thanks. you are right. this the xorg.conf:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 340.65  (buildmeister@swio-display-x64-rhel04-11)  Tue Dec  2 09:59:38 PST 2014


Section "ServerLayout"
    Identifier     "Layout0"
    Screen         "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "IMPS/2"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
    Option         "XkbRules"  "xorg"
    Option         "XkbModel"  "abnt2"                                       
    Option         "XkbLayout" "br"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection



2014-12-28 14:05 GMT-02:00 Fredrik Rinnestam <fredrik@rinnestam.se>:
On Sat, Dec 27, 2014 at 09:09:25PM -0200, Cezar Rangel wrote:
> Hi everyone. It is my first time with Crux 3.1 and after installing it I
> managed not to get a kernel panic.
> That was great and I am amazed at Crux 3.1 still studying it a lot.
> I have installed nvidia to improve the graphic mode. after that, when I run
> $startx I managed to run openbox but the mouse
> and the keyboard (both usb) cannot be used. also, there is an error message
> before startx when I am still in text mode which says:
> "error opening  usb device 'descriptors' file.
> when I run lsub the result is: lsusb
> Bus 002 Device 002: ID 04e8:61b6 Samsung Electronics Co., Ltd M3 Portable
> Hard Drive 1TB
> Bus 002 Device 003: ID 04e8:61b6 Samsung Electronics Co., Ltd M3 Portable
> Hard Drive 1TB
> Bus 003 Device 002: ID 04e8:344f Samsung Electronics Co., Ltd SCX-3400
> Series
> Bus 003 Device 005: ID 046d:0825 Logitech, Inc. Webcam C270
> Bus 005 Device 002: ID 045e:00b0 Microsoft Corp. Digital Media Pro Keyboard
> Bus 006 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> I remark that on graphic mode both mouse and keyboard function perfectely
> well. the problem begins after startx when I boot openbox and the mouse and
> the keyboard collapse.
> I would thank so much if a solution could be found
> cezar


Please post your xorg log. Without it it's all just (poor) guesswork.


--

Fredrik Rinnestam
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--
       Cezar Rangel
cezar.rangel@gmail.com