It may be me but I have a strange problem with 3D. Glxgears runs:
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722 frames in 5.0 seconds = 143.572 FPS
806 frames in 5.0 seconds = 161.012 FPS
780 frames in 5.0 seconds = 155.971 FPS
808 frames in 5.0 seconds = 161.413 FPS
811 frames in 5.0 seconds = 162.092 FPS
811 frames in 5.0 seconds = 162.006 FPS
791 frames in 5.0 seconds = 158.177 FPS
771 frames in 5.0 seconds = 154.171 FPS
473 frames in 5.0 seconds = 93.951 FP
But I can not get 3d games like Chromium or compiz to work accelerated. Chromium starts but is extremely slow and when I try to start compiz with fusion-icon I get:
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benny@ubuntu-mate:~$ fusion-icon
* Detected Session: mate
* Searching for installed applications...
Segmenterror (smed core)
I get this when i lspci.
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benny@ubuntu-mate:~$ lspci -v
0000:00:00.0 PCI bridge: Freescale Semiconductor Inc Device 0421 (rev 20) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 482
Memory at <ignored> (32-bit, non-prefetchable)
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00000000-0000ffff
Memory behind bridge: e0000000-ffffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
0000:01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Curacao XT / Trinidad XT [Radeon R7 370 / R9 270X/370X] (prog-if 00 [VGA controller])
Subsystem: PC Partner Limited / Sapphire Technology Curacao XT [Radeon R7 370 / R9 270X/370 OEM]
Flags: bus master, fast devsel, latency 0, IRQ 41
Memory at c00000000 (64-bit, prefetchable) [size=256M]
Memory at c10000000 (64-bit, non-prefetchable) [size=256K]
I/O ports at 1000 [size=256]
Expansion ROM at c10060000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon
Kernel modules: amdgpu
0000:01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
Subsystem: PC Partner Limited / Sapphire Technology Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
Flags: bus master, fast devsel, latency 0, IRQ 42
Memory at c10040000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
1000:00:00.0 PCI bridge: Freescale Semiconductor Inc Device 0421 (rev 20) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 481
Memory at <ignored> (32-bit, non-prefetchable)
Bus: primary=00, secondary=01, subordinate=09, sec-latency=0
I/O behind bridge: 00000000-0000ffff
Memory behind bridge: e0000000-ffffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:01:00.0 PCI bridge: Integrated Device Technology, Inc. [IDT] Device 8092 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=01, secondary=02, subordinate=09, sec-latency=0
I/O behind bridge: 00001000-00002fff
Memory behind bridge: e0000000-e00fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:02:01.0 PCI bridge: Integrated Device Technology, Inc. [IDT] Device 8092 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 21
Bus: primary=02, secondary=03, subordinate=04, sec-latency=0
I/O behind bridge: 00001000-00001fff
Memory behind bridge: e0000000-e00fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:02:02.0 PCI bridge: Integrated Device Technology, Inc. [IDT] Device 8092 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 22
Bus: primary=02, secondary=05, subordinate=05, sec-latency=0
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:02:03.0 PCI bridge: Integrated Device Technology, Inc. [IDT] Device 8092 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 23
Bus: primary=02, secondary=06, subordinate=07, sec-latency=0
I/O behind bridge: 00002000-00002fff
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:02:08.0 PCI bridge: Integrated Device Technology, Inc. [IDT] Device 8092 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 26
Bus: primary=02, secondary=08, subordinate=08, sec-latency=0
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:02:10.0 PCI bridge: Integrated Device Technology, Inc. [IDT] Device 8092 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 27
Bus: primary=02, secondary=09, subordinate=09, sec-latency=0
Capabilities: <access denied>
Kernel driver in use: pcieport
1000:03:00.0 PCI bridge: Pericom Semiconductor PI7C9X111SL PCIe-to-PCI Reversible Bridge (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 18
Bus: primary=03, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: 00001000-00001fff
Memory behind bridge: e0000000-e00fffff
Capabilities: <access denied>
1000:04:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller (rev 10)
Subsystem: Netgear GA311
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
I/O ports at 1000 [size=256]
Memory at c20000000 (32-bit, non-prefetchable) [size=256]
[virtual] Expansion ROM at c20020000 [disabled] [size=128K]
Kernel driver in use: r8169
1000:04:05.0 RAID bus controller: Silicon Image, Inc. SiI 3114 [SATALink/SATARaid] Serial ATA Controller (rev 02)
Subsystem: Silicon Image, Inc. SiI 3114 [SATALink/SATARaid] Serial ATA Controller
Flags: bus master, 66MHz, medium devsel, latency 128, IRQ 19
I/O ports at 1100 [size=8]
I/O ports at 1108 [size=4]
I/O ports at 1110 [size=8]
I/O ports at 1118 [size=4]
I/O ports at 1120 [size=16]
Memory at c20000400 (32-bit, non-prefetchable) [size=1K]
[virtual] Expansion ROM at c20080000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: sata_sil
1000:06:00.0 PCI bridge: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 20
Bus: primary=06, secondary=07, subordinate=07, sec-latency=0
I/O behind bridge: 00002000-00002fff
Capabilities: <access denied>
1000:07:00.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01)
Subsystem: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller
Flags: bus master, medium devsel, latency 128, IRQ 20
I/O ports at 2000 [size=32]
I/O ports at 2080 [size=128]
Capabilities: <access denied>
Kernel driver in use: snd_ice1724