Ubuntu 16.04上的AMD Radeon VCE初始化错误（-22）
一切都运行良好，我在启动/玩游戏方面没有任何问题，但这让我失望。
$ sudo dmesg | grep -E '(drm)|(radeon)' [ 3.337655] [drm] Initialized drm 1.1.0 20060810 [ 3.387697] [drm] radeon kernel modesetting enabled. [ 3.397808] fb: switching to radeondrmfb from EFI VGA [ 3.398209] [drm] initializing kernel modesetting (ARUBA 0x1002:0x9903 0x17AA:0x3804). [ 3.398223] [drm] register mmio base: 0xF0300000 [ 3.398225] [drm] register mmio size: 262144 [ 3.398230] [drm] ACPI VFCT contains a BIOS for 00:01.0 1002:9903, size 19968 [ 3.398340] radeon 0000:00:01.0: VRAM: 768M 0x0000000000000000 - 0x000000002FFFFFFF (768M used) [ 3.398343] radeon 0000:00:01.0: GTT: 1024M 0x0000000030000000 - 0x000000006FFFFFFF [ 3.398346] [drm] Detected VRAM RAM=768M, BAR=256M [ 3.398347] [drm] RAM width 32bits DDR [ 3.398447] [drm] radeon: 768M of VRAM memory ready [ 3.398449] [drm] radeon: 1024M of GTT memory ready. [ 3.398472] [drm] Loading ARUBA Microcode [ 3.398544] [drm] Internal thermal controller without fan control [ 3.398720] [drm] radeon: dpm initialized [ 3.400703] [drm] Found VCE firmware/feedback version 50.0.1 / 17! [ 3.400719] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 3.423915] [drm] PCIE GART of 1024M enabled (table at 0x00000000002E8000). [ 3.424060] radeon 0000:00:01.0: WB enabled [ 3.424065] radeon 0000:00:01.0: fence driver on ring 0 use gpu addr 0x0000000030000c00 and cpu addr 0xffff88012863dc00 [ 3.424824] radeon 0000:00:01.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90001435a18 [ 3.444880] radeon 0000:00:01.0: fence driver on ring 6 use gpu addr 0x0000000030000c18 and cpu addr 0xffff88012863dc18 [ 3.444886] radeon 0000:00:01.0: fence driver on ring 7 use gpu addr 0x0000000030000c1c and cpu addr 0xffff88012863dc1c [ 3.444889] radeon 0000:00:01.0: fence driver on ring 1 use gpu addr 0x0000000030000c04 and cpu addr 0xffff88012863dc04 [ 3.444893] radeon 0000:00:01.0: fence driver on ring 2 use gpu addr 0x0000000030000c08 and cpu addr 0xffff88012863dc08 [ 3.444896] radeon 0000:00:01.0: fence driver on ring 3 use gpu addr 0x0000000030000c0c and cpu addr 0xffff88012863dc0c [ 3.444899] radeon 0000:00:01.0: fence driver on ring 4 use gpu addr 0x0000000030000c10 and cpu addr 0xffff88012863dc10 [ 3.444978] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 3.444981] [drm] Driver supports precise vblank timestamp query. [ 3.444986] radeon 0000:00:01.0: radeon: MSI limited to 32-bit [ 3.445268] radeon 0000:00:01.0: radeon: using MSI. [ 3.445635] [drm] radeon: irq initialized. [ 3.465125] [drm] ring test on 0 succeeded in 2 usecs [ 3.465134] [drm] ring test on 3 succeeded in 3 usecs [ 3.465141] [drm] ring test on 4 succeeded in 3 usecs [ 3.510932] [drm] ring test on 5 succeeded in 1 usecs [ 3.530848] [drm] UVD initialized successfully. [ 3.640228] [drm] ring test on 6 succeeded in 15 usecs [ 3.640239] [drm] ring test on 7 succeeded in 2 usecs [ 3.640241] [drm] VCE initialized successfully. [ 3.641273] [drm] ib test on ring 0 succeeded in 0 usecs [ 3.641814] [drm] ib test on ring 3 succeeded in 0 usecs [ 3.642385] [drm] ib test on ring 4 succeeded in 0 usecs [ 3.662903] [drm] ib test on ring 5 succeeded [ 4.179529] [drm] ib test on ring 6 succeeded [ 4.180128] [drm] ib test on ring 7 succeeded [ 4.184523] [drm] radeon atom DIG backlight initialized [ 4.184528] [drm] Radeon Display Connectors [ 4.184530] [drm] Connector 0: [ 4.184532] [drm] eDP-1 [ 4.184534] [drm] HPD1 [ 4.184536] [drm] DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c 0x653c [ 4.184538] [drm] Encoders: [ 4.184540] [drm] LCD1: INTERNAL_UNIPHY2 [ 4.184542] [drm] Connector 1: [ 4.184543] [drm] VGA-1 [ 4.184544] [drm] HPD2 [ 4.184547] [drm] DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c 0x654c [ 4.184548] [drm] Encoders: [ 4.184549] [drm] CRT1: INTERNAL_UNIPHY2 [ 4.184551] [drm] CRT1: NUTMEG [ 4.184552] [drm] Connector 2: [ 4.184553] [drm] HDMI-A-1 [ 4.184555] [drm] HPD3 [ 4.184557] [drm] DDC: 0x6550 0x6550 0x6554 0x6554 0x6558 0x6558 0x655c 0x655c [ 4.184558] [drm] Encoders: [ 4.184560] [drm] DFP1: INTERNAL_UNIPHY [ 5.395703] [drm] fb mappable at 0xD04EC000 [ 5.395708] [drm] vram apper at 0xD0000000 [ 5.395710] [drm] size 4325376 [ 5.395712] [drm] fb depth is 24 [ 5.395714] [drm] pitch is 5632 [ 5.395904] fbcon: radeondrmfb (fb0) is primary device [ 5.396045] radeon 0000:00:01.0: fb0: radeondrmfb frame buffer device [ 5.407948] [drm] Initialized radeon 2.43.0 20080528 for 0000:00:01.0 on minor 0 [ 5.408171] radeon 0000:01:00.0: enabling device (0000 -> 0003) [ 5.408554] [drm] initializing kernel modesetting (HAINAN 0x1002:0x6663 0x17AA:0x3804). [ 5.408568] [drm] register mmio base: 0xF0200000 [ 5.408570] [drm] register mmio size: 262144 [ 5.466510] [drm] GPU not posted. posting now... [ 5.470260] radeon 0000:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used) [ 5.470264] radeon 0000:01:00.0: GTT: 1024M 0x0000000080000000 - 0x00000000BFFFFFFF [ 5.470267] [drm] Detected VRAM RAM=2048M, BAR=256M [ 5.470269] [drm] RAM width 64bits DDR [ 5.470286] [drm] radeon: 2048M of VRAM memory ready [ 5.470289] [drm] radeon: 1024M of GTT memory ready. [ 5.470311] [drm] Loading hainan Microcode [ 5.470497] [drm] Internal thermal controller without fan control [ 5.470595] [drm] probing gen 2 caps for device 1022:1412 = 700d01/6 [ 5.480053] [drm] radeon: dpm initialized [ 5.480060] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 5.481570] [drm] probing gen 2 caps for device 1022:1412 = 700d01/6 [ 5.481577] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0 [ 5.824949] [drm] PCIE GART of 1024M enabled (table at 0x0000000000040000). [ 5.825088] radeon 0000:01:00.0: WB enabled [ 5.825093] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff88003461dc00 [ 5.825097] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff88003461dc04 [ 5.825100] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff88003461dc08 [ 5.825104] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff88003461dc0c [ 5.825107] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff88003461dc10 [ 5.825110] radeon 0000:01:00.0: VCE init error (-22). [ 5.825114] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 5.825116] [drm] Driver supports precise vblank timestamp query. [ 5.825119] radeon 0000:01:00.0: radeon: MSI limited to 32-bit [ 5.825227] radeon 0000:01:00.0: radeon: using MSI. [ 5.825266] [drm] radeon: irq initialized. [ 6.035647] [drm] ring test on 0 succeeded in 1 usecs [ 6.035656] [drm] ring test on 1 succeeded in 1 usecs [ 6.035663] [drm] ring test on 2 succeeded in 1 usecs [ 6.035672] [drm] ring test on 3 succeeded in 3 usecs [ 6.035679] [drm] ring test on 4 succeeded in 3 usecs [ 6.036445] [drm] ib test on ring 0 succeeded in 0 usecs [ 6.036509] [drm] ib test on ring 1 succeeded in 0 usecs [ 6.036547] [drm] ib test on ring 2 succeeded in 0 usecs [ 6.036586] [drm] ib test on ring 3 succeeded in 0 usecs [ 6.036614] [drm] ib test on ring 4 succeeded in 0 usecs [ 6.037806] [drm] Radeon Display Connectors [ 6.040326] [drm:radeon_acpi_init [radeon]] *ERROR* Cannot find a backlight controller [ 6.040503] [drm] Initialized radeon 2.43.0 20080528 for 0000:01:00.0 on minor 1 [ 18.658736] [drm] probing gen 2 caps for device 1022:1412 = 700d01/6 [ 18.658743] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0 [ 19.002323] [drm] PCIE GART of 1024M enabled (table at 0x0000000000040000). [ 19.002446] radeon 0000:01:00.0: WB enabled [ 19.002451] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff88003461dc00 [ 19.002456] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff88003461dc04 [ 19.002459] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff88003461dc08 [ 19.002463] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff88003461dc0c [ 19.002466] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff88003461dc10 [ 19.002469] radeon 0000:01:00.0: VCE init error (-22). [ 19.211262] [drm] ring test on 0 succeeded in 1 usecs [ 19.211269] [drm] ring test on 1 succeeded in 1 usecs [ 19.211276] [drm] ring test on 2 succeeded in 1 usecs [ 19.211285] [drm] ring test on 3 succeeded in 3 usecs [ 19.211292] [drm] ring test on 4 succeeded in 3 usecs [ 19.211351] [drm] ib test on ring 0 succeeded in 0 usecs [ 19.211541] [drm] ib test on ring 1 succeeded in 0 usecs [ 19.211609] [drm] ib test on ring 2 succeeded in 0 usecs [ 19.211628] [drm] ib test on ring 3 succeeded in 0 usecs [ 19.211643] [drm] ib test on ring 4 succeeded in 0 usecs $ lspci 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Complex 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7640G] 00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Trinity HDMI Audio Controller 00:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Port 00:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Port 00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Port 00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09) 00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [IDE mode] (rev 40) 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11) 00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11) 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 16) 00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 01) 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11) 00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge (rev 40) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 0 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 1 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 2 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 3 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 4 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 5 01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun PRO [Radeon HD 8570A/8570M] (rev ff) 02:00.0 Ethernet controller: Qualcomm Atheros QCA8172 Fast Ethernet (rev 10) 03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01) $ uname -a Linux dot-pc 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux 我怎样才能摆脱这个错误？
驱动程序正在尝试在不支持它的卡上初始化VCE。 消息是完全无害的 – 只是忽略它。