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[71.184.137.158]) by smtp.gmail.com with ESMTPSA id a13-20020ac84d8d000000b002f940249151sm285119qtw.73.2022.05.23.12.59.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 12:59:20 -0700 (PDT) Message-ID: <16635cf8256db581d0318f28bb6898e2ca8cfe1c.camel@redhat.com> From: Lyude Paul To: Computer Enthusiastic Date: Mon, 23 May 2022 15:59:19 -0400 In-Reply-To: References: Organization: Red Hat Inc. User-Agent: Evolution 3.42.4 (3.42.4-2.fc35) MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lyude@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Subject: Re: [Nouveau] nouveau lockdep deadlock report with 5.18-rc6 X-BeenThere: nouveau@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Nouveau development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hans de Goede , "dri-devel@lists.freedesktop.org" , Ben Skeggs , "nouveau@lists.freedesktop.org" Errors-To: nouveau-bounces@lists.freedesktop.org Sender: "Nouveau" On Fri, 2022-05-20 at 13:46 +0200, Computer Enthusiastic wrote: > Hello, > > Il giorno mer 18 mag 2022 alle ore 19:42 Lyude Paul > ha scritto: > > > > On Tue, 2022-05-17 at 13:10 +0200, Hans de Goede wrote: > > > Hi All, > > > I just noticed the below lockdep possible deadlock report with a 5.18- > > > rc6 > > > kernel on a Dell Latitude E6430 laptop with the following nvidia GPU: > > > [..] > I hope not to be off topic in regard to kernel version, otherwise I > apologize in advance. > > I would like to report that I'm constantly observing a similar, but > somehow different, lockdep warning (see [1]) in kernels 5.16 and 5.17 > (compiled with lockdep debugging features) every time I activate the > Suspend To Ram (regardless if STR succeeds or not). You may be on the right track actually, as so far my investigation has shown that this bug definitely would have been present around those kernel versions as well. Trying to come up with a solution for this > > Thanks. > > [1] > https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/-/issues/547#note_1361411 > -- Cheers, Lyude Paul (she/her) Software Engineer at Red Hat From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0EFF3C433EF for ; Mon, 23 May 2022 19:59:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3B6CA10E163; Mon, 23 May 2022 19:59:26 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 75C4010E163 for ; Mon, 23 May 2022 19:59:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1653335963; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ddfPEJdtYL/mwU6q86zNuwkwjbjRlMAcwVwFbAWHHkc=; b=do6Q6sHZ2ARpOD7BMS4N4oT3FRdBWKlXEUtJo7sClu+0zvLLIWHHUlA0DAF0EzNqDZPi8K Ri/JI9+BQvzE78XMAXy323O4RGky3k8h8N+zI2Sjqx+LxZwd/rDpWDFQNYKYNS5NSJ+Wy6 f24arDJaUR69IXze/MjZ/9QR7tGo+EE= Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-283-1mBPsCJ2O3KnYSXApIZVOw-1; Mon, 23 May 2022 15:59:22 -0400 X-MC-Unique: 1mBPsCJ2O3KnYSXApIZVOw-1 Received: by mail-qv1-f72.google.com with SMTP id j2-20020a0cfd42000000b0045ad9cba5deso11736168qvs.5 for ; Mon, 23 May 2022 12:59:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:organization:user-agent:mime-version :content-transfer-encoding; bh=ddfPEJdtYL/mwU6q86zNuwkwjbjRlMAcwVwFbAWHHkc=; b=kPpom7fReXdh26tE4TDm29LBQDPC7ZO6WiwhKz8PS5TG+OuP48eJNko835hx+ooxim VjtG24vIjubPgtnRhVD7IWbQxb0GdPvegEJcEjBLOm/Lk4pqaEygVWWcnoJa+ITYzaV3 +y/BH8ONbsF7jf/w+bOcTxwnStupo15dYm3fBJG0jpnhGIBaCEi7bG42oJLrSnIbCoaM pWN1ufPjEFBKArvY735CVnodvnue+lF34moLlsQwlKyQ8NF07SXVFNNBJjt9i0/c77Q4 nj7YXwqtm2K5j1iJ/Uss1N9dJ+r4cmSQwMPZu5GpmYOtycRF2jasgofIqG7/KF2wDWnA BKZA== X-Gm-Message-State: AOAM531rZqxhwKi6txne3phkKSJsiIfaC+ZMg6oLUdMN9FIkEVcnkEWk kLx4EEXDj+sgVpL1gniFYjyhChLLEFKUesnABZfSZcT9UlXu7kKmzLq66veNkGDmFMiDXSROUFk 1M4mJkzFuAG/458tbyxCLVeS/o2qM X-Received: by 2002:a0c:ea34:0:b0:456:319f:f3aa with SMTP id t20-20020a0cea34000000b00456319ff3aamr18650008qvp.18.1653335961836; Mon, 23 May 2022 12:59:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJweet0HclEeyKfwzfrIUnDrHftXzyFLjzIinkx+VsILfcHP9e932p08gvaWx9BPXlhCjhkn8Q== X-Received: by 2002:a0c:ea34:0:b0:456:319f:f3aa with SMTP id t20-20020a0cea34000000b00456319ff3aamr18649989qvp.18.1653335961438; Mon, 23 May 2022 12:59:21 -0700 (PDT) Received: from [192.168.8.138] (static-71-184-137-158.bstnma.ftas.verizon.net. [71.184.137.158]) by smtp.gmail.com with ESMTPSA id a13-20020ac84d8d000000b002f940249151sm285119qtw.73.2022.05.23.12.59.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 12:59:20 -0700 (PDT) Message-ID: <16635cf8256db581d0318f28bb6898e2ca8cfe1c.camel@redhat.com> Subject: Re: [Nouveau] nouveau lockdep deadlock report with 5.18-rc6 From: Lyude Paul To: Computer Enthusiastic Date: Mon, 23 May 2022 15:59:19 -0400 In-Reply-To: References: Organization: Red Hat Inc. User-Agent: Evolution 3.42.4 (3.42.4-2.fc35) MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lyude@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hans de Goede , "dri-devel@lists.freedesktop.org" , Ben Skeggs , Karol Herbst , "nouveau@lists.freedesktop.org" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, 2022-05-20 at 13:46 +0200, Computer Enthusiastic wrote: > Hello, > > Il giorno mer 18 mag 2022 alle ore 19:42 Lyude Paul > ha scritto: > > > > On Tue, 2022-05-17 at 13:10 +0200, Hans de Goede wrote: > > > Hi All, > > > I just noticed the below lockdep possible deadlock report with a 5.18- > > > rc6 > > > kernel on a Dell Latitude E6430 laptop with the following nvidia GPU: > > > [..] > I hope not to be off topic in regard to kernel version, otherwise I > apologize in advance. > > I would like to report that I'm constantly observing a similar, but > somehow different, lockdep warning (see [1]) in kernels 5.16 and 5.17 > (compiled with lockdep debugging features) every time I activate the > Suspend To Ram (regardless if STR succeeds or not). You may be on the right track actually, as so far my investigation has shown that this bug definitely would have been present around those kernel versions as well. Trying to come up with a solution for this > > Thanks. > > [1] > https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/-/issues/547#note_1361411 > -- Cheers, Lyude Paul (she/her) Software Engineer at Red Hat