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aspmx1.migadu.com; dkim=pass header.d=freeshell.de header.s=mail header.b="M/m4U9EM"; dmarc=pass (policy=none) header.from=freeshell.de; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -5.93 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=freeshell.de header.s=mail header.b="M/m4U9EM"; dmarc=pass (policy=none) header.from=freeshell.de; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 6DCA92E77D X-Spam-Score: -5.93 X-Migadu-Scanner: scn1.migadu.com X-TUID: 5TTJzn6eHLv/ --jvc4scknojqd5z63 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jan 09, 2022 at 07:49:30PM +0100, Wiktor =C5=BBelazny wrote: > On Sun, Jan 09, 2022 at 07:03:33PM +0100, Ricardo Wurmus wrote: > > > > Wiktor =C5=BBelazny writes: > > > > > One more thing: the problem started after I had had to roll-back a > > > segfaulting guix build. > > > > Is LD_LIBRARY_PATH set > > Not anymore. Still, this looks like some interference from the environment. When I ran `su $username` first, there was no error. I ran `set` before and after `su` and diffed the results. The only suspicious thing I found was: --- nosuset 2022-02-03 14:46:16.691231539 +0100 +++ suset 2022-02-03 14:45:51.658607639 +0100 -LD_PRELOAD=3D/gnu/store/s53sv4740vkaqzn3m2zvvnpy26hg2925-spectrwm-wz-3.= 2.0/lib/libswmhack.so.0.0 It=E2=80=99s related to the window manager, which is related to Xorg, and t= he LIBC error pertains to X libraries. Could there be a connection here? Sure enough, unsetting LD_PRELOAD seems to fix things, too. =46rom spectrwm man page: Note that workspace mapping is handled via libswmhack.so. When autorun spawns windows via a daemon, ensure the daemon is started with the correct LD_PRELOAD in its environment. For example, starting urxvtd(1) via xinit(1): LD_PRELOAD=3D/usr/lib/libswmhack.so.0.0 urxvtd -q -o -f Spawned programs automatically have LD_PRELOAD set when executed. I guess I need to alias guix to "unset LD_PRELOAD; guix" until I find some more elegant solution. 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