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([2a02:908:1252:fb60:be8a:bd56:1f94:86e7]) by smtp.gmail.com with ESMTPSA id j4sm7493834edt.18.2021.01.31.09.22.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 31 Jan 2021 09:22:45 -0800 (PST) Reply-To: christian.koenig@amd.com Subject: Re: [bug] 5.11-rc5 brought page allocation failure issue [ttm][amdgpu] To: David Rientjes , Mikhail Gavrilov Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= , Linux List Kernel Mailing , amd-gfx list References: <4ce29a7e-f58a-aeb4-bef-34a7eada70d0@google.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <7a677c89-1974-0676-ba7d-b057ad2cab3f@gmail.com> Date: Wed, 3 Feb 2021 14:22:42 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 31.01.21 um 02:03 schrieb David Rientjes: > On Sat, 30 Jan 2021, David Rientjes wrote: > >> On Sun, 31 Jan 2021, Mikhail Gavrilov wrote: >> >>> The 5.11-rc5 (git 76c057c84d28) brought a new issue. >>> Now the kernel log is flooded with the message "page allocation failure". >>> >>> Trace: >>> msedge:cs0: page allocation failure: order:10, >> Order-10, wow! >> >> ttm_pool_alloc() will start at order-10 and back off trying smaller orders >> if necessary. This is a regression introduced in >> >> commit bf9eee249ac2032521677dd74e31ede5429afbc0 >> Author: Christian König >> Date: Wed Jan 13 14:02:04 2021 +0100 >> >> drm/ttm: stop using GFP_TRANSHUGE_LIGHT >> >> Namely, it removed the __GFP_NOWARN that we otherwise require. I'll send >> a patch in reply. >> > Looks like Michel Dänzer already sent a patch that > should fix this: > https://lore.kernel.org/lkml/20210128095346.2421-1-michel@daenzer.net/ Yeah, known issue. I already pushed Michel's fix to drm-misc-fixes. Should land in the next -rc by the weekend. Regards, Christian.