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Tue, 31 Mar 2026 22:59:24 -0700 (PDT) X-Received: by 2002:a17:903:1acd:b0:2b0:badc:c9cf with SMTP id d9443c01a7336-2b25eeb97b8mr58989265ad.13.1775023163872; Tue, 31 Mar 2026 22:59:23 -0700 (PDT) Received: from [10.204.78.131] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b24279113fsm136283885ad.60.2026.03.31.22.59.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 31 Mar 2026 22:59:23 -0700 (PDT) Message-ID: Date: Wed, 1 Apr 2026 11:29:19 +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 v2] arm64: dts: qcom: agatti: enable FastRPC on the ADSP To: Konrad Dybcio , Sumit Garg , Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260113-agatti-fastrpc-v2-1-b66870213f89@oss.qualcomm.com> <3447efbf-2720-4c9f-9a74-ca9baafa96ad@oss.qualcomm.com> Content-Language: en-US From: Ekansh Gupta In-Reply-To: <3447efbf-2720-4c9f-9a74-ca9baafa96ad@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: UbyXlafpAHGryg1R4bH7babPom-KVr_T X-Authority-Analysis: v=2.4 cv=XfqEDY55 c=1 sm=1 tr=0 ts=69ccb43d cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=NEAV23lmAAAA:8 a=3eSu6wPcG68MjonYX6EA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDA0OSBTYWx0ZWRfXyNiC/SXyeo0K S2UZQeqdnk9opOk1MYkDOGGlUsXkBYJ9CYDOrw/SXP/uqIlpVxoH2MNzbGa9GVLcHKn8nHFD6YR 8ZiL90eKrhy6ja27mEcEW129Hxb98atdjD2WTrWLgYIY2xllezfJKUGhFQ2uqtu4zjfZLBE/2sj Pw4ehESNnlrv+8l4Tt35QnfcqLyIZNyewMqQclntFyu3AZVM1zpmFQNNqU25x+WlfWWrH+BeR3g YLoc1+XsKLaPfpzM1s1N4UNF5nj3cojsRBQEYBUGsFA5KYMyTsrUWxfToBcwvokrWv0gnrSbTIA YCigi4GxT+jLUqAPtsNCzJs6h40R9jmCCCqUUOLebcNeEGadYnbLCoGzgEPwtnN2hAawAy207rO G9vgd7U7IGmx54M9C+r4JwVvksa6c1DBUio3pUEh4DfOzITBRgPcReiU6bOPnikllEbsLsxmPSP gclKG8Vc3+XArjBEMyQ== X-Proofpoint-GUID: UbyXlafpAHGryg1R4bH7babPom-KVr_T 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=2026-04-01_02,2026-03-31_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 clxscore=1015 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010049 On 3/30/2026 4:07 PM, Konrad Dybcio wrote: > On 3/30/26 6:54 AM, Sumit Garg wrote: >> On Tue, Jan 13, 2026 at 06:41:59PM +0200, Dmitry Baryshkov wrote: >>> On Agatti platform the ADSP provides FastRPC support. Add corresponding >>> device node, in order to be able to utilize the DSP offload from the >>> Linux side. >>> >>> Signed-off-by: Dmitry Baryshkov >>> --- >>> Changes in v2: >>> - Add more FastRPC context banks (6, 7) >>> - Link to v1: https://lore.kernel.org/r/20260113-agatti-fastrpc-v1-1-e210903ffcb1@oss.qualcomm.com >>> --- >>> arch/arm64/boot/dts/qcom/agatti.dtsi | 41 ++++++++++++++++++++++++++++++++++++ >>> 1 file changed, 41 insertions(+) >>> >> This patch causes a critical boot regression on RB1 as per the CI test >> report here [1]. I see this change already landed in this merge window. >> So, either this commit has to be reverted for v7.0 release or an >> appropriate fix is required. >> >> [1] https://github.com/qualcomm-linux/kernel/issues/359 > Why has that issue been opened 2 weeks ago with no action since? > > FWIW, copying the broader log from the LAVA job: > > > [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. > Starting [0;1;39maDSP RPC daemon[0m... > Starting [0;1;39maudiopd aDSP RPC daemon[0m... > Starting [0;1;39mAndroid Debug Bridge[0m... > Starting [0;1;39mAvahi mDNS/DNS-SD Stack[0m... > Starting [0;1;39mBluetooth service[0m... > Starting [0;1;39mD-Bus System Message Bus[0m... > [ 17.318840] qcom,fastrpc-cb ab00000.remoteproc:glink-edge:fastrpc:compute-cb@4: mem mmap error, fd 11, vaddr ffffae380000, size 262144 > [ 17.327877] qcom_q6v5_pas ab00000.remoteproc: fatal error received: SFR Init: wdog or kernel error suspected. > [ 17.343248] remoteproc remoteproc1: crash detected in adsp: type fatal error > [ 17.350567] qcom_q6v5_pas ab00000.remoteproc: Handover signaled, but it already happened > [ 17.358869] remoteproc remoteproc1: handling crash #1 in adsp > [ 17.364730] remoteproc remoteproc1: recovering adsp > > Format: Log Type - Time(microsec) - Message - Optional Info > Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic > > > It seems like this only ends up being a problem once the userland > daemon starting poking at the channel - +Ekansh, have you seen this > before? Looks like daemon attaching to PD is causing some DSP privileged PD crash. Checking this crash now, will update here if I have any findings. > > Konrad > >