impossible to run xvfb screen at more than 8bit depth

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On an ubuntu 16 server ( SSH )



When launching



Xvfb :99 -screen 1 1024x768x8 &


Works fine, but when trying to launch with 32 bits as follow



Xvfb :99 -screen 1 1024x768x32 &


I am getting that error :



Fatal server error:
(EE) Couldn't add screen 1(EE)
another try with 16 bits, and its another error :

Xvfb: ../../../../include/privates.h:122: dixGetPrivateAddr: Assertion
`key->initialized' failed.

(EE) Backtrace:
(EE) 0: Xvfb (xorg_backtrace+0x4d) [0x55f95b12f55d]
(EE) 1: Xvfb (0x55f95afb1000+0x1822f9) [0x55f95b1332f9]
(EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f303919d000+0x12890)
[0x7f30391af890]
(EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xc7)
[0x7f3038deae97]
(EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x141) [0x7f3038dec801]
(EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x3039a)
[0x7f3038ddc39a]
(EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x30412)
[0x7f3038ddc412]
(EE) 7: Xvfb (0x55f95afb1000+0x33538) [0x55f95afe4538]
(EE) 8: Xvfb (0x55f95afb1000+0x1129af) [0x55f95b0c39af]
(EE) 9: Xvfb (0x55f95afb1000+0x7e717) [0x55f95b02f717]
(EE) 10: Xvfb (0x55f95afb1000+0x7dd38) [0x55f95b02ed38]
(EE) 11: Xvfb (0x55f95afb1000+0x7d135) [0x55f95b02e135]
(EE) 12: Xvfb (InitExtensions+0x3d) [0x55f95afe672d]
(EE) 13: Xvfb (0x55f95afb1000+0x12a89f) [0x55f95b0db89f]
(EE) 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
[0x7f3038dcdb97]
(EE) 15: Xvfb (_start+0x2a) [0x55f95afe476a]

Fatal server error:
(EE) Caught signal 6 (Aborted). Server aborting
(EE)


Where should i look ? Video driver ?









share







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direxit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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    up vote
    0
    down vote

    favorite












    On an ubuntu 16 server ( SSH )



    When launching



    Xvfb :99 -screen 1 1024x768x8 &


    Works fine, but when trying to launch with 32 bits as follow



    Xvfb :99 -screen 1 1024x768x32 &


    I am getting that error :



    Fatal server error:
    (EE) Couldn't add screen 1(EE)
    another try with 16 bits, and its another error :

    Xvfb: ../../../../include/privates.h:122: dixGetPrivateAddr: Assertion
    `key->initialized' failed.

    (EE) Backtrace:
    (EE) 0: Xvfb (xorg_backtrace+0x4d) [0x55f95b12f55d]
    (EE) 1: Xvfb (0x55f95afb1000+0x1822f9) [0x55f95b1332f9]
    (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f303919d000+0x12890)
    [0x7f30391af890]
    (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xc7)
    [0x7f3038deae97]
    (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x141) [0x7f3038dec801]
    (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x3039a)
    [0x7f3038ddc39a]
    (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x30412)
    [0x7f3038ddc412]
    (EE) 7: Xvfb (0x55f95afb1000+0x33538) [0x55f95afe4538]
    (EE) 8: Xvfb (0x55f95afb1000+0x1129af) [0x55f95b0c39af]
    (EE) 9: Xvfb (0x55f95afb1000+0x7e717) [0x55f95b02f717]
    (EE) 10: Xvfb (0x55f95afb1000+0x7dd38) [0x55f95b02ed38]
    (EE) 11: Xvfb (0x55f95afb1000+0x7d135) [0x55f95b02e135]
    (EE) 12: Xvfb (InitExtensions+0x3d) [0x55f95afe672d]
    (EE) 13: Xvfb (0x55f95afb1000+0x12a89f) [0x55f95b0db89f]
    (EE) 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
    [0x7f3038dcdb97]
    (EE) 15: Xvfb (_start+0x2a) [0x55f95afe476a]

    Fatal server error:
    (EE) Caught signal 6 (Aborted). Server aborting
    (EE)


    Where should i look ? Video driver ?









    share







    New contributor




    direxit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.





















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      On an ubuntu 16 server ( SSH )



      When launching



      Xvfb :99 -screen 1 1024x768x8 &


      Works fine, but when trying to launch with 32 bits as follow



      Xvfb :99 -screen 1 1024x768x32 &


      I am getting that error :



      Fatal server error:
      (EE) Couldn't add screen 1(EE)
      another try with 16 bits, and its another error :

      Xvfb: ../../../../include/privates.h:122: dixGetPrivateAddr: Assertion
      `key->initialized' failed.

      (EE) Backtrace:
      (EE) 0: Xvfb (xorg_backtrace+0x4d) [0x55f95b12f55d]
      (EE) 1: Xvfb (0x55f95afb1000+0x1822f9) [0x55f95b1332f9]
      (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f303919d000+0x12890)
      [0x7f30391af890]
      (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xc7)
      [0x7f3038deae97]
      (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x141) [0x7f3038dec801]
      (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x3039a)
      [0x7f3038ddc39a]
      (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x30412)
      [0x7f3038ddc412]
      (EE) 7: Xvfb (0x55f95afb1000+0x33538) [0x55f95afe4538]
      (EE) 8: Xvfb (0x55f95afb1000+0x1129af) [0x55f95b0c39af]
      (EE) 9: Xvfb (0x55f95afb1000+0x7e717) [0x55f95b02f717]
      (EE) 10: Xvfb (0x55f95afb1000+0x7dd38) [0x55f95b02ed38]
      (EE) 11: Xvfb (0x55f95afb1000+0x7d135) [0x55f95b02e135]
      (EE) 12: Xvfb (InitExtensions+0x3d) [0x55f95afe672d]
      (EE) 13: Xvfb (0x55f95afb1000+0x12a89f) [0x55f95b0db89f]
      (EE) 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
      [0x7f3038dcdb97]
      (EE) 15: Xvfb (_start+0x2a) [0x55f95afe476a]

      Fatal server error:
      (EE) Caught signal 6 (Aborted). Server aborting
      (EE)


      Where should i look ? Video driver ?









      share







      New contributor




      direxit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      On an ubuntu 16 server ( SSH )



      When launching



      Xvfb :99 -screen 1 1024x768x8 &


      Works fine, but when trying to launch with 32 bits as follow



      Xvfb :99 -screen 1 1024x768x32 &


      I am getting that error :



      Fatal server error:
      (EE) Couldn't add screen 1(EE)
      another try with 16 bits, and its another error :

      Xvfb: ../../../../include/privates.h:122: dixGetPrivateAddr: Assertion
      `key->initialized' failed.

      (EE) Backtrace:
      (EE) 0: Xvfb (xorg_backtrace+0x4d) [0x55f95b12f55d]
      (EE) 1: Xvfb (0x55f95afb1000+0x1822f9) [0x55f95b1332f9]
      (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f303919d000+0x12890)
      [0x7f30391af890]
      (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xc7)
      [0x7f3038deae97]
      (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x141) [0x7f3038dec801]
      (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x3039a)
      [0x7f3038ddc39a]
      (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3038dac000+0x30412)
      [0x7f3038ddc412]
      (EE) 7: Xvfb (0x55f95afb1000+0x33538) [0x55f95afe4538]
      (EE) 8: Xvfb (0x55f95afb1000+0x1129af) [0x55f95b0c39af]
      (EE) 9: Xvfb (0x55f95afb1000+0x7e717) [0x55f95b02f717]
      (EE) 10: Xvfb (0x55f95afb1000+0x7dd38) [0x55f95b02ed38]
      (EE) 11: Xvfb (0x55f95afb1000+0x7d135) [0x55f95b02e135]
      (EE) 12: Xvfb (InitExtensions+0x3d) [0x55f95afe672d]
      (EE) 13: Xvfb (0x55f95afb1000+0x12a89f) [0x55f95b0db89f]
      (EE) 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
      [0x7f3038dcdb97]
      (EE) 15: Xvfb (_start+0x2a) [0x55f95afe476a]

      Fatal server error:
      (EE) Caught signal 6 (Aborted). Server aborting
      (EE)


      Where should i look ? Video driver ?







      xorg x-server xvfb





      share







      New contributor




      direxit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







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      share



      share






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      asked 5 mins ago









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