From: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
To: Pintu Agarwal <pintu.ping@gmail.com>
Cc: open list <linux-kernel@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org,
Russell King - ARM Linux <linux@armlinux.org.uk>,
linux-mm@kvack.org, linux-pm@vger.kernel.org,
kernelnewbies@kernelnewbies.org
Subject: Re: Need help: how to locate failure from irq_chip subsystem
Date: Fri, 18 Jan 2019 17:23:42 +0530 [thread overview]
Message-ID: <1ffe2b68-c87b-aa19-08af-b811063b3310@codeaurora.org> (raw)
In-Reply-To: <CAOuPNLjjd67FnjaHbJj_auD-EWnbc+6sc+hcT_HE6fjeKhEQrw@mail.gmail.com>
On 1/18/2019 4:50 PM, Pintu Agarwal wrote:
>>>> 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.
>
Hmm, since this is a bootup crash, *initcall_debug* should help.
Add "initcall_debug ignore_loglevel" to kernel commandline and
check the last log before crash.
- Sai
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2019-01-18 11:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-18 10:08 Need help: how to locate failure from irq_chip subsystem Pintu Agarwal
2019-01-18 10:24 ` Sai Prakash Ranjan
2019-01-18 10:48 ` Pintu Agarwal
2019-01-18 10:48 ` Pintu Agarwal
2019-01-18 11:03 ` Sai Prakash Ranjan
2019-01-18 11:20 ` Pintu Agarwal
2019-01-18 11:20 ` Pintu Agarwal
2019-01-18 11:53 ` Sai Prakash Ranjan [this message]
2019-01-21 12:35 ` Pintu Agarwal
2019-01-21 12:35 ` Pintu Agarwal
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