linux-kernel - Re: panic, bisect to commit 7f1d4e58dabb "spmi: pmic-arb: optimize table lookups"

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Message-ID: <596E9C9A.9040707@gmail.com>
Date:   Tue, 18 Jul 2017 16:41:14 -0700
From:   Frank Rowand <frowand.list@...il.com>
To:     Rajendra Nayak <rnayak@...eaurora.org>,
        Kiran Gunda <kgunda@...eaurora.org>,
        Abhijeet Dharmapurikar <adharmap@...eaurora.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Timur Tabi <timur@...eaurora.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        adharmap@...cinc.com, aghayal@....qualcomm.com
Subject: Re: panic, bisect to commit 7f1d4e58dabb "spmi: pmic-arb: optimize
 table lookups"

On 07/17/17 22:44, Frank Rowand wrote:
> On 07/17/17 22:06, Frank Rowand wrote:
>> On 07/17/17 20:56, Rajendra Nayak wrote:
>>>
>>> On 07/18/2017 09:12 AM, Frank Rowand wrote:
>>>> Hi Abhijeet,
>>>>
>>>> My qcom-apq8074-dragonboard panics on boot on v4.13-rc1.
>>>>
>>>> I bisected the problem to commit 7f1d4e58dabb, "spmi: pmic-arb:
>>>> optimize table lookups".
>>>
>>> there's a fix on its way upstream,
>>> https://patchwork.kernel.org/patch/9810723/
>>>
>>
>> Thank you for the pointer to the patch.  After adding the patch, my
>> board still does not boot, but now has several different stack
>> dumps from various drivers.  I do not know if the new errors are
>> related to this patch or something entirely different.  I'll dig
>> into it tomorrow.
> 
> There is one more test I should have done before sending my previous
> email.  I added the patch that is planned to fix the problem I
> reported on top of:
> 
>   76b069b1cb20 spmi: spmi-pmic-arb: enable the SPMI interrupt as a wakeup source
> 
> which is the last patch in the series that included the patch that
> I reported a problem with.  My board boots fine at that point,
> so I am fairly confident that my further boot issues have yet
> another cause, and that the fix on its way upstream should fix
> the specific problem that I reported.

Again, thank you Rajendra.

https://patchwork.kernel.org/patch/9810723/ did fix the problem for
my board.

My board boots after adding two more fixes that are unrelated to
this patch.

-Frank