linux-kernel - Re: WARNING and PANIC in irq_matrix

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Message-ID: <16f47fa4-1555-cddb-3dfb-7d56fb992ea1@mellanox.com>
Date:   Wed, 23 May 2018 10:16:24 +0300
From:   Tariq Toukan <tariqt@...lanox.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Dmitry Safonov <0x7f454c46@...il.com>
Cc:     Tariq Toukan <tariqt@...lanox.com>,
        open list <linux-kernel@...r.kernel.org>,
        Maor Gottlieb <maorg@...lanox.com>
Subject: Re: WARNING and PANIC in irq_matrix_free



On 19/05/2018 2:20 PM, Thomas Gleixner wrote:
> On Fri, 18 May 2018, Dmitry Safonov wrote:
>> I'm not entirely sure that it's the same fault, but at least backtrace
>> looks resembling.
> 
> Yes, it's similar, but not the same issue. I'll stare are the code ...
> 
> Thanks,
> 
> 	tglx
> 

We still see the issue in our daily regression runs.
I have your patch merged into my internal branch, it prints the following:

[ 4898.226258] Trying to clear prev_vector: 0
[ 4898.226439] Trying to clear prev_vector: 0

i.e. vector(0) is lower than FIRST_EXTERNAL_VECTOR.