DRM_UDL and GPU under Xserver
Daniel Vetter
daniel at ffwll.ch
Mon Apr 9 01:31:27 PDT 2018
On Thu, Apr 05, 2018 at 06:39:41PM +0000, Alexey Brodkin wrote:
> Hi Daniel, all,
>
> On Thu, 2018-04-05 at 15:44 +0200, Daniel Vetter wrote:
> > On Thu, Apr 05, 2018 at 11:10:03AM +0000, Alexey Brodkin wrote:
> > > Hi Daniel, Lucas,
> > >
> > > On Thu, 2018-04-05 at 12:59 +0200, Daniel Vetter wrote:
> > > > On Thu, Apr 5, 2018 at 12:29 PM, Lucas Stach <l.stach at pengutronix.de> wrote:
> > > > > Am Donnerstag, den 05.04.2018, 11:32 +0200 schrieb Daniel Vetter:
> > > > > > On Thu, Apr 5, 2018 at 9:16 AM, Alexey Brodkin
> > > > > > <Alexey.Brodkin at synopsys.com> wrote:
> > > > > > > Hi Daniel,
> > > > > > >
> > > > > > > On Thu, 2018-04-05 at 08:18 +0200, Daniel Vetter wrote:
> > > > > > > > On Wed, Apr 4, 2018 at 10:06 PM, Alexey Brodkin
> > > > > > > > <Alexey.Brodkin at synopsys.com> wrote:
> > > > > > > > > Hello,
> > > > > > > > >
> > > > > > > > > We're trying to use DisplayLink USB2-to-HDMI adapter to render
> > > > > > > > > GPU-accelerated graphics.
> > > > > > > > > Hardware setup is as simple as a devboard + DisplayLink
> > > > > > > > > adapter.
> > > > > > > > > Devboards we use for this experiment are:
> > > > > > > > > * Wandboard Quad (based on IMX6 SoC with Vivante GPU) or
> > > > > > > > > * HSDK (based on Synopsys ARC HS38 SoC with Vivante GPU as
> > > > > > > > > well)
> > > > > > > > >
> > > > > > > > > I'm sure any other board with DRM supported GPU will work,
> > > > > > > > > those we just used
> > > > > > > > > as the very recent Linux kernels could be easily run on them
> > > > > > > > > both.
> > > > > > > > >
> > > > > > > > > Basically the problem is UDL needs to be explicitly notified
> > > > > > > > > about new data
> > > > > > > > > to be rendered on the screen compared to typical bit-streamers
> > > > > > > > > that infinitely
> > > > > > > > > scan a dedicated buffer in memory.
> > > > > > > > >
> > > > > > > > > In case of UDL there're just 2 ways for this notification:
> > > > > > > > > 1) DRM_IOCTL_MODE_PAGE_FLIP that calls drm_crtc_funcs-
> > > > > > > > > > page_flip()
> > > > > > > > >
> > > > > > > > > 2) DRM_IOCTL_MODE_DIRTYFB that calls drm_framebuffer_funcs-
> > > > > > > > > > dirty()
> > > > > > > > >
> > > > > > > > > But neither of IOCTLs happen when we run Xserver with xf86-
> > > > > > > > > video-armada driver
> > > > > > > > > (see https://urldefense.proofpoint.com/v2/url?u=http-3A__git.ar
> > > > > > > > > m.linux.org.uk_cgit_xf86-2Dvideo-2Darmada.git_log_-3Fh-
> > > > > > > > > 3Dunstable-2Ddevel&d=DwIBaQ&;
> > > > > > > > > c=DPL6_X_6JkXFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkh
> > > > > > > > > pk5R81I&m=oEAlP64L9vkuUs_k3kGwwwlN1WJbDMJbCo0uDhwKwwk&s=3ZHj-
> > > > > > > > > 6JXZBLSTWg_4KMnL0VNi7z8c0RxHzj2U5ywVIw&e=).
> > > > > > > > >
> > > > > > > > > Is it something missing in Xserver or in UDL driver?
> > > > > > > >
> > > > > > > > Use the -modesetting driverr for UDL, that one works correctly.
> > > > > > >
> > > > > > > If you're talking about "modesetting" driver of Xserver [1] then
> > > > > > > indeed
> > > > > > > picture is displayed on the screen. But there I guess won't be any
> > > > > > > 3D acceleration.
> > > > > > >
> > > > > > > At least that's what was suggested to me earlier here [2] by Lucas:
> > > > > > > ---------------------------->8---------------------------
> > > > > > > For 3D acceleration to work under X you need the etnaviv specific
> > > > > > > DDX
> > > > > > > driver, which can be found here:
> > > > > > >
> > > > > > > https://urldefense.proofpoint.com/v2/url?u=http-3A__git.arm.linux.org.uk_cgit_xf86-2Dvideo-2Darmada.git_log_-3Fh-3Dunsta&d=DwIBaQ&c=DPL6_X
> > > > > > > _6Jk
> > > > > > > XFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkhpk5R81I&m=FleDFAQb2lBcZk5DMld7qpeSrB5Srsb4XPQecA5BPvU&s=YUzMQWe3lpC_pjGqRjb4MvRYh16ZBbe
> > > > > > > alqf
> > > > > > > rywlqjKE&e=
> > > > > > > ble-devel
> > > > > >
> > > > > > You definitely want to use -modesetting for UDL. And I thought with
> > > > > > glamour and the corresponding mesa work you should also get
> > > > > > accelaration. Insisting that you must use a driver-specific ddx is
> > > > > > broken, the world doesn't work like that anymore.
> > > > >
> > > > > On etnaviv the world definitely still works like this. The etnaviv DDX
> > > > > uses the dedicated 2D hardware of the Vivante GPUs, which is much
> > > > > faster and efficient than going through Glamor.
> > > > > Especially since almost all X accel operations are done on linear
> > > > > buffers, while the 3D GPU can only ever do tiled on both sampler and
> > > > > render, where some multi-pipe 3D cores can't even read the tiling they
> > > > > write out. So Glamor is an endless copy fest using the resolve engine
> > > > > on those.
> > > >
> > > > Ah right, I've forgotten about the vivante 2d cores again.
> > > >
> > > > > If using etnaviv with UDL is a use-case that need to be supported, one
> > > > > would need to port the UDL specifics from -modesetting to the -armada
> > > > > DDX.
> > > >
> > > > I don't think this makes sense.
> > >
> > > I'm not really sure it has something to do with Etnaviv in particular.
> > > Given UDL might be attached to any board with any GPU that would mean we'd
> > > need to add those "UDL specifics from -modesetting" in all xf86-video-drivers,
> > > right?
> >
> > X server supports multiple drivers (for different devices) in parallel.
> > You should be using armada for the imx-drm thing, and modesetting for udl.
> > And through the magic of prime it should even figure out that the device
> >
> > > > > > Lucas, can you pls clarify? Also, why does -armada bind against all
> > > > > > kms drivers, that's probaly too much.
> > > > >
> > > > > I think that's a local modification done by Alexey. The armada driver
> > > > > only binds to armada and imx-drm by default.
> > >
> > > Actually it all magically works without any modifications.
> > > I just start X with the following xorg.conf [1]:
> > > ------------------------>8--------------------------
> > > Section "Device"
> > > Identifier "Driver0"
> > > Screen 0
> > > Driver "armada"
> > > EndSection
> > > ------------------------>8--------------------------
>
> Ok it was quite some time ago so I forgot about that completely.
> I really made one trivial change in xf86-video-armada:
> ------------------------>8--------------------------
> --- a/src/armada_module.c
> +++ b/src/armada_module.c
> @@ -26,7 +26,7 @@
> #define ARMADA_NAME "armada"
> #define ARMADA_DRIVER_NAME "armada"
>
> -#define DRM_MODULE_NAMES "armada-drm", "imx-drm"
> +#define DRM_MODULE_NAMES "armada-drm", "imx-drm", "udl"
> #define DRM_DEFAULT_BUS_ID NULL
> ------------------------>8--------------------------
>
> Otherwise Xserver fails on start which is expected given "imx-drm" is intentionally removed.
You need to keep imx-drm around. And then light up the udl display using
prime. Afaiui it should all just work (but with maybe a few disconnected
outputs from imx-drm around that you don't need, but that's not a
problem).
-Daniel
>
> > > In fact in case of "kmscube" I had to trick Mesa like that:
> > > ------------------------>8--------------------------
> > > export MESA_LOADER_DRIVER_OVERRIDE=imx-drm
> >
> > Yeah this shouldn't be necessary at all.
> >
> > > ------------------------>8--------------------------
> > > And then UDL out works perfectly fine (that's because "kmscube"
> > > explicitly calls drmModePageFlip()).
> > >
> > > As for Xserver nothing special was done.
> > >
> > > [1] https://urldefense.proofpoint.com/v2/url?u=http-3A__git.arm.linux.org.uk_cgit_xf86-2Dvideo-2Darmada.git_tree_conf_xorg-2Dsample.conf-3Fh-3Duns
> > > table-
> > > 2Ddevel&d=DwIBAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkhpk5R81I&m=PGNfmLiN38EmKHzRyuZpX3Lsc9grXsJBx2tkJubl4t0&s=IUChhhP3eD
> > > PEiH3QdN6CxhfFaBCZIya0KEWDbCcDtGI&e=
> >
> > xorg.log is probably more interesting. No idea whether your Xorg.conf
> > snippet is needed for armada or not.
>
> Below is my full Xorg.log output with change above in place:
> ------------------------>8--------------------------
> [ 8.941]
> X.Org X Server 1.19.6
> Release Date: 2017-12-20
> [ 8.941] X Protocol Version 11, Revision 0
> [ 8.941] Build Operating System: Linux 3.10.0-514.el7.x86_64 x86_64
> [ 8.941] Current Operating System: Linux buildroot 4.16.0 #3 SMP PREEMPT Thu Apr 5 21:28:25 MSK 2018 arc
> [ 8.941] Kernel command line: earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1 drm.debug=0x3f
> [ 8.942] Build Date: 05 April 2018 06:48:58PM
> [ 8.942]
> [ 8.942] Current version of pixman: 0.34.0
> [ 8.942] Before reporting problems, check http://wiki.x.org
> to make sure that you have the latest version.
> [ 8.942] Markers: (--) probed, (**) from config file, (==) default setting,
> (++) from command line, (!!) notice, (II) informational,
> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> [ 8.942] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Jan 1 00:00:08 1970
> [ 8.942] (==) Using config file: "/etc/X11/xorg.conf"
> [ 8.942] (==) No Layout section. Using the first Screen section.
> [ 8.942] (==) No screen section available. Using defaults.
> [ 8.942] (**) |-->Screen "Default Screen Section" (0)
> [ 8.942] (**) | |-->Monitor "<default monitor>"
> [ 8.944] (==) No device specified for screen "Default Screen Section".
> Using the first device section listed.
> [ 8.944] (**) | |-->Device "Driver0"
> [ 8.944] (==) No monitor specified for screen "Default Screen Section".
> Using a default monitor configuration.
> [ 8.944] (==) Not automatically adding devices
> [ 8.944] (==) Not automatically enabling devices
> [ 8.944] (==) Not automatically adding GPU devices
> [ 8.944] (==) Max clients allowed: 256, resource mask: 0x1fffff
> [ 8.944] (WW) The directory "/usr/share/fonts/X11//TTF/" does not exist.
> [ 8.944] Entry deleted from font path.
> [ 8.944] (WW) The directory "/usr/share/fonts/X11//OTF/" does not exist.
> [ 8.944] Entry deleted from font path.
> [ 8.944] (WW) The directory "/usr/share/fonts/X11//Type1/" does not exist.
> [ 8.944] Entry deleted from font path.
> [ 8.944] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/X11//100dpi/".
> [ 8.944] Entry deleted from font path.
> [ 8.945] (Run 'mkfontdir' on "/usr/share/fonts/X11//100dpi/").
> [ 8.945] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/X11//75dpi/".
> [ 8.945] Entry deleted from font path.
> [ 8.945] (Run 'mkfontdir' on "/usr/share/fonts/X11//75dpi/").
> [ 8.945] (==) FontPath set to:
> /usr/share/fonts/X11//misc/
> [ 8.945] (==) ModulePath set to "/usr/lib/xorg/modules"
> [ 8.945] (==) |-->Input Device "<default pointer>"
> [ 8.945] (==) |-->Input Device "<default keyboard>"
> [ 8.945] (==) No Layout section. Using the default mouse configuration.
> [ 8.945] (==) No Layout section. Using the default keyboard configuration.
> [ 8.945] (II) Loader magic: 0x16c510
> [ 8.945] (II) Module ABI versions:
> [ 8.945] X.Org ANSI C Emulation: 0.4
> [ 8.945] X.Org Video Driver: 23.0
> [ 8.945] X.Org XInput driver : 24.1
> [ 8.945] X.Org Server Extension : 10.0
> [ 8.945] (II) LoadModule: "armada"
> [ 8.946] (II) Loading /usr/lib/xorg/modules/drivers/armada_drv.so
> [ 8.947] (II) Module armada: vendor="X.Org Foundation"
> [ 8.947] compiled for 1.19.6, module version = 0.0.0
> [ 8.947] Module class: X.Org Video Driver
> [ 8.947] ABI class: X.Org Video Driver, version 23.0
> [ 8.947] (II) LoadModule: "mouse"
> [ 8.948] (WW) Warning, couldn't open module mouse
> [ 8.948] (II) UnloadModule: "mouse"
> [ 8.948] (II) Unloading mouse
> [ 8.948] (EE) Failed to load module "mouse" (module does not exist, 0)
> [ 8.948] (II) LoadModule: "kbd"
> [ 8.948] (WW) Warning, couldn't open module kbd
> [ 8.948] (II) UnloadModule: "kbd"
> [ 8.948] (II) Unloading kbd
> [ 8.948] (EE) Failed to load module "kbd" (module does not exist, 0)
> [ 8.948] (II) armada: Support for Marvell LCD Controller: 88AP510
> [ 8.948] (II) armada: Support for Freescale IPU: i.MX6
> [ 8.949] (--) using VT number 2
> [ 8.949] (WW) Falling back to old probe method for armada
> [ 9.415] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
> [ 9.438] (II) armada(0): hardware: udl
> [ 9.438] (II) armada(0): Creating default Display subsection in Screen section
> "Default Screen Section" for depth/fbbpp 24/32
> [ 9.438] (==) armada(0): Depth 24, (--) framebuffer bpp 32
> [ 9.438] (==) armada(0): RGB weight 888
> [ 9.438] (==) armada(0): Default visual is TrueColor
> [ 9.438] (II) Loading sub module "etnadrm_gpu"
> [ 9.438] (II) LoadModule: "etnadrm_gpu"
> [ 9.439] (II) Loading /usr/lib/xorg/modules/drivers/etnadrm_gpu.so
> [ 9.439] (II) Module Etnaviv GPU driver (DRM): vendor="X.Org Foundation"
> [ 9.439] compiled for 1.19.6, module version = 0.0.0
> [ 9.440] ABI class: X.Org ANSI C Emulation, version 0.4
> [ 9.774] (II) armada(0): Output DVI1 has no monitor section
> [ 10.069] (II) armada(0): EDID for output DVI1
> [ 10.069] (II) armada(0): Manufacturer: SAM Model: 1bb Serial#: 1212231993
> [ 10.070] (II) armada(0): Year: 2005 Week: 50
> [ 10.070] (II) armada(0): EDID Version: 1.3
> [ 10.070] (II) armada(0): Digital Display Input
> [ 10.070] (II) armada(0): Max Image Size [cm]: horiz.: 38 vert.: 30
> [ 10.070] (II) armada(0): Gamma: 2.20
> [ 10.070] (II) armada(0): DPMS capabilities: Off
> [ 10.070] (II) armada(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4
> [ 10.070] (II) armada(0): First detailed timing is preferred mode
> [ 10.070] (II) armada(0): redX: 0.640 redY: 0.329 greenX: 0.300 greenY: 0.600
> [ 10.070] (II) armada(0): blueX: 0.150 blueY: 0.060 whiteX: 0.313 whiteY: 0.329
> [ 10.070] (II) armada(0): Supported established timings:
> [ 10.070] (II) armada(0): 720x400 at 70Hz
> [ 10.070] (II) armada(0): 640x480 at 60Hz
> [ 10.070] (II) armada(0): 640x480 at 67Hz
> [ 10.070] (II) armada(0): 640x480 at 72Hz
> [ 10.070] (II) armada(0): 640x480 at 75Hz
> [ 10.070] (II) armada(0): 800x600 at 56Hz
> [ 10.070] (II) armada(0): 800x600 at 60Hz
> [ 10.071] (II) armada(0): 800x600 at 72Hz
> [ 10.071] (II) armada(0): 800x600 at 75Hz
> [ 10.071] (II) armada(0): 832x624 at 75Hz
> [ 10.071] (II) armada(0): 1024x768 at 60Hz
> [ 10.071] (II) armada(0): 1024x768 at 70Hz
> [ 10.071] (II) armada(0): 1024x768 at 75Hz
> [ 10.071] (II) armada(0): 1280x1024 at 75Hz
> [ 10.071] (II) armada(0): 1152x864 at 75Hz
> [ 10.071] (II) armada(0): Manufacturer's mask: 0
> [ 10.071] (II) armada(0): Supported standard timings:
> [ 10.071] (II) armada(0): #0: hsize: 1280 vsize 1024 refresh: 60 vid: 32897
> [ 10.071] (II) armada(0): #1: hsize: 1280 vsize 960 refresh: 60 vid: 16513
> [ 10.071] (II) armada(0): #2: hsize: 1152 vsize 864 refresh: 75 vid: 20337
> [ 10.071] (II) armada(0): Supported detailed timing:
> [ 10.071] (II) armada(0): clock: 108.0 MHz Image Size: 376 x 301 mm
> [ 10.071] (II) armada(0): h_active: 1280 h_sync: 1328 h_sync_end 1440 h_blank_end 1688 h_border: 0
> [ 10.071] (II) armada(0): v_active: 1024 v_sync: 1025 v_sync_end 1028 v_blanking: 1066 v_border: 0
> [ 10.071] (II) armada(0): Ranges: V min: 56 V max: 75 Hz, H min: 30 H max: 81 kHz, PixClock max 145 MHz
> [ 10.071] (II) armada(0): Monitor name: SyncMaster
> [ 10.071] (II) armada(0): Serial No: HSGYC00767
> [ 10.072] (II) armada(0): EDID (in hex):
> [ 10.072] (II) armada(0): 00ffffffffffff004c2dbb0139314148
> [ 10.072] (II) armada(0): 320f010380261e782ade95a3544c9926
> [ 10.072] (II) armada(0): 0f5054bfef8081808140714f01010101
> [ 10.072] (II) armada(0): 010101010101302a009851002a403070
> [ 10.072] (II) armada(0): 1300782d1100001e000000fd00384b1e
> [ 10.072] (II) armada(0): 510e000a202020202020000000fc0053
> [ 10.072] (II) armada(0): 796e634d61737465720a2020000000ff
> [ 10.072] (II) armada(0): 00485347594330303736370a2020003c
> [ 10.072] (II) armada(0): Printing probed modes for output DVI1
> [ 10.072] (II) armada(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz eP)
> [ 10.073] (II) armada(0): Modeline "1280x1024"x75.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
> [ 10.073] (II) armada(0): Modeline "1280x960"x60.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e)
> [ 10.073] (II) armada(0): Modeline "1152x864"x75.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e)
> [ 10.073] (II) armada(0): Modeline "1024x768"x75.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e)
> [ 10.073] (II) armada(0): Modeline "1024x768"x70.1 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz e)
> [ 10.073] (II) armada(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
> [ 10.073] (II) armada(0): Modeline "832x624"x74.6 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz e)
> [ 10.073] (II) armada(0): Modeline "800x600"x72.2 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync (48.1 kHz e)
> [ 10.073] (II) armada(0): Modeline "800x600"x75.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e)
> [ 10.074] (II) armada(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
> [ 10.074] (II) armada(0): Modeline "800x600"x56.3 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
> [ 10.074] (II) armada(0): Modeline "640x480"x75.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e)
> [ 10.074] (II) armada(0): Modeline "640x480"x72.8 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz e)
> [ 10.074] (II) armada(0): Modeline "640x480"x66.7 30.24 640 704 768 864 480 483 486 525 -hsync -vsync (35.0 kHz e)
> [ 10.074] (II) armada(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
> [ 10.074] (II) armada(0): Modeline "720x400"x70.1 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e)
> [ 10.074] (II) armada(0): Output DVI1 connected
> [ 10.074] (II) armada(0): Using exact sizes for initial modes
> [ 10.074] (II) armada(0): Output DVI1 using initial mode 1280x1024 +0+0
> [ 10.074] (==) armada(0): Using gamma correction (1.0, 1.0, 1.0)
> [ 10.074] (==) armada(0): DPI set to (96, 96)
> [ 10.075] (II) Loading sub module "fb"
> [ 10.075] (II) LoadModule: "fb"
> [ 10.075] (II) Loading /usr/lib/xorg/modules/libfb.so
> [ 10.076] (II) Module fb: vendor="X.Org Foundation"
> [ 10.076] compiled for 1.19.6, module version = 1.0.0
> [ 10.076] ABI class: X.Org ANSI C Emulation, version 0.4
> [ 10.083] (==) Depth 24 pixmap format is 32 bpp
> [ 10.125] (==) armada(0): Backing store disabled
> [ 10.125] (==) armada(0): Silken mouse enabled
> [ 10.243] (--) armada(0): Vivante GC880 GPU revision 5124 (etnaviv) 2d PE2.0
> [ 10.254] (II) armada(0): [DRI2] Setup complete
> [ 10.254] (II) armada(0): [DRI2] DRI driver: etnaviv
> [ 10.254] (II) armada(0): direct rendering: DRI2 enabled
> [ 10.255] (II) armada(0): RandR 1.2 enabled, ignore the following RandR disabled message.
> [ 10.306] (==) armada(0): DPMS enabled
> [ 10.309] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate YUV target
> [ 10.585] (--) RandR disabled
> [ 10.618] (II) armada(0): etnaviv: A8 target not supported
> [ 10.624] (II) armada(0): Setting screen physical size to 338 x 270
> [ 10.843] (II) LoadModule: "mouse"
> [ 10.843] (WW) Warning, couldn't open module mouse
> [ 10.843] (II) UnloadModule: "mouse"
> [ 10.843] (II) Unloading mouse
> [ 10.843] (EE) Failed to load module "mouse" (module does not exist, 0)
> [ 10.843] (EE) No input driver matching `mouse'
> [ 10.843] (II) Falling back to input driver `libinput'
> [ 10.844] (II) LoadModule: "libinput"
> [ 10.844] (WW) Warning, couldn't open module libinput
> [ 10.844] (II) UnloadModule: "libinput"
> [ 10.844] (II) Unloading libinput
> [ 10.844] (EE) Failed to load module "libinput" (module does not exist, 0)
> [ 10.844] (II) LoadModule: "kbd"
> [ 10.845] (WW) Warning, couldn't open module kbd
> [ 10.845] (II) UnloadModule: "kbd"
> [ 10.845] (II) Unloading kbd
> [ 10.845] (EE) Failed to load module "kbd" (module does not exist, 0)
> [ 10.845] (EE) No input driver matching `kbd'
> [ 10.845] (II) Falling back to input driver `libinput'
> [ 10.845] (II) LoadModule: "libinput"
> [ 10.845] (WW) Warning, couldn't open module libinput
> [ 10.846] (II) UnloadModule: "libinput"
> [ 10.846] (II) Unloading libinput
> [ 10.846] (EE) Failed to load module "libinput" (module does not exist, 0)
> ------------------------>8--------------------------
>
> -Alexey
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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