External Email - Use Caution I could be wrong, but it reads like those errors are from the libqt5xcb.so running into errors communicating with X windows. Since freeview runs fine displaying those images on the machine when not exec'd thru fsxvfb, then maybe fsxvfb cannot capture because it is not expecting freeview to (still) run using Qt graphics and X-windows . I believe the release notes say fsxvfb does not need an X-server and so perhaps it is trying to capture images directly from the graphics hardware. Could be something is not up to date on your system with the graphics hardware drivers/system libraries.
Another thing to consider is the freesurfer 7.4.1 release was not built for nor tested on Ubuntu 16 - the minimum version tested was Ubuntu 18. Given you are running it from the path /usr/global/freesurfer/7.4.1 then I suspect you did not download and run the 7.4.1 debian package installer for Ubuntu 18 as recommended on the freesurfer download page, https://secure-web.cisco.com/1pa_Juw1rvYdwKxiYGrhHioNA_vUa-3QRuSL2A9WRhRTgvRuNTlbqumOYdkFLoeMjU_rWgh1UP8tarqEvB5UE6aoIgGhJvYzzrbdKfm3dpEYTLfVNPmASjXkZ5aqziSPs85bAm9uH5jJwateGLOqKDRl5GoCIe7ehl-qH_X8_8P63d8JsR4oALTRtN1Wo_Q8vkZRIap_xWTZZbWuNQPxDafEOVwKLfvbUUBstFI3f5vpPbNFdrpaxaiy8nTlmnsZN8RL33Ley7Izxbed5ctd5K7Re0lBjXiMqHamlrTOd_MKaUcBQjowAxDqNgre2l05H/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2Frel7download (which would install under /usr/local/freesurfer). It would not be surprising for the Ubuntu 18 binary installer to fail trying to update an Ubuntu 16 system, but you could try running it. You can decline/abort the installation if you don't approve of the system updates it reports are needed before installing freesurfer. Even if the installer succeeds, we can't guarantee 7.4.1 will work correctly on Ubuntu 16. - R. On 10/19/23 17:50, Dani Del Rubin (rubin...@ohsu.edu) wrote: QXcbConnection: XCB error: 1 (BadRequest), sequence: 167, resource id: 133, major code:
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