From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.quaintcat.com (mx3.quaintcat.com [51.222.159.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3265B1FA5 for ; Sun, 31 Mar 2024 07:15:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=51.222.159.216 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711869315; cv=none; b=BbZx/kapDKw7P7I8g09p5ZHxzy/+kbSyuhRK6HA+YBc3lq3GxE+HFggkqkCW7cu6x9bb1ZzfqxHB7lOmaxKnUYK3bAVXCJtRITCxYhJS98775zSVxe8iNRoYNprLjmOB+zGZHE08yQOu3i8ttfHsYhHyzzXdSCvMycO/bW2sIp8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711869315; c=relaxed/simple; bh=q+vOh9o6WBoZ+lVzE07R3zOd8qEGRP1ByzZIP7oJ39Q=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=NrdNXzvtVw2xSjtgnvNxzn/x0KTUChK++XfqgC+vzRkfcSsbk5Ln9CnawUwHnOmO9TdD1GPmBre0x0NN38+80Y30phO860yOW8udQPR7rTggbx6CW6TNTDU2eCc98CAmNuCuYhi2i/696am3WKWW1CR7F2UpFZ77+l2HKyy10IM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=quaintcat.com; spf=pass smtp.mailfrom=quaintcat.com; dkim=pass (2048-bit key) header.d=quaintcat.com header.i=@quaintcat.com header.b=Yr79cs3L; arc=none smtp.client-ip=51.222.159.216 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=quaintcat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quaintcat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quaintcat.com header.i=@quaintcat.com header.b="Yr79cs3L" Date: Sun, 31 Mar 2024 02:15:11 -0500 (CDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mx3.quaintcat.com CC2A92004C31 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quaintcat.com; s=mx3v3; t=1711869313; bh=xFQ/WJLieL3fHLNC4Fua/1/ISIU55qp3ITXKcRcpmTw=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=Yr79cs3L/BthAM8x6+nOQmZfWJBf0NFg7R911xkEuWzGD5ewra0PetJ8yiSgJCxfZ CSuQ8C8XnpKV+siDZRsq8iOr//yQdKIEOKrXvYeZ+ikAl3E9X1nzxvCusuWEwNMdOM MpXcZmHCFi8/eydOtTincoUQ4gw3TaRdZzmYHhK4Vdx4UxENoQMHlb4TUXqEIkPwIb njiR1nVE4mkLlUchXEDscQg+tYcEdhmf4Ryz1lRQiQloJhCBWtPXFgGyMWN24vyrMR NBIZaep9fUYjSkIzxmc8IAT7wzGkDVb9Ox7QuoQwWhAQ3LecihE/1wdHe1ZRJM43/T ix2zxvI8Z7fMQ== From: Andrei Gaponenko To: Linux regressions mailing list cc: Andrei Gaponenko , stable@vger.kernel.org Subject: Re: [REGRESSION] external monitor+Dell dock in 6.8 In-Reply-To: Message-ID: <7543f75e-6a96-8114-cef9-779594a36460@quaintcat.com> References: <22aa3878-62c7-9a2c-cfcc-303f373871f6@quaintcat.com> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Hi Thorsten, On Sun, 31 Mar 2024, Linux regression tracking (Thorsten Leemhuis) wrote: > Does you laptop offer a HDMI or DP connector? Have you tried if that > that works any better? If it does not, then the DRM developers might be > willing to look into this. There are only USB-C port on this machine. However the external monitor still works if I use a small (passive?) HDMI-to-USB-C adapter instead of the dock. > Anyway: could you try to bisect the problem as described in > https://docs.kernel.org/admin-guide/verify-bugs-and-bisect-regressions.html Will do. Thank you for your reply! Andrei