From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>,
kernel test robot <rong.a.chen@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Jens Axboe <axboe@fb.com>,
lkp@01.org
Subject: Re: [LKP] [block] 9d037ad707: BUG:unable_to_handle_kernel
Date: Thu, 29 Nov 2018 10:10:55 -0700 [thread overview]
Message-ID: <e22e64dd-1433-345c-4e43-50c9d1818d6f@kernel.dk> (raw)
In-Reply-To: <20181129170535.GA28147@lst.de>
On 11/29/18 10:05 AM, Christoph Hellwig wrote:
> On Thu, Nov 29, 2018 at 05:20:31PM +0800, kernel test robot wrote:
>> FYI, we noticed the following commit (built with gcc-7):
>>
>> commit: 9d037ad707ed6069fbea4e38e6ee37e027b13f1d ("block: remove req->timeout_list")
>> https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git mq-perf
>
> This looks very odd. How could we introduce a new BUG with the removal
> of an unused structure member?
Someone else reported a t10 pi issue, I'm guessing it's a latent bug and
the struct size changing is causing it to trigger weirdly on this one.
That's the only explanation, as it can't possibly be this specific commit.
--
Jens Axboe
prev parent reply other threads:[~2018-11-29 17:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-29 9:20 kernel test robot
2018-11-29 17:05 ` Christoph Hellwig
2018-11-29 17:10 ` Jens Axboe [this message]
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