Other AMD/ATI HD 4250 series goes slow

Hi. I installed Awesome as a desktop manager, and it's working bad. When I installed KDE Plasma, all behaved as expected.
I installed kde5, sddm; did the respective configurations, and installed xorg. And worked just fine. Now I don't know what's wrong with the awesome desktop.
I added my user to the video group, wheel and operator, as I did a couple of years. I installed the video driver drm-kmod and put
Code:
kld_list="/boot/modules/radeonkms.ko"
here:
Code:
 /etc/rc.conf
When I installed FreeBSD the first time.

My video card is an integrated on the motherboard.

Thanks for helping out!
 
Are there any suspicious messages in the output of dmesg or in your /var/log/Xorg.0.log?
Code:
---<<BOOT>>---
Copyright (c) 1992-2019 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 12.1-RELEASE r354233 GENERIC amd64
FreeBSD clang version 8.0.1 (tags/RELEASE_801/final 366581) (based on LLVM 8.0.1)
VT(vga): resolution 640x480
CPU: AMD Phenom(tm) II X4 965 Processor (3400.01-MHz K8-class CPU)
  Origin="AuthenticAMD"  Id=0x100f43  Family=0x10  Model=0x4  Stepping=3
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x802009<SSE3,MON,CX16,POPCNT>
  AMD Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!>
  AMD Features2=0x837ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT,NodeId>
  SVM: (disabled in BIOS) NP,NRIP,NAsids=64
  TSC: P-state invariant
real memory  = 5368709120 (5120 MB)
avail memory = 4887085056 (4660 MB)
Event timer "LAPIC" quality 100
ACPI APIC Table: <031612 APIC2114>
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s)
Firmware Warning (ACPI): 32/64X length mismatch in FADT/Gpe0Block: 64/32 (20181213/tbfadt-748)
ioapic0 <Version 2.1> irqs 0-23 on motherboard
Launching APs: 1 2 3
Timecounter "TSC-low" frequency 1700003383 Hz quality 800
random: entropy device external interface
kbd1 at kbdmux0
000.000023 [4335] netmap_init               netmap: loaded module
[ath_hal] loaded
module_register_init: MOD_LOAD (vesa, 0xffffffff8112e050, 0) error 19
nexus0
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <031612 XSDT2114> on motherboard
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
atrtc0: registered as a time-of-day clock, resolution 1.000000s
Event timer "RTC" frequency 32768 Hz quality 0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 450
Event timer "HPET1" frequency 14318180 Hz quality 450
Event timer "HPET2" frequency 14318180 Hz quality 450
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
acpi_ec0: <Embedded Controller: GPE 0xa> port 0x62,0x66 on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0xd000-0xd0ff mem 0xd0000000-0xdfffffff,0xfeaf0000-0xfeafffff,0xfe900000-0xfe9fffff irq 18 at device 5.0 on pci1
vgapci0: Boot video device
hdac0: <ATI (0x970f) HDA Controller> mem 0xfeae8000-0xfeaebfff irq 19 at device 5.1 on pci1
pcib2: <ACPI PCI-PCI bridge> irq 19 at device 7.0 on pci0
pci2: <ACPI PCI bus> on pcib2
xhci0: <ASMedia ASM1042 USB 3.0 controller> mem 0xfebf0000-0xfebf7fff irq 19 at device 0.0 on pci2
xhci0: 32 bytes context size, 32-bit DMA
xhci0: Unable to map MSI-X table
usbus0 on xhci0
usbus0: 5.0Gbps Super Speed USB v3.0
pcib3: <ACPI PCI-PCI bridge> irq 18 at device 10.0 on pci0
pci3: <ACPI PCI bus> on pcib3
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port 0xe800-0xe8ff mem 0xfdfff000-0xfdffffff,0xfdff8000-0xfdffbfff irq 18 at device 0.0 on pci3
re0: Using 1 MSI-X message
re0: Chip rev. 0x2c800000
re0: MAC rev. 0x00100000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on miibus0
rgephy0:  none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow
re0: Using defaults for TSO: 65518/35/2048
re0: Ethernet address: 30:85:a9:ae:ec:b0
re0: netmap queues/slots: TX 1/256, RX 1/256
ahci0: <AMD SB7x0/SB8x0/SB9x0 AHCI SATA controller> port 0xc000-0xc007,0xb000-0xb003,0xa000-0xa007,0x9000-0x9003,0x8000-0x800f mem 0xfe8ffc00-0xfe8fffff irq 19 at device 17.0 on pci0
ahci0: AHCI v1.20 with 4 6Gbps ports, Port Multiplier supported
ahci0: quirks=0x22000<ATI_PMP_BUG,1MSI>
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
ahcich3: <AHCI channel> at channel 3 on ahci0
ohci0: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfe8fe000-0xfe8fefff irq 18 at device 18.0 on pci0
usbus1 on ohci0
usbus1: 12Mbps Full Speed USB v1.0
ehci0: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfe8ff800-0xfe8ff8ff irq 17 at device 18.2 on pci0
usbus2: EHCI version 1.0
usbus2 on ehci0
usbus2: 480Mbps High Speed USB v2.0
ohci1: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfe8fd000-0xfe8fdfff irq 18 at device 19.0 on pci0
usbus3 on ohci1
usbus3: 12Mbps Full Speed USB v1.0
ehci1: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfe8ff400-0xfe8ff4ff irq 17 at device 19.2 on pci0
usbus4: EHCI version 1.0
usbus4 on ehci1
usbus4: 480Mbps High Speed USB v2.0
atapci0: <ATI IXP700/800 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on pci0
ata0: <ATA channel> at channel 0 on atapci0
ata1: <ATA channel> at channel 1 on atapci0
hdac1: <ATI SB600 HDA Controller> mem 0xfe8f8000-0xfe8fbfff irq 16 at device 20.2 on pci0
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
pcib4: <ACPI PCI-PCI bridge> at device 20.4 on pci0
pci4: <ACPI PCI bus> on pcib4
ohci2: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfe8fc000-0xfe8fcfff irq 18 at device 20.5 on pci0
usbus5 on ohci2
usbus5: 12Mbps Full Speed USB v1.0
ohci3: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfe8f7000-0xfe8f7fff irq 18 at device 22.0 on pci0
usbus6 on ohci3
usbus6: 12Mbps Full Speed USB v1.0
ehci2: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfe8ff000-0xfe8ff0ff irq 17 at device 22.2 on pci0
usbus7: EHCI version 1.0
usbus7 on ehci2
usbus7: 480Mbps High Speed USB v2.0
acpi_button0: <Power Button> on acpi0
ppc0: <Parallel port> port 0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
orm0: <ISA Option ROM> at iomem 0xc0000-0xcefff pnpid ORM0000 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbdc0: non-PNP ISA device will be removed from GENERIC in FreeBSD 12.
hwpstate0: <Cool`n'Quiet 2.0> on cpu0
Timecounters tick every 1.000 msec
hdacc0: <ATI RS690/780 HDA CODEC> at cad 0 on hdac0
hdaa0: <ATI RS690/780 Audio Function Group> at nid 1 on hdacc0
pcm0: <ATI RS690/780 (HDMI)> at nid 3 on hdaa0
hdacc1: <Realtek ALC892 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC892 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC892 (Rear Analog 7.1/2.0)> at nid 20,22,21,23 and 24,26 on hdaa1
pcm2: <Realtek ALC892 (Front Analog)> at nid 27 and 25 on hdaa1
pcm3: <Realtek ALC892 (Rear Digital)> at nid 30 on hdaa1
pcm4: <Realtek ALC892 (Onboard Digital)> at nid 17 on hdaa1
ugen2.1: <ATI EHCI root HUB> at usbus2
ugen4.1: <ATI EHCI root HUB> at usbus4
ugen5.1: <ATI OHCI root HUB> at usbus5
ugen0.1: <0x1b21 XHCI root HUB> at usbus0
uhub0: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
uhub1: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus4
uhub2: <0x1b21 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
ugen3.1: <ATI OHCI root HUB> at usbus3
ugen7.1: <ATI EHCI root HUB> at usbus7
uhub3: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
uhub4: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus3
ugen6.1: <ATI OHCI root HUB> at usbus6
uhub5: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus7
uhub6: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
ugen1.1: <ATI OHCI root HUB> at usbus1
uhub7: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
uhub3: 2 ports with 2 removable, self powered
uhub6: 4 ports with 4 removable, self powered
uhub4: 5 ports with 5 removable, self powered
uhub7: 5 ports with 5 removable, self powered
uhub2: 4 ports with 4 removable, self powered
uhub5: 4 ports with 4 removable, self powered
uhub0: 5 ports with 5 removable, self powered
uhub1: 5 ports with 5 removable, self powered
ugen3.2: <Logitech USB Receiver> at usbus3
ukbd0 on uhub4
ukbd0: <Logitech USB Receiver, class 0/0, rev 2.00/24.05, addr 2> on usbus3
kbd2 at ukbd0
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <WDC WD5000AAKX-001CA0 15.01H15> ATA8-ACS SATA 3.x device
ada0: Serial Number WD-WCAYUR121284
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 476940MB (976773168 512 byte sectors)
cd0 at ata0 bus 0 scbus4 target 1 lun 0
cd0: <HL-DT-ST DVDRAM GH24NS70 GN00> Removable CD-ROM SCSI device
cd0: Serial Number K00221D3543
cd0: 150.000MB/s transfers (SATA, UDMA5, ATAPI 12bytes, PIO 8192bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
ada1: <KINGSTON SVP200S37A120G 502ABBF0> ATA8-ACS SATA 3.x device
ada1: Serial Number 50026B72270061BB
ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada1: Command Queueing enabled
ada1: 114473MB (234441648 512 byte sectors)
ada2 at ahcich3 bus 0 scbus3 target 0 lun 0
ada2: <WDC WD5000AAKX-001CA0 15.01H15> ATA8-ACS SATA 3.x device
ada2: Serial Number WD-WCAYUHW11878
ada2: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada2: Command Queueing enabled
ada2: 476940MB (976773168 512 byte sectors)
Trying to mount root from ufs:/dev/ada1p2 [rw]...
ugen3.3: <Logitech USB Receiver> at usbus3
WARNING: / was not properly dismounted
WARNING: /: mount pending error: blocks 0 files 6
random: unblocking device.
ugen3.4: <C-Media Electronics Inc. USB PnP Sound Device> at usbus3
info: [drm] Initialized drm 1.1.0 20060810
drmn0: =======================================================
drmn0: This code is obsolete abandonware. Install the graphics/drm-legacy-kmod pkg
drmn0: =======================================================
drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
drmn0: =======================================================
drmn0: This code is obsolete abandonware. Install the graphics/drm-legacy-kmod pkg
drmn0: =======================================================
drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
drmn0: <ATI Radeon HD 4250> on vgapci0
info: [drm] RADEON_IS_PCI
info: [drm] initializing kernel modesetting (RS880 0x1002:0x9715 0x1043:0x843E).
info: [drm] register mmio base: 0xFEAF0000
info: [drm] register mmio size: 65536
info: [drm] radeon_atrm_get_bios: ===> Try ATRM...
info: [drm] radeon_atrm_get_bios: IGP card detected, skipping this method...
info: [drm] radeon_acpi_vfct_bios: ===> Try VFCT...
info: [drm] radeon_acpi_vfct_bios: Get "VFCT" ACPI table
info: [drm] radeon_acpi_vfct_bios: Failed to get "VFCT" table: AE_NOT_FOUND
info: [drm] igp_read_bios_from_vram: ===> Try IGP's VRAM...
info: [drm] igp_read_bios_from_vram: VRAM base address: 0xd0000000
info: [drm] igp_read_bios_from_vram: Map address: 0xfffff800d0000000 (262144 bytes)
info: [drm] igp_read_bios_from_vram: Incorrect BIOS signature: 0x0000
info: [drm] radeon_read_bios: ===> Try PCI Expansion ROM...
info: [drm] radeon_read_bios: Map address: 0xfffff800000c0000 (131072 bytes)
info: [drm] ATOM BIOS: 113
drmn0: info: VRAM: 256M 0x00000000C0000000 - 0x00000000CFFFFFFF (256M used)
drmn0: info: GTT: 512M 0x00000000A0000000 - 0x00000000BFFFFFFF
info: [drm] Detected VRAM RAM=256M, BAR=256M
info: [drm] RAM width 32bits DDR
[TTM] Zone  kernel: Available graphics memory: 2470358 kiB
[TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[TTM] Initializing pool allocator
info: [drm] radeon: 256M of VRAM memory ready
info: [drm] radeon: 512M of GTT memory ready.
info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
info: [drm] Driver supports precise vblank timestamp query.
info: [drm] radeon: irq initialized.
info: [drm] GART: num cpu pages 131072, num gpu pages 131072
info: [drm] Loading RS780 Microcode
info: [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000).
drmn0: info: WB enabled
drmn0: info: fence driver on ring 0 use gpu addr 0x00000000a0000c00 and cpu addr 0x0xfffff80004d32c00
drmn0: info: fence driver on ring 3 use gpu addr 0x00000000a0000c0c and cpu addr 0x0xfffff80004d32c0c
info: [drm] ring test on 0 succeeded in 1 usecs
info: [drm] ring test on 3 succeeded in 1 usecs
info: [drm] ib test on ring 0 succeeded in 0 usecs
info: [drm] ib test on ring 3 succeeded in 0 usecs
info: [drm] radeon_device_init: Taking over the fictitious range 0xd0000000-0xe0000000
radeon_iicbb0 on drmn0
iicbus0: <Philips I2C bus> on iicbb0 addr 0xff
iic0: <I2C generic I/O> on iicbus0
radeon_iicbb1 on drmn0
iicbus1: <Philips I2C bus> on iicbb1 addr 0xff
iic1: <I2C generic I/O> on iicbus1
radeon_iicbb2 on drmn0
iicbus2: <Philips I2C bus> on iicbb2 addr 0xff
iic2: <I2C generic I/O> on iicbus2
radeon_iicbb3 on drmn0
iicbus3: <Philips I2C bus> on iicbb3 addr 0xff
iic3: <I2C generic I/O> on iicbus3
radeon_iicbb4 on drmn0
iicbus4: <Philips I2C bus> on iicbb4 addr 0xff
iic4: <I2C generic I/O> on iicbus4
info: [drm] Radeon Display Connectors
info: [drm] Connector 0:
info: [drm]   VGA-1
info: [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
info: [drm]   Encoders:
info: [drm]     CRT1: INTERNAL_KLDSCP_DAC1
info: [drm] Connector 1:
info: [drm]   DVI-D-1
info: [drm]   HPD1
info: [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
info: [drm]   Encoders:
info: [drm]     DFP3: INTERNAL_KLDSCP_LVTMA
info: [drm] radeon: power management initialized
info: [drm] Connector VGA-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.VGA-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DVI-D-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DVI-D-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] fb mappable at 0xD0142000
info: [drm] vram apper at 0xD0000000
info: [drm] size 8294400
info: [drm] fb depth is 24
info: [drm]    pitch is 7680
fbd0 on drmn0
VT: Replacing driver "vga" with new "fb".
info: [drm] Initialized radeon 2.29.0 20080528 for drmn0 on minor 0
lo0: link state changed to UP
re0: link state changed to DOWN
intsmb0: <AMD SB600/7xx/8xx/9xx SMBus Controller> at device 20.0 on pci0
smbus0: <System Management Bus> on intsmb0
ums0 on uhub4
ums0: <Logitech USB Receiver, class 0/0, rev 2.00/24.05, addr 2> on usbus3
ums0: 16 buttons and [XYZT] coordinates ID=2
uhid0 on uhub4
uhid0: <Logitech USB Receiver, class 0/0, rev 2.00/24.05, addr 2> on usbus3
ums1 on uhub4
ums1: <Logitech USB Receiver, class 0/0, rev 2.00/22.01, addr 3> on usbus3
ums1: 16 buttons and [XYZT] coordinates ID=0
uhid1 on uhub4
uhid1: <Logitech USB Receiver, class 0/0, rev 2.00/22.01, addr 3> on usbus3
uhid2 on uhub4
uhid2: <C-Media Electronics Inc. USB PnP Sound Device, class 0/0, rev 1.10/1.00, addr 4> on usbus3
uaudio0 on uhub4
uaudio0: <C-Media Electronics Inc. USB PnP Sound Device, class 0/0, rev 1.10/1.00, addr 4> on usbus3
uaudio0: No playback.
uaudio0: Record: 48000 Hz, 1 ch, 16-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Record: 44100 Hz, 1 ch, 16-bit S-LE PCM format, 2x8ms buffer.
uaudio0: No MIDI sequencer.
pcm5: <USB audio> on uaudio0
uaudio0: HID volume keys found.
re0: link state changed to UP

I don't know what to look for.
 
Can you elaborate on this? It is hard to troubleshoot such messages. What exactly is not working as expected?
When I move a youtube video window, the windows moves like jelly, becuase of a video running. KDE5 doesn't work like that, and I installed it. But, when I tried to use the system, said that, I need kde configuration files be writable. weird
 
Can you elaborate on this? It is hard to troubleshoot such messages. What exactly is not working as expected?
I think this is the Awesome WM, cause I erase the .config folder, that that was not writable, and kde worked well. KDE doesn't present those problems.
 
You could try if acceleration is working good.
Install the package "mesa-demos"
Then when you run "glxgears -info" you should see wheels turning without interruption.
The frames per second printed should be above 100.
 
I don't know what to look for.
Well, these lines look quite interesting:
Code:
info: [drm] Initialized drm 1.1.0 20060810
drmn0: =======================================================
drmn0: This code is obsolete abandonware. Install the graphics/drm-legacy-kmod pkg
drmn0: =======================================================
drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
drmn0: =======================================================
drmn0: This code is obsolete abandonware. Install the graphics/drm-legacy-kmod pkg
drmn0: =======================================================
drmn0: Deprecated code (to be removed in FreeBSD 13): drm2 drivers
drmn0: <ATI Radeon HD 4250> on vgapci0

If I understand correctly, your drm driver is not supported and you are prompted to install graphics/drm-legacy-kmod. You might look into this.
Take a look at this thread - I think you have a similar situation: https://forums.freebsd.org/threads/obsolete-abandonware-drm-legacy-kmod.70344/

Also, posting your Xorg.0.log could shed more light.
 
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