linux-kernel - Re: [PATCH v8 17/18] scsi: megaraid_sas: Added support for shared host tagset for cpuhotplug

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Message-ID: <0c75b881-3096-12cf-07cc-1119ca6a453e@huawei.com>
Date:   Mon, 9 Nov 2020 08:49:47 +0000
From:   John Garry <john.garry@...wei.com>
To:     Qian Cai <cai@...hat.com>, Sumit Saxena <sumit.saxena@...adcom.com>
CC:     Kashyap Desai <kashyap.desai@...adcom.com>,
        Jens Axboe <axboe@...nel.dk>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        <don.brace@...rosemi.com>, Ming Lei <ming.lei@...hat.com>,
        Bart Van Assche <bvanassche@....org>,
        <dgilbert@...erlog.com>, <paolo.valente@...aro.org>,
        Hannes Reinecke <hare@...e.de>, Christoph Hellwig <hch@....de>,
        <linux-block@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        "Linux SCSI List" <linux-scsi@...r.kernel.org>,
        <esc.storagedev@...rosemi.com>,
        "PDL,MEGARAIDLINUX" <megaraidlinux.pdl@...adcom.com>,
        <chenxiang66@...ilicon.com>, <luojiaxing@...wei.com>,
        Hannes Reinecke <hare@...e.com>
Subject: Re: [PATCH v8 17/18] scsi: megaraid_sas: Added support for shared
 host tagset for cpuhotplug

On 07/11/2020 00:17, Qian Cai wrote:
> On Sat, 2020-11-07 at 00:55 +0530, Sumit Saxena wrote:
>> I am able to hit the boot hang and similar kind of stack traces as
>> reported by Qian with shared .config on x86 machine.
>> In my case the system boots after a hang of 40-45 mins. Qian, is it
>> true for you as well ?
> I don't know. I had never waited for that long.
> 
> .
> 

Hi Qian,

By chance do have an equivalent arm64 .config, enabling the same RH 
config options?

I suppose I could try do this myself also, but an authentic version 
would be nicer.

Thanks,
John