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Tue, 5 Jan 2021 15:40:21 +0000 Subject: Re: 5.11-rc1 TTM list corruption To: Huang Rui , Borislav Petkov Cc: "dri-devel@lists.freedesktop.org" , lkml References: <20201231104020.GA4504@zn.tnic> <20210104105802.GD32151@zn.tnic> <20210105041213.GA544780@hr-amd> <20210105103138.GB28649@zn.tnic> <20210105110852.GA1052081@hr-amd> <20210105114351.GD28649@zn.tnic> <20210105122026.GA227519@hr-amd> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: Date: Tue, 5 Jan 2021 16:40:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: <20210105122026.GA227519@hr-amd> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [2a02:908:1252:fb60:be8a:bd56:1f94:86e7] X-ClientProxiedBy: AM3PR07CA0100.eurprd07.prod.outlook.com (2603:10a6:207:6::34) To MN2PR12MB3775.namprd12.prod.outlook.com (2603:10b6:208:159::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2a02:908:1252:fb60:be8a:bd56:1f94:86e7] (2a02:908:1252:fb60:be8a:bd56:1f94:86e7) by AM3PR07CA0100.eurprd07.prod.outlook.com (2603:10a6:207:6::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3742.4 via Frontend Transport; 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So we didn't >>> reproduce it on amdgpu driver. I don't have such the old asic in my hand. >>> May we know whether this issue can be duplicated after SI which is used >>> amdgpu module (not sure whether you have recent APU or GPU)? >> The latest I have (I think it is the latest) is: >> >> [ 1.826102] [drm] initializing kernel modesetting (RENOIR 0x1002:0x1636 0x17AA:0x5099 0xD1). >> >> and so far that hasn't triggered it. Which makes sense because that >> thing uses amdgpu: >> >> [ 1.810260] [drm] amdgpu kernel modesetting enabled. > Yes! Renoir is late enough for amdgpu kernel module. :-) > Please let us know if you still encounter the issue. Thanks for the hints guys. You need a rather specific configuration, but I can reproduce this now. Let's see what the problem is here. Thanks, Christian. > > Thanks, > Ray