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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Yi Zhang <yi.zhang@redhat.com>, Hannes Reinecke <hare@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-block <linux-block@vger.kernel.org>,
	"open list:NVM EXPRESS DRIVER" <linux-nvme@lists.infradead.org>,
	Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>,
	Daniel Wagner <dwagner@suse.de>, Ming Lei <ming.lei@redhat.com>,
	linux-mm@kvack.org, muchun.song@linux.dev, osalvador@suse.de
Subject: Re: [bug report] kernel BUG at mm/hugetlb.c:5868! triggered by blktests nvme/tcp nvme/029
Date: Thu, 12 Feb 2026 13:53:43 +0100	[thread overview]
Message-ID: <237fa136-ff52-4e7c-830b-1ed8e985f2f1@kernel.org> (raw)
In-Reply-To: <CAHj4cs-mxgZ+tWXgOfjYx+X_bC35zBHyMbNYcCUuHe0JPLsHWw@mail.gmail.com>

On 11/21/25 11:32, Yi Zhang wrote:
> 
> 
> On Fri, Nov 21, 2025 at 3:44 PM Hannes Reinecke <hare@suse.de 
> <mailto:hare@suse.de>> wrote:
> 
>     On 11/20/25 16:18, Yi Zhang wrote:
>      > I did more testing today, and found that this issue cannot be
>      > reproduced if I don't set the nr_hugepages
>      >
>      > https://github.com/linux-blktests/blktests/blob/master/tests/
>     nvme/029#L71 <https://github.com/linux-blktests/blktests/blob/
>     master/tests/nvme/029#L71>
>      >
> 
>     But is the inverse also true, namely _can_ you reproduce it when
>     nr_hugepages is set?
> 
> Yes, it's now 100% reproduced in my environment.
> CCed linux-mm@

Stumbling over this mail in linux-mm, do we have some more information 
about the problem we are running into?

-- 
Cheers,

David


      reply	other threads:[~2026-02-12 12:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAHj4cs9Ez5f+SsHMcbYVeKGScuL9vq71i57kRgu2KneRtXRwmw@mail.gmail.com>
     [not found] ` <05281713-80b3-4199-8e76-672e84fcc33e@kernel.dk>
     [not found]   ` <CAHj4cs8+Xgz1qgf3H0sDMFhVAmzb9EsVmuJoRLBOgP7bQymodw@mail.gmail.com>
     [not found]     ` <CAHj4cs_4-5g5oW-Wx7KwceALy8F-Ku4cxQGMZ88ARpvZN4HRjg@mail.gmail.com>
     [not found]       ` <CAHj4cs9AUA94ntY0uhDDAmoWTMA3kxpSCArKG9MHcgkVASJfAg@mail.gmail.com>
     [not found]         ` <e281da57-caa0-4e36-8ff2-80175bc43090@suse.de>
2025-11-21 10:32           ` Yi Zhang
2026-02-12 12:53             ` David Hildenbrand (Arm) [this message]

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