KLDSCP_LVTMA
radeondrmkmsfb0 at radeon0
radeon0: info: registered panic notifier
radeondrmkmsfb0: framebuffer at 0xffff800048da0000, size 1024x768, depth 8, stride 1024
wsdisplay0 at radeondrmkmsfb0 kbdmux 1: console (default, vt100 emulation)
wsmux1: connecting to wsdisplay0
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev1 at uhub2 port 3 configuration 1 interface 1
uhidev1: Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint, rev 1.10/1.26, addr 2, iclass 3/0
uhidev1: 4 report ids
ums0 at uhidev1 reportid 1: 3 buttons
wsmouse0 at ums0 mux 0
uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0
uhid1 at uhidev1 reportid 3: input=3, output=1, feature=0
uhid2 at uhidev1 reportid 4: input=0, output=0, feature=4
Stripe target init function called!!
Stripe target chunk size 64 number of stripes 2
Stripe target device name /dev/wd5e -- offset 384
Stripe target device name /dev/wd1e -- offset 384
Stripe target init function called!!
Stripe target chunk size 64 number of stripes 2
Stripe target device name /dev/wd3e -- offset 384
Stripe target device name /dev/wd0e -- offset 384
Stripe target init function called!!
Stripe target chunk size 64 number of stripes 2
Stripe target device name /dev/wd2e -- offset 384
Stripe target device name /dev/wd4e -- offset 384
Stripe target init function called!!
Stripe target chunk size 64 number of stripes 2
Stripe target device name /dev/wd3e -- offset 2886230400
Stripe target device name /dev/wd2e -- offset 1953522048
wsdisplay0: screen 1 added (default, vt100 emulation)
wsdisplay0: screen 2 added (default, vt100 emulation)
wsdisplay0: screen 3 added (default, vt100 emulation)
wsdisplay0: screen 4 added (default, vt100 emulation)
aibs0: warning under limit on 'CHASSIS FAN Speed'
aibs0: warning under limit on 'CHASSIS FAN 2 Speed'
ukbd0: was console keyboard
wskbd0: detached
ukbd0: detached
uhidev0: detached
uhidev0: at uhub2 port 3 (addr 2) disconnected
wsmouse0: detached
ums0: detached
uhid0: detached
uhid1: detached
uhid2: detached
uhidev1: detached
uhidev1: at uhub2 port 3 (addr 2) disconnected

>How-To-Repeat:
Boot netbsd on asus motherboard with onboard Radeon 300
>Fix: