Dear Johannes,

w.r.t. shelx-binaries:

you can check with 
#> cat /proc/cmdline
whether the linux-kernel option include 'vsyscall=emulate'.

Quite some time ago, the linux kernel made vsyscall obsolete. The
SHELX-binaries are probably compiled with an old compiler on an
old linux system, and require this kernel option to run.
Otherwise they trigger a segmentation fault.

vsyscall's are considered a small security hole, but unless you run a
safety-critical machine, you can probably risk to open this hole in
your kernel at the benefit of running the SHELX programs.

This link might be related:
https://github.com/microsoft/WSL/issues/4694

Cheers,
Tim


On Mon, 7 Dec 2020 13:50:23 +0100
Johannes Cramer <johannes.cra...@gmail.com> wrote:

> Dear board,
> 
> has anyone gotten ccp4 (specifically shelx and arpwarp) installed and
> working under wsl2 (windows subsystem for linux)?
> arp warp refuses to install with the following error:
> 
> Segmentation fault
> *** ERROR ***
> This machine cannot run ARP/wARP executables that
> are statically linked to glibc.
> 
> shelx does not complain during installation, but when I type shelxc
> (or shelxd, shelxe, shelxl, shelxt)  I get immediately to the promt.
> No error message or anything.
> I am using Ubuntu 20.04 LTS.
> 
> Any help would be appreciated.
> 
> Cheers,
> Johannes
> 
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--
Tim Gruene
Head of the Centre for X-ray Structure Analysis
Faculty of Chemistry
University of Vienna

Phone: +43-1-4277-70202

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