linux-kernel - Re: upstream kernel crashes

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Message-ID: <D887C3E7-4C2A-4576-8F63-4CFFF8479069@anarazel.de>
Date:   Mon, 15 Aug 2022 00:17:44 -0700
From:   Andres Freund <andres@...razel.de>
To:     "Michael S. Tsirkin" <mst@...hat.com>
CC:     Jens Axboe <axboe@...nel.dk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-kernel@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>
Subject: Re: upstream kernel crashes

Hi, 

On August 14, 2022 11:36:55 PM PDT, "Michael S. Tsirkin" <mst@...hat.com> wrote:
>On Sun, Aug 14, 2022 at 06:36:51PM -0700, Andres Freund wrote:
>> Hi,
>> 
>> On 2022-08-14 19:04:22 -0600, Jens Axboe wrote:
>> > I took a quick look and added more SCSI bits to my vm images, but
>> > haven't been able to hit it.
>> 
>> Didn't immediately hit anything locally in a vm either...
>> 
>> 
>> > Sounds like Andres is already bisecting this, so I guess we'll be wiser
>> > soon enough.
>> 
>> I started bisecting the network issue, as it occurred first, and who knows
>> what else it could affect. Will bisect the other range after.
>> 
>> Due to the serial console issue mentioned upthread it's pretty slow
>> going. Each iteration I create a new gcp snapshot and vm. Adds like ~10min.
>> Doesn't help if intermediary steps don't boot with different symptoms and
>> another doesn't immediately build...
>
>Just so we can stop pestering everyone, could you try
>
>git revert --no-edit 0b6fd46ec5f5..a335b33f4f35 ?
>
>Equivalently I pushed it here:
>
>https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git test

Saw this too late - I assume you don't need this anymore now that I pinpointed the one commit?

Andres
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