Linux ARM-MSM sub-architecture
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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Tj <tj.iam.tj@proton.me>, Srinivas Kandagatla <srini@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org
Subject: Re: qcom_slim_ngd_ctrl_probe: blocked on a mutex
Date: Fri, 13 Mar 2026 10:54:49 +0100	[thread overview]
Message-ID: <7672009d-7b14-4df2-b057-1ca5ef4fe79e@oss.qualcomm.com> (raw)
In-Reply-To: <f1a1e72f-318b-4888-b03f-4f38ab4cee6e@proton.me>

On 3/12/26 1:14 AM, Tj wrote:
> Currently working on sdm850 device (Samsung Galaxy Book2 W737) and 
> seeing kernel hang early and never recover when probing qcom-ngd-ctrl 
> platform driver.  Only able to capture a photo of the stack traces as a 
> result; I'll try to transcribe the important parts here. My diagnosis 
> suggests that the module is calling __platform_driver_register() twice 
> and may be the cause of the hang.

https://lore.kernel.org/all/20260309-slim-ngd-dev-v1-0-5843e3ed62a3@oss.qualcomm.com/

should be able to help with some of that

Konrad

  reply	other threads:[~2026-03-13  9:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-12  0:14 qcom_slim_ngd_ctrl_probe: blocked on a mutex Tj
2026-03-13  9:54 ` Konrad Dybcio [this message]
2026-03-13 12:00   ` Tj
2026-03-13 12:03     ` Konrad Dybcio

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