uname -a
Linux box 4.14.10-tinycore64 #1 SMP Sun Mar 25 16:55:52 GMT 2018 x86_64 GNU/Linux
lsmod
Module                  Size  Used by    Tainted: G  
bridge                 86016  0 
stp                    12288  1 bridge
llc                    12288  2 bridge,stp
ipv6                  282624 19 bridge,[permanent]
radeon               1011712  0 
squashfs               28672 47 
zstd_decompress        77824  1 squashfs
xxhash                 12288  1 zstd_decompress
loop                   20480 94 
snd_hda_codec_hdmi     32768  1 
fujitsu_laptop         12288  0 
ppdev                  12288  0 
parport_pc             24576  0 
snd_hda_intel          24576  0 
parport                32768  2 ppdev,parport_pc
snd_hda_codec          65536  2 snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep              12288  1 snd_hda_codec
igb                   118784  0 
i2c_piix4              16384  0 
video                  32768  1 fujitsu_laptop
sparse_keymap          12288  1 fujitsu_laptop
ptp                    16384  1 igb
fam15h_power           12288  0 
sp5100_tco             12288  0 
r8169                  53248  0 
mii                    12288  1 r8169
k10temp                12288  0 
pps_core               12288  1 ptp
pcspkr                 12288  0 
amdkfd                 49152  2 
xhci_pci               12288  0 
xhci_hcd               81920  1 xhci_pci
amdgpu               1404928  0 
snd_hda_core           36864  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_pcm                57344  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_timer              20480  1 snd_pcm
snd                    45056  6 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
soundcore              12288  1 snd
drm_kms_helper         90112  2 radeon,amdgpu
ttm                    57344  2 radeon,amdgpu
drm                   225280  4 radeon,amdgpu,drm_kms_helper,ttm
agpgart                28672  2 ttm,drm
backlight              12288  4 radeon,fujitsu_laptop,video,amdgpu
i2c_algo_bit           12288  3 radeon,igb,amdgpu
dmesg | grep -E 'AMDGPU|DRM|RADEON'''''''r'a'd'e'o'n'|radeon'|radeon'|radeon'd|radeon'r|radeon'm|radeon'|drm|radeon'|drm|radeon'|drm|radeon'|drm|radeon'|drm|radeon'|drm|radeon'a|drm|radeon'm|drm|radeon'd|drm|radeon'g|drm|radeon'p|drm|radeon'u|drm|radeon'|drm|radeon'
[    0.000000] Command line: console=tty0 console=ttyS0,57600n8 embed nozswap waitusb=5 radeon.si_support=0 radeon.cik_support=0 amdgpu.si_support=1 amdgpu.cik_support=1 root=UUID="591c13f3-1705-4ac4-8627-24a3eb973f36" tce=UUID="591c13f3-1705-4ac4-8627-24a3eb973f36" nodhcp noutc syslog tz=Europe/Berlin host=xenbox
[    0.000000] Kernel command line: console=tty0 console=ttyS0,57600n8 embed nozswap waitusb=5 radeon.si_support=0 radeon.cik_support=0 amdgpu.si_support=1 amdgpu.cik_support=1 root=UUID="591c13f3-1705-4ac4-8627-24a3eb973f36" tce=UUID="591c13f3-1705-4ac4-8627-24a3eb973f36" nodhcp noutc syslog tz=Europe/Berlin host=xenbox
[    4.121355] [drm] amdgpu kernel modesetting enabled.
[    4.524717] [drm] initializing kernel modesetting (KABINI 0x1002:0x9833 0x1734:0x1202 0x00).
[    4.524780] [drm] register mmio base: 0xFEB00000
[    4.524782] [drm] register mmio size: 262144
[    4.590251] [drm] BIOS signature incorrect 65 7
[    4.668743] [drm] GPU post is not needed
[    4.669386] [drm] vm size is 64 GB, block size is 13-bit, fragment size is 4-bit
[    4.669403] amdgpu 0000:00:01.0: VRAM: 32M 0x0000000F00000000 - 0x0000000F01FFFFFF (32M used)
[    4.669407] amdgpu 0000:00:01.0: GTT: 1024M 0x0000000F02000000 - 0x0000000F41FFFFFF
[    4.669423] [drm] Detected VRAM RAM=32M, BAR=32M
[    4.669424] [drm] RAM width 64bits UNKNOWN
[    4.680308] [drm] amdgpu: 32M of VRAM memory ready
[    4.680311] [drm] amdgpu: 3072M of GTT memory ready.
[    4.680341] [drm] GART: num cpu pages 262144, num gpu pages 262144
[    4.681099] [drm] PCIE GART of 1024M enabled (table at 0x0000000F00040000).
[    4.681228] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    4.681229] [drm] Driver supports precise vblank timestamp query.
[    4.681385] amdgpu 0000:00:01.0: amdgpu: using MSI.
[    4.681442] [drm] amdgpu: irq initialized.
[    4.681454] [drm] Internal thermal controller without fan control
[    4.681457] [drm] amdgpu: dpm initialized
[    4.682369] [drm] AMDGPU Display Connectors
[    4.682371] [drm] Connector 0:
[    4.682372] [drm]   DP-1
[    4.682373] [drm]   HPD1
[    4.682376] [drm]   DDC: 0x194c 0x194c 0x194d 0x194d 0x194e 0x194e 0x194f 0x194f
[    4.682377] [drm]   Encoders:
[    4.682378] [drm]     DFP1: INTERNAL_UNIPHY
[    4.682380] [drm] Connector 1:
[    4.682381] [drm]   DVI-I-1
[    4.682382] [drm]   HPD2
[    4.682384] [drm]   DDC: 0x1950 0x1950 0x1951 0x1951 0x1952 0x1952 0x1953 0x1953
[    4.682385] [drm]   Encoders:
[    4.682386] [drm]     DFP2: INTERNAL_UNIPHY
[    4.682387] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[    4.682427] amdgpu 0000:00:01.0: Direct firmware load for radeon/kabini_pfp.bin failed with error -2
[    4.682430] amdgpu 0000:00:01.0: Falling back to user helper
[    4.723419] gfx7: Failed to load firmware "radeon/kabini_pfp.bin"
[    4.723424] [drm:0xffffffffa00cb5c8] *ERROR* Failed to load gfx firmware!
[    4.723429] [drm:0xffffffffa009473d] *ERROR* sw_init of IP block <gfx_v7_0> failed -11
[    4.723434] amdgpu 0000:00:01.0: amdgpu_init failed
[    4.724809] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 2
[    4.724812] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724815] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 3
[    4.724817] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724819] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 4
[    4.724821] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724823] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 5
[    4.724825] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724829] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 2
[    4.724831] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724833] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 3
[    4.724835] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724837] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 4
[    4.724839] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724840] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 5
[    4.724842] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724847] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 2
[    4.724849] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724851] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 3
[    4.724853] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724854] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 4
[    4.724856] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724858] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 5
[    4.724860] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724864] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 2
[    4.724866] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724868] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 3
[    4.724869] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724871] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 4
[    4.724873] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724875] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 5
[    4.724877] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724882] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 2
[    4.724883] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724885] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 3
[    4.724887] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724889] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 4
[    4.724891] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724893] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 5
[    4.724895] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724898] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 2
[    4.724900] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724902] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 3
[    4.724906] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724908] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 4
[    4.724910] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.724912] [drm:0xffffffffa00c65bf] *ERROR* invalid pageflip crtc 5
[    4.724914] [drm:0xffffffffa00ed312] *ERROR* error disabling interrupt (-22)
[    4.731550] [drm] amdgpu: ttm finalized
[    4.731561] amdgpu 0000:00:01.0: Fatal error during GPU init
[    4.731566] [drm] amdgpu: finishing device.
[    5.730288] amdgpu: probe of 0000:00:01.0 failed with error -11
[   19.092224] [drm] radeon kernel modesetting enabled.
[   19.121963] radeon 0000:00:01.0: CIK support disabled by module param
mount
rootfs on / type rootfs (rw)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,mode=600,ptmxmode=000)
tmpfs on /dev/shm type tmpfs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
/dev/sda1 on /mnt/sda1 type ext3 (rw,relatime,data=ordered)
/mnt/sda1/tce/optional/attr.tcz on /tmp/tcloop/attr type squashfs (ro,relatime)
/mnt/sda1/tce/optional/acl.tcz on /tmp/tcloop/acl type squashfs (ro,relatime)
/mnt/sda1/tce/optional/ncursesw.tcz on /tmp/tcloop/ncursesw type squashfs (ro,relatime)
/mnt/sda1/tce/optional/readline.tcz on /tmp/tcloop/readline type squashfs (ro,relatime)
/mnt/sda1/tce/optional/bash.tcz on /tmp/tcloop/bash type squashfs (ro,relatime)
/mnt/sda1/tce/optional/netfilter-4.14.10-tinycore64.tcz on /tmp/tcloop/netfilter-4.14.10-tinycore64 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/ipv6-4.14.10-tinycore64.tcz on /tmp/tcloop/ipv6-4.14.10-tinycore64 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/net-bridging-4.14.10-tinycore64.tcz on /tmp/tcloop/net-bridging-4.14.10-tinycore64 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/bridge-utils.tcz on /tmp/tcloop/bridge-utils type squashfs (ro,relatime)
/mnt/sda1/tce/optional/bzip2-lib.tcz on /tmp/tcloop/bzip2-lib type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libcap.tcz on /tmp/tcloop/libcap type squashfs (ro,relatime)
/mnt/sda1/tce/optional/gmp.tcz on /tmp/tcloop/gmp type squashfs (ro,relatime)
/mnt/sda1/tce/optional/coreutils.tcz on /tmp/tcloop/coreutils type squashfs (ro,relatime)
/mnt/sda1/tce/optional/firmware-amdgpu.tcz on /tmp/tcloop/firmware-amdgpu type squashfs (ro,relatime)
/mnt/sda1/tce/optional/firmware-radeon.tcz on /tmp/tcloop/firmware-radeon type squashfs (ro,relatime)
/mnt/sda1/tce/optional/pcre.tcz on /tmp/tcloop/pcre type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libffi.tcz on /tmp/tcloop/libffi type squashfs (ro,relatime)
/mnt/sda1/tce/optional/glib2.tcz on /tmp/tcloop/glib2 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/i2c-4.14.10-tinycore64.tcz on /tmp/tcloop/i2c-4.14.10-tinycore64 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/graphics-4.14.10-tinycore64.tcz on /tmp/tcloop/graphics-4.14.10-tinycore64 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/iasl.tcz on /tmp/tcloop/iasl type squashfs (ro,relatime)
/mnt/sda1/tce/optional/iptables.tcz on /tmp/tcloop/iptables type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libdb.tcz on /tmp/tcloop/libdb type squashfs (ro,relatime)
/mnt/sda1/tce/optional/iproute2.tcz on /tmp/tcloop/iproute2 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libaio.tcz on /tmp/tcloop/libaio type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libjpeg-turbo.tcz on /tmp/tcloop/libjpeg-turbo type squashfs (ro,relatime)
/mnt/sda1/tce/optional/liblzma.tcz on /tmp/tcloop/liblzma type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libpng.tcz on /tmp/tcloop/libpng type squashfs (ro,relatime)
/mnt/sda1/tce/optional/openssl.tcz on /tmp/tcloop/openssl type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libssh2.tcz on /tmp/tcloop/libssh2 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libvncserver.tcz on /tmp/tcloop/libvncserver type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libXdmcp.tcz on /tmp/tcloop/libXdmcp type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libXau.tcz on /tmp/tcloop/libXau type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libxcb.tcz on /tmp/tcloop/libxcb type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libX11.tcz on /tmp/tcloop/libX11 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/libyajl.tcz on /tmp/tcloop/libyajl type squashfs (ro,relatime)
/mnt/sda1/tce/optional/slang.tcz on /tmp/tcloop/slang type squashfs (ro,relatime)
/mnt/sda1/tce/optional/mc.tcz on /tmp/tcloop/mc type squashfs (ro,relatime)
/mnt/sda1/tce/optional/ncurses.tcz on /tmp/tcloop/ncurses type squashfs (ro,relatime)
/mnt/sda1/tce/optional/openssh.tcz on /tmp/tcloop/openssh type squashfs (ro,relatime)
/mnt/sda1/tce/optional/pciutils-dev.tcz on /tmp/tcloop/pciutils-dev type squashfs (ro,relatime)
/mnt/sda1/tce/optional/perl5.tcz on /tmp/tcloop/perl5 type squashfs (ro,relatime)
/mnt/sda1/tce/optional/pixman.tcz on /tmp/tcloop/pixman type squashfs (ro,relatime)
/mnt/sda1/tce/optional/sdl.tcz on /tmp/tcloop/sdl type squashfs (ro,relatime)
/mnt/sda1/tce/optional/udev-lib.tcz on /tmp/tcloop/udev-lib type squashfs (ro,relatime)
/mnt/sda1/tce/optional/util-linux.tcz on /tmp/tcloop/util-linux type squashfs (ro,relatime)
/mnt/sda1/tce/optional/xen4-tools.tcz on /tmp/tcloop/xen4-tools type squashfs (ro,relatime)
cat .config | grep -E 'AMDGPU|DRM|RADEON'
CONFIG_DRM=m
CONFIG_DRM_DP_AUX_CHARDEV=y
# CONFIG_DRM_DEBUG_MM_SELFTEST is not set
CONFIG_DRM_KMS_HELPER=m
CONFIG_DRM_KMS_FB_HELPER=y
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_FBDEV_OVERALLOC=100
# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
CONFIG_DRM_TTM=m
# CONFIG_DRM_I2C_CH7006 is not set
# CONFIG_DRM_I2C_SIL164 is not set
# CONFIG_DRM_I2C_NXP_TDA998X is not set
# CONFIG_DRM_RADEON is not set
CONFIG_DRM_AMDGPU=m
CONFIG_DRM_AMDGPU_SI=y
CONFIG_DRM_AMDGPU_CIK=y
CONFIG_DRM_AMDGPU_USERPTR=y
# CONFIG_DRM_AMDGPU_GART_DEBUGFS is not set
CONFIG_DRM_AMD_ACP=y
# CONFIG_DRM_NOUVEAU is not set
# CONFIG_DRM_I915 is not set
CONFIG_DRM_VGEM=m
CONFIG_DRM_VMWGFX=m
CONFIG_DRM_VMWGFX_FBCON=y
# CONFIG_DRM_GMA500 is not set
CONFIG_DRM_UDL=m
# CONFIG_DRM_AST is not set
# CONFIG_DRM_MGAG200 is not set
CONFIG_DRM_CIRRUS_QEMU=m
CONFIG_DRM_QXL=m
CONFIG_DRM_BOCHS=m
CONFIG_DRM_VIRTIO_GPU=m
CONFIG_DRM_PANEL=y
CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y
# CONFIG_DRM_ANALOGIX_ANX78XX is not set
CONFIG_DRM_HISI_HIBMC=m
# CONFIG_DRM_TINYDRM is not set
# CONFIG_DRM_LEGACY is not set
# CONFIG_DRM_LIB_RANDOM is not set
# CONFIG_FB_RADEON is not set
still no luck ... black screen still exists