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([2a02:908:1252:fb60:1dce:acd2:1722:e6e8]) by smtp.gmail.com with ESMTPSA id y13-20020a50eb8d000000b0041f112a63c4sm2313487edr.52.2022.04.15.01.04.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Apr 2022 01:04:07 -0700 (PDT) Message-ID: <675a2d33-b286-d1d0-e4e7-05d6516026c0@gmail.com> Date: Fri, 15 Apr 2022 10:04:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [Bug][5.18-rc0] Between commits ed4643521e6a and 34af78c4e616, appears warning "WARNING: CPU: 31 PID: 51848 at drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120" and some games stopped working. Content-Language: en-US To: Mikhail Gavrilov Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= , thomas.hellstrom@linux.intel.com, Daniel Vetter , Linux List Kernel Mailing , amd-gfx list , "Deucher, Alexander" , Ken.Xue@amd.com References: <0d5f66d8-9852-b6a9-0e27-9eb9e736d698@amd.com> <4d0cbb79-4955-a3ed-4aa2-7f6cdaa00481@gmail.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 15.04.22 um 07:38 schrieb Mikhail Gavrilov: > On Sat, Apr 9, 2022 at 7:27 PM Christian König > wrote: >> That's unfortunately not the end of the story. >> >> This is fixing your problem, but reintroducing the original problem that >> we call the syncobj with a lock held which can crash badly as well. >> >> Going to take a closer look on Monday. I hope you can test a few more >> patches to help narrow down what's actually going wrong here. >> >> Thanks, >> Christian. >> > Hi Christian. > I'm sorry to trouble you. > Have you forgotten about this issue? > No, I just couldn't find time during all that bug fixing :) Sorry for the delay, going to take a look after the eastern holiday here. Christian.