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Mon, 11 Jan 2021 20:45:53 +0000 Subject: Re: [drm:dm_plane_helper_prepare_fb [amdgpu]] *ERROR* Failed to pin framebuffer with error -12 To: Mikhail Gavrilov Cc: amd-gfx list , dri-devel , Linux List Kernel Mailing , Harry Wentland , "Deucher, Alexander" References: <816e944c-72bc-d94d-449f-bfb915382290@amd.com> <6e55d84c-7b9a-167c-34cf-9e980f8e2354@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <77b696b9-3248-d329-4f7d-5e27a21eabff@amd.com> Date: Mon, 11 Jan 2021 21:45:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Originating-IP: [2a02:908:1252:fb60:be8a:bd56:1f94:86e7] X-ClientProxiedBy: AM3PR04CA0135.eurprd04.prod.outlook.com (2603:10a6:207::19) 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 AM3PR04CA0135.eurprd04.prod.outlook.com (2603:10a6:207::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3742.6 via Frontend Transport; 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Unfortunately not, that's DC stuff. Easiest is to assign this as a bug tracker to our DC team. > Here a same error message "sleeping function called from invalid > context" and a lot of [amdgpu] code. [SNIP] >>> -12 is just -ENOMEM. Looks like a memory leak to me, maybe caused by >>> the problem above, maybe something completely unrelated. >>> >>> I will take a look. >> The looks like a completely unrelated memory leak to me. >> >> Probably best if you open up a bug report for this. > Yes, the monitor still turns off after applying patch "make the pool > shrinker lock a mutex". > Anyway patch fixed the issue with flood of message "BUG: sleeping > function called from invalid context at mm/vmalloc.c:1756" so kernel > log became cleaner. At least some progress. Any objections that I add your e-mail address as tested-by tag? > Now the issue with turns off monitor looks in logs so: > > DMA-API: cacheline tracking ENOMEM, dma-debug disabled > amdgpu 0000:0b:00.0: amdgpu: 000000006b791523 pin failed > [drm:dm_plane_helper_prepare_fb [amdgpu]] *ERROR* Failed to pin > framebuffer with error -12 > BUG: kernel NULL pointer dereference, address: 0000000000000060 > #PF: supervisor read access in kernel mode > #PF: error_code(0x0000) - not-present page > PGD 0 P4D 0 > Oops: 0000 [#1] SMP NOPTI > CPU: 20 PID: 3780 Comm: brave:cs0 Tainted: G W --------- > --- 5.11.0-0.rc2.20210108gitf5e6c330254a.120.fc34.x86_64 #1 > Hardware name: System manufacturer System Product Name/ROG STRIX > X570-I GAMING, BIOS 2802 10/21/2020 > RIP: 0010:ttm_tt_swapin+0x34/0x1b0 [ttm] > Code: 55 41 54 55 53 48 83 ec 10 48 8b 47 20 48 89 44 24 08 48 85 c0 > 0f 84 86 01 00 00 48 8b 44 24 08 49 89 fc 4c 8b a8 e0 01 00 00 <41> 8b > 45 60 89 44 24 04 8b 47 0c 85 c0 0f 84 df 00 00 00 31 db 65 > RSP: 0018:ffffa7400532b9c0 EFLAGS: 00010286 > RAX: ffff978e2ae25800 RBX: ffff97910ec12058 RCX: ffff978e12caac70 > RDX: 0000000080000010 RSI: 0000000000000000 RDI: ffff97912c3d99c0 > RBP: ffff97912c3d99c0 R08: 0000000000000000 R09: 0000000070b3a000 > R10: 0000000000000002 R11: 0000000000000000 R12: ffff97912c3d99c0 > R13: 0000000000000000 R14: ffffa7400532ba90 R15: ffff978e182c6350 > FS: 00007f070bb1b640(0000) GS:ffff979509200000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000060 CR3: 00000001f0cd2000 CR4: 0000000000350ee0 > Call Trace: > ttm_tt_populate+0xa9/0xe0 [ttm] > ttm_bo_handle_move_mem+0x142/0x180 [ttm] > ttm_bo_validate+0x12e/0x1c0 [ttm] I can take a look at this one here. Looks like some missing error handling when allocating memory. Can you decode to which line number ttm_tt_swapin+0x34 points to? [SNIP] > You said that I need open up a bug report you means site > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.kernel.org%2F&data=04%7C01%7Cchristian.koenig%40amd.com%7C75040f5053404b0f302b08d8b666769b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637459898491581880%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=IbkSfHK%2BD13OCcYMg%2BlNsZixi9gDEQEfS7Mxyf7vGdM%3D&reserved=0 ? > I thought mailing lists is better because bug report on > bugzilla.kernel.org usually leave opened for several years without > attention. Please use this one here: https://gitlab.freedesktop.org/drm/amd/-/issues/new If you can't find the DC guys of hand in the assignee list just assign to me and I will forward. But what you have in your logs so far are only unrelated symptoms, the root of the problem is that somebody is leaking memory. What you could do as well is to try to enable kmemleak and maybe try some bleeding edge branch like drm-misc-fixes or Alex amd-staging-drm-next branch. Thanks for the help, Christian. 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for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Deucher, Alexander" , Harry Wentland , dri-devel , amd-gfx list , Linux List Kernel Mailing Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" SGkgTWlrZSwKCkFtIDExLjAxLjIxIHVtIDIwOjIzIHNjaHJpZWIgTWlraGFpbCBHYXZyaWxvdjoK PiBPbiBNb24sIDExIEphbiAyMDIxIGF0IDE5OjAxLCBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3Rp YW4ua29lbmlnQGFtZC5jb20+IHdyb3RlOgo+Cj4+IENoYW5naW5nIHRoZSBwYWdlIHRhYmxlIGF0 dHJpYnV0ZXMgd2hpbGUgcmVsZWFzaW5nIG1lbW9yeSBtaWdodCBzbGVlcC4KPj4gU28gd2UgY2Fu J3QgdXNlIGEgc3BpbmxvY2sgaGVyZS4KPj4KPj4gVGhhbmtzIGZvciB0aGUgcmVwb3J0LCBhIHBh dGNoIHRvIGZpeCB0aGlzIGlzIG9uIHRoZSBtYWlsaW5nIGxpc3Qgbm93Lgo+IENhbiB5b3UgbG9v ayBhbHNvIHRoZSBmaXJzdCB0cmFjZT8KClVuZm9ydHVuYXRlbHkgbm90LCB0aGF0J3MgREMgc3R1 ZmYuIEVhc2llc3QgaXMgdG8gYXNzaWduIHRoaXMgYXMgYSBidWcgCnRyYWNrZXIgdG8gb3VyIERD 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