From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp12.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id yAj1AuMmImJURwAAgWs5BA (envelope-from ) for ; Fri, 04 Mar 2022 15:49:07 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp12.migadu.com with LMTPS id UMVoO+ImImKC7gAAauVa8A (envelope-from ) for ; Fri, 04 Mar 2022 15:49:06 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id A029DAAC2 for ; Fri, 4 Mar 2022 15:49:06 +0100 (CET) Received: from localhost ([::1]:58014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nQ9Ev-0003QB-Gr for larch@yhetil.org; Fri, 04 Mar 2022 09:49:05 -0500 Received: from eggs.gnu.org ([209.51.188.92]:37986) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQ8nm-0005Wi-9R for bug-guix@gnu.org; Fri, 04 Mar 2022 09:21:02 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:50961) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nQ8nl-0008VH-V6 for bug-guix@gnu.org; Fri, 04 Mar 2022 09:21:01 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nQ8nl-0000l1-Og for bug-guix@gnu.org; Fri, 04 Mar 2022 09:21:01 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#54033: Calibre's ebook-viewer only shows white-on-white or dark-on-dark. References: Resent-From: Guillaume Le Vaillant Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Fri, 04 Mar 2022 14:21:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54033 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 54033@debbugs.gnu.org Received: via spool by 54033-submit@debbugs.gnu.org id=B54033.16464036392873 (code B ref 54033); Fri, 04 Mar 2022 14:21:01 +0000 Received: (at 54033) by debbugs.gnu.org; 4 Mar 2022 14:20:39 +0000 Received: from localhost ([127.0.0.1]:44858 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nQ8nP-0000kH-4u for submit@debbugs.gnu.org; Fri, 04 Mar 2022 09:20:39 -0500 Received: from mout02.posteo.de ([185.67.36.66]:59219) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nQ8nN-0000k1-7y for 54033@debbugs.gnu.org; Fri, 04 Mar 2022 09:20:37 -0500 Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id D801D240103 for <54033@debbugs.gnu.org>; Fri, 4 Mar 2022 15:20:30 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1646403630; bh=6lN6dK5q4p0c31GzgBdGUPMxT8Z4ibRlzFxJ00rs1+A=; h=From:To:Subject:Date:From; b=Ya5ZDJlWYu/E3WKT+mCKubnfl1vk1vbTDxN6CsB+kM7afME5ZcX9JWZSxYbxXnShB GYDFzjC0OveMdQehqjT6SWowvjHVD/uYEfB7da1j2WH7qW/bYoBDT27LtgWakDClUJ y8tZmzjMeRtorYmGi7JkxT/jXWd6K2PPjF3t6Sx66pVb21DF2D1ZuywU/UU/6FRTdb HajudUI1WVv043GiOQ8K07fTlpXjOgb23Kt2/bXZxDiVyzkRT6U5RKM2oujZHzEM7j 5eqBbjd2tswLkJVm/zfbLy/SUswrD8PCQE/5Y+prBw3ynGkiuYkm+obfzDA+GqJmNv 5DStzmI555nng== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4K994G0Dr6z9rxF for <54033@debbugs.gnu.org>; Fri, 4 Mar 2022 15:20:29 +0100 (CET) From: Guillaume Le Vaillant In-Reply-To: 0faceea8-a28d-49a6-8f36-0cc0c5c70655@www.fastmail.com Date: Fri, 04 Mar 2022 14:07:10 +0000 Message-ID: <87v8wtre8j.fsf@kitej> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1646405346; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:resent-cc:resent-from:resent-sender: resent-message-id:in-reply-to:in-reply-to:references:references: list-id:list-help:list-unsubscribe:list-subscribe:list-post: dkim-signature; bh=6lN6dK5q4p0c31GzgBdGUPMxT8Z4ibRlzFxJ00rs1+A=; b=VBW2d/X6TXPgsejPQTufiug+AackJ4VRDdEE4mx26vZcE502St3CfjfPQAsiMm5iKkkiw3 qLD9WKzUqafV7ZKXO8PI1aNO0IkIGdTeywZlvK5GtNbr7c8R8Hp4tsLdzOuYw2F1GHrWfy ygt4CB+cAhCaqkcJ1Avzdod0zLbSz1dz2TM+RJUgwKKpZhcD9ZgphZ5cwc8zRhc0f0vyuS BzdCnX4k0CJXw/DQDEq72Ft5Qci2s8BN5ew6lTJ+jMdvW24ALfODkCoDcwNgKNiL4zLXcB ajf7HuGAGz8vWBM2O3sbMViUQD6qwsk4HOaEYWn+46NUvGbpzQplVZqkH9Sm6g== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1646405346; a=rsa-sha256; cv=none; b=DDxQNff7L1nakUYXh+LrZQfTJOgJZqAGcq8V8B7rpCxKfMhueNbe0GbUycRcZDMBtcOjOn tViPOin5e/T4NP6CAkQIq3kC79ykcKVGV/I4E3HVkGOazJ71yGDh66llNI4Qu6J+nek7cl J1RnxCV0Gtqgd2Qf8VVCj87Upf+TreVGLA50DsIa7hJKVTFDqLkb3MQPnOuYY0AicOz9HL vZ0guhNQDiSqw26c7/mFC1K38evkpEmf9wunyx4ImSS9VDKtAGVsd80OzDenStJ1LPUt81 UJoaGbq+okdk/YVuOfhnDCQ9AYhK8zqtdyLkuzSGkQmbET07F5e41QR3SMqfUQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=posteo.net header.s=2017 header.b=Ya5ZDJlW; dmarc=pass (policy=none) header.from=posteo.net; 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" X-Migadu-Spam-Score: -7.66 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=posteo.net header.s=2017 header.b=Ya5ZDJlW; dmarc=pass (policy=none) header.from=posteo.net; 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" X-Migadu-Queue-Id: A029DAAC2 X-Spam-Score: -7.66 X-Migadu-Scanner: scn0.migadu.com X-TUID: Fhhx+3T6KwtT --=-=-= Content-Type: text/plain Hi, FreeCAD also has some issues with the rendering of its "start page" where the text is missing. And as Calibre and FreeCAD are apparently both Python applications using QtWebEngine, it may indicate that there is something not working correctly in QtWebEngine or in the Python bindings to QtWebEngine. I tried printing some debug traces with: --8<---------------cut here---------------start------------->8--- QTWEBENGINE_CHROMIUM_FLAGS="--enable-logging -v=1" ebook-viewer QTWEBENGINE_CHROMIUM_FLAGS="--enable-logging -v=1" FreeCAD --8<---------------cut here---------------end--------------->8--- In both cases the same error message was printed several times: --8<---------------cut here---------------start------------->8--- [7052:1:0304/150130.882217:ERROR:paint_controller.cc(646)] PaintController::FinishCycle() completed --8<---------------cut here---------------end--------------->8--- But so far I don't know what it means, or even if it's related to the rendering issue... --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iIUEAREKAC0WIQTLxZxm7Ce5cXlAaz5r6CCK3yH+PwUCYiIgLA8cZ2x2QHBvc3Rl by5uZXQACgkQa+ggit8h/j8yFwD/dbWql93YGbvBcV2AZeaHasXvAPDiFnbFG876 eEfOipQA/RdX1a+l09kxJaKFWTkad8PTmzTKmExIpXNt7IWKuoH0 =48P7 -----END PGP SIGNATURE----- --=-=-=--