From nobody Mon Apr 04 11:17:16 2022 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4381A1A9B071 for ; Mon, 4 Apr 2022 11:17:17 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4KX7XX53Rtz3jSn for ; Mon, 4 Apr 2022 11:17:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 781D7110CE for ; Mon, 4 Apr 2022 11:17:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 234BHGbi056815 for ; Mon, 4 Apr 2022 11:17:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 234BHG34056814 for bugs@FreeBSD.org; Mon, 4 Apr 2022 11:17:16 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 263032] backlight(8) can't query the device Date: Mon, 04 Apr 2022 11:17:16 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 13.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: artur.brzozowski@protonmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1649071036; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=SPAgT4lAPuYVHFzn8TkrMaktjimS60B6qxrF0NRfE6c=; b=FuxhGi5HIdropHtDbvJ/5Q2ayUuFfOii0fwRUhHySe1bbzUByLaM1q6v/2u3Z8YDH7UH9g giPNwlYxhJKgo/MYzHHuh+ig1142wZPip6pr1AAfKLcWJwOw7eo80VEjCfP1ggtuXpxS2J EHbRBs/vaFOpYnrhyWHKvm2IuK65NG5ovmNPEi0kzURio4Wnh7fxrVur/cDvmO8/kb/5Ch 5TYuM3zWrDcgT+GRAwICOKa6/uBNYwzqjdsAymxkW4wAZl1Eoj0d4ygaIp7lbnCTEr9C0s exbE7+4yQEaUcsS2jnrCona7zG+KEZEfIkLIGMRTqRDxTju1q0MqcoC1Uhq+dg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1649071036; a=rsa-sha256; cv=none; b=OwMAqWJYpwpYM4DpFhzUFeq9xynzpus9wSVZUuWoLRB2lH4H34Gc1gw+jV29kIW8ZAL+bb 5MzfCw2Rlsrf+2BNxsmvpwL2MMjfs8eo5yDMmKpRyU9CWBMO3H+5oGhAjxL4eVzF081g5H WX5QWBIfmfqck03KUwe2jWFNu9Dt8JvuikZRz5DVLL5VMMT+8yao7CFPnvHdp6yr3FXxKy UsRapQHmeEXq4kj4K3fQpCTiAOBTqWSIFWZM6/vUb2HoODBAsWIbFWTQ6mwSX9cs7Tp1FZ ctiFD0MQH7LzmDYOgop6CHysm/7eYMzsT2sFDCyi8aZXyZlffzNV3NAhwzu7hw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263032 Bug ID: 263032 Summary: backlight(8) can't query the device Product: Base System Version: 13.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: artur.brzozowski@protonmail.com Created attachment 232927 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D232927&action= =3Dedit details On a FreeBSD 13.0-RELEASE-p8 installation, backlight(8) does not work despi= te proper initialisation of the backlight device. Hardware affected: vendor =3D 'Advanced Micro Devices, Inc. [AMD/ATI]' device =3D 'RV730/M96 [Mobility Radeon HD 4650/5165]' Available backlight device: crw-rw---- 1 root video 0x1f3 4 Apr. 10:22 backlight0 lrwxr-xr-x 1 root wheel 23 4 Apr. 10:22 radeon_bl00@ -> ../backlight/backlight0 Use of backlight(8) as non-root user (video group): backlight: Cannot query the backlight device Use of backlight(8) as root: backlight: Cannot update the backlight device (subsequent uses by a non-root also report the failure to update, not query, the backlight device) Workaround: loading 'acpi_video' module and using sysctl(8) to manipulate 'hw.acpi.video.lcd0.brightness'. Two other laptops with Intel chips do not have this problem. --=20 You are receiving this mail because: You are the assignee for the bug.=