Eric Bavier <ericbav...@centurylink.net> writes: > Sending response to the list this time... > >> Arun Isaac <address@hidden> writes: >> >> > Leo Famulari writes: >> > >> >> On Mon, Aug 14, 2017 at 12:46:25PM +1000, Ben Woodcroft wrote: >> >>> On 14/08/17 12:31, Arun Isaac wrote: >> >>> > Does `parallel' work for anybody? When I run >> >>> > >> >>> > $ ls | parallel echo >> >>> > >> >>> > I get the following error message, and nothing happens. >> >>> It works fine for me using Guix on a foreign OS, and has since I >> >>> can remember. >> >>> ben >> >> >> >> Same here. Arun, can you give some more details about your system? >> > >> > This is probably a problem only on GuixSD systems. Could you try on >> > GuixSD instead of using Guix on a foreign distro? >> >> I tested it on GuixSD, works fine. Are you trying the command in a >> folder with > 1024 files perhaps? What does `ulimit -n` print? > > The problem appears if you do not have 'perl' available in $PATH. GNU > parallel calls it recursively for a few tasks: > > $ guix package -I | grep "perl" > $ echo $? > 1 > $ parallel echo ::: 1 2 3 > ... > parallel: Warning: Raising ulimit -u or /etc/security/limits.conf may help. > parallel: Error: No more processes: cannot run a single job. Something is > wrong at 1. > $ guix environment --ad-hoc perl > [dev]$ parallel echo ::: 1 2 3 > 1 > 2 > 3 > > There is some path patching that goes on in the package recipe, but it > must have gone out of sync in latest versions. The 'post-install-test' > phase wouldn't catch this particular error without '(setenv "PATH" "")'. > > I wouldn't feel quite comfortable doing a "blind" update of the regex, > since some mentions of "perl" I think are meant to be executed by > remote hosts and so shouldn't be patched to absolute store references.
Hi, This is fixed by 4e7950fdce5b83db018c44a80ec4a4059612d716 (it adds a wrap-program phase). Clément
