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Thu, 02 Apr 2026 12:19:06 -0700 (PDT) X-Received: by 2002:a17:903:1248:b0:2b0:6f21:8289 with SMTP id d9443c01a7336-2b28179947fmr4581485ad.25.1775157545681; Thu, 02 Apr 2026 12:19:05 -0700 (PDT) Received: from [192.168.0.172] ([49.205.251.12]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b27472d646sm37774555ad.5.2026.04.02.12.18.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Apr 2026 12:19:05 -0700 (PDT) Message-ID: Date: Fri, 3 Apr 2026 00:48:57 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/6] media: iris: enable SM8350 and SC8280XP support To: Steev Klimaszewski , dmitry.baryshkov@oss.qualcomm.com Cc: abhinav.kumar@linux.dev, andersson@kernel.org, bod@kernel.org, bryan.odonoghue@linaro.org, conor+dt@kernel.org, david@ixit.cz, devicetree@vger.kernel.org, dikshita.agarwal@oss.qualcomm.com, johan+linaro@kernel.org, konrad.dybcio@oss.qualcomm.com, konradybcio@kernel.org, krzk+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, robh@kernel.org, stanimir.varbanov@linaro.org References: <20260402183209.27159-1-threeway@gmail.com> Content-Language: en-US From: Vikash Garodia In-Reply-To: <20260402183209.27159-1-threeway@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDE3MiBTYWx0ZWRfX1CZuvTHq9vX4 FC7V7JhGfVjG1+k78sNFn0vhvwq6UGnnQdJN5CuVIA8MnsNHE5DPT33pCAMYYk16stv3Jju2f7i gE/gagZEtUj/fzjNpr1f2z0dQbKXr4pcNruPMm65VwYBBrQuiSIemqhlYubTOMUbcYM4svWAN6K u4GlFx/RvKaPadHjgkFhED72d9NBCzLsLHzDO27V4AxaCfptjTrlpa2W6PhJ/ladC7kotzhdXzv DrN75b+m+6zllVQgRv/ItPn+3nN+6HjX0SuBABXVZts+5Uz7c1nYh7MtK19MYSAjrjC0mT58syq KNZRy/bOhAeFWG3tiXR6FYoNSQV1J4PgkjMwQq6uPTemHIPXJFsoXY4u7WhCLpAV8UXyTPBTEl/ cGrZ51+HIp68XAQUCZKy49EyhTJq26/ScekQ/PzlZT9PrBjXKmQGItomTX6I+chEOzzcrXSjQwh u7T+rEzgjflkbol4G7w== X-Authority-Analysis: v=2.4 cv=D5xK6/Rj c=1 sm=1 tr=0 ts=69cec12b cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=HjhN+elnpTkf3xRQdsZrsA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=4UBBUgiBvx0gm6X3eg8A:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: BrjubNji9piAzX0YVvTKa7EhVSOFrXIl X-Proofpoint-ORIG-GUID: BrjubNji9piAzX0YVvTKa7EhVSOFrXIl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-02_03,2026-04-02_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 adultscore=0 priorityscore=1501 bulkscore=0 spamscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020172 Hi Steev, Dmitry, On 4/3/2026 12:02 AM, Steev Klimaszewski wrote: > Hi Dmitry, > >> Thanks for the additional testing! > >> This might be: >> - A bug in the firmware >> - A bug in the Gen1 support in the Iris driver. >> - A bug in totem (heh). > >> Would you mind sharing details, which video were you trying to play (at >> least, the codec that it used, please). > >> Also, does it kill the playback afterwards? Can you start another >> playing stream afterwards? > > The video that does not work seems to be > > Metadata: > major_brand : M4V > minor_version : 1 > compatible_brands: isomavc1mp42 > creation_time : 2025-08-04T19:42:21.000000Z > Duration: 00:00:35.24, start: 0.000000, bitrate: 6291 kb/s > Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 6126 kb/s, 23.98 fps, 23.98 tbr, 24k tbn (default) > Metadata: > creation_time : 2025-08-04T19:42:21.000000Z > handler_name : ETI ISO Video Media Handler > vendor_id : [0][0][0][0] > encoder : Elemental H.264 > Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 159 kb/s (default) > > > However, a video that *does* work is > > Stream #0:0: Video: av1 (libdav1d) (Main), yuv420p(tv, bt709), 1920x1080, 23.98 fps, 23.98 tbr, 1k tbn > Metadata: > HANDLER_NAME : ISO Media file produced by Google Inc. > VENDOR_ID : [0][0][0][0] > DURATION : 00:05:16.732000000 > Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp, start 0.007000 > Metadata: > DURATION : 00:05:16.744000000 > Stream #0:2: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 1280x720, 90k tbr, 90k tbn (attached pic) > Metadata: > filename : cover.jpg > mimetype : image/jpeg > > I do not have a ton of videos to test, so I just used 2 that are on my system. > > This is not just with totem, showtime shows the same issue. If I let the video > play, it plays just fine, however, if I attempt to skip forward, back, or even > play *after* the video has played, then I see the smmu fault > > arm-smmu 15000000.iommu: Unhandled context fault: fsr=0x402, iova=0xd51e3e00, fsynr=0x600002, cbfrsynra=0x2a00, cb=6 please log the info about which "iova=0xd51e3e00" buffer is faulting in this case Regards, Vikash > arm-smmu 15000000.iommu: FSR = 00000402 [Format=2 TF], SID=0x2a00 > arm-smmu 15000000.iommu: FSYNR0 = 00600002 [S1CBNDX=96 PLVL=2] > qcom-iris aa00000.video-codec: sys error (type: 1, session id:ff, data1:1, data2:deadbead) > > If I exit and re-launch totem, it will play the video through, but again, if I > attempt to skip forward, back or play once it has finished the video, then again > the smmu fault occurs. > > totem and showtime both use gstreamer, and show the issue. showtime replaces > totem as the media player on modern gnome systems. mpv and vlc do *not* show > the issue, but they also do not appear to use iris/venus at all. > > Totem is version 43.2-11 > Showtime is version 50~rc2 > > Host system is Kali, which is essentially Debian Testing. > > -- steev