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[209.85.220.41]) by mx.google.com with SMTPS id b19sor2530773uak.40.2019.01.18.03.20.21 for (Google Transport Security); Fri, 18 Jan 2019 03:20:21 -0800 (PST) Received-SPF: pass (google.com: domain of pintu.ping@gmail.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=D9GmmFAg; spf=pass (google.com: domain of pintu.ping@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=pintu.ping@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XqF0zZgFayTmTO/6SUH1t+WrRUcv72SweIyRMBjv87g=; b=D9GmmFAgjv+5fMxCXp5xCcl/ZSn3HHWyfLbIKnqEUoQGUzpEQtnK872HuAFMporWy8 FtB1I6hgNbsI6BGQyRFD66Jk28nEWyr1cJ54576q1P1tfwswQYlPZtG2LDSNwAGI5c2c vsmRxZ4VggCqcAce4ZGUjJzE0t3BtOo6o6NUmcmENogt0PgUndm2XUv92fNkLoN8XdiF eMhKQ5bgmb3zns4sBO+V0DVEjyLzAeeJ/i1ymIl+iLgWy3i+SBuuwKlGZezyWUgbN7ay NygDllUwwt1jhMga1NQiwO733GITXacZUEs+U3vjLk9yAcGaK99uJ+qO07OWCDuVJ+r7 ksnw== X-Google-Smtp-Source: ALg8bN6mxLE2fuUGoFKjllqfM6KcxqbBeCmty7KewOuDUIEDxWLGW1kJw0dz41+rI27UPKQCj1yKvjE6TfH21SValXE= X-Received: by 2002:ab0:8d9:: with SMTP id o25mr7383232uaf.127.1547810421480; Fri, 18 Jan 2019 03:20:21 -0800 (PST) MIME-Version: 1.0 References: <57ff3437-47b5-fe92-d576-084ce26aa5d8@codeaurora.org> In-Reply-To: <57ff3437-47b5-fe92-d576-084ce26aa5d8@codeaurora.org> From: Pintu Agarwal Date: Fri, 18 Jan 2019 16:50:10 +0530 Message-ID: Subject: Re: Need help: how to locate failure from irq_chip subsystem To: Sai Prakash Ranjan Cc: open list , linux-arm-kernel@lists.infradead.org, Russell King - ARM Linux , linux-mm@kvack.org, linux-pm@vger.kernel.org, kernelnewbies@kernelnewbies.org Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Message-ID: <20190118112010._XUtl6ochgSJuztADmEnVnlr5sbl-F4jY5UCa-rmN2I@z> > >> Could you please tell which QCOM SoC this board is based on? > >> > > > > Snapdragon 845 with kernel 4.9.x > > I want to know from which subsystem it is triggered:drivers/soc/qcom/ > > > > Irqchip driver is "drivers/irqchip/irq-gic-v3.c". The kernel you are > using is msm-4.9 I suppose or some other kernel? > Yes, I am using customized version of msm-4.9 kernel based on Android. And yes the irqchip driver is: irq-gic-v3, which I can see from config. But, what I wanted to know is, how to find out which driver module (hopefully under: /drivers/soc/qcom/) that register with this irq_chip, is getting triggered at the time of crash ? So, that I can implement irq_hold function for it, which is the cause of crash.