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Mon, 12 Dec 2022 15:12:02 -0500 Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p4p9e-0002MF-K7 for bug-guix@gnu.org; Mon, 12 Dec 2022 15:12:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p4p9e-0003Lq-Es for bug-guix@gnu.org; Mon, 12 Dec 2022 15:12:02 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#60010: [version 1.4.0] AMD screen stays black; modprobe fails Resent-From: Josselin Poiret Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Mon, 12 Dec 2022 20:12:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 60010 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: "pelzflorian (Florian Pelz)" , 60010@debbugs.gnu.org Received: via spool by 60010-submit@debbugs.gnu.org id=B60010.167087592112876 (code B ref 60010); Mon, 12 Dec 2022 20:12:02 +0000 Received: (at 60010) by debbugs.gnu.org; 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dkim=fail ("headers rsa verify failed") header.d=jpoiret.xyz header.s=dkim header.b=k6rWISYc; spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=gnu.org X-TUID: PSLNwykNbzqV Hi Florian, "pelzflorian (Florian Pelz)" writes: > So I tried waiting until it exists before modprobe (in the attached > patch). But modprobe still fails in the same way, according to dmesg, > even though the file evidently already existed. I don't think there's a race issue with the files being available: shepherd should start after system activation (so /run/current-system exists), and after /gnu/store was mounted in the early userspace. > I will try tomorrow to get an strace. The installer worked fine in=C2=A0= =E2=80=A6 > August I believe. You could also probably try logging the system* call in some temporary log file, by using some bash redirection (or with-current-output-port and friends). By the way, why is the modprobe binary inside a #+? The target will want to be able to run the binary itself, right? Shouldn't it be #$? Best, --=20 Josselin Poiret