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From: Dan Williams <dan.j.williams@intel.com>
To: Pasha Tatashin <pasha.tatashin@soleen.com>,
	Alison Schofield <alison.schofield@intel.com>
Cc: Sourav Panda <souravpanda@google.com>, <corbet@lwn.net>,
	<gregkh@linuxfoundation.org>, <rafael@kernel.org>,
	<akpm@linux-foundation.org>, <mike.kravetz@oracle.com>,
	<muchun.song@linux.dev>, <rppt@kernel.org>, <david@redhat.com>,
	<rdunlap@infradead.org>, <chenlinxuan@uniontech.com>,
	<yang.yang29@zte.com.cn>, <tomas.mudrunka@gmail.com>,
	<bhelgaas@google.com>, <ivan@cloudflare.com>,
	<yosryahmed@google.com>, <hannes@cmpxchg.org>,
	<shakeelb@google.com>, <kirill.shutemov@linux.intel.com>,
	<wangkefeng.wang@huawei.com>, <adobriyan@gmail.com>,
	<vbabka@suse.cz>, <Liam.Howlett@oracle.com>, <surenb@google.com>,
	<linux-kernel@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
	<linux-doc@vger.kernel.org>, <linux-mm@kvack.org>,
	<willy@infradead.org>, <weixugc@google.com>,
	David Rientjes <rientjes@google.com>, <nvdimm@lists.linux.dev>,
	<linux-cxl@vger.kernel.org>, <yi.zhang@redhat.com>
Subject: Re: [PATCH v13] mm: report per-page metadata information
Date: Mon, 5 Aug 2024 16:06:06 -0700	[thread overview]
Message-ID: <66b15addf1a80_c144829473@dwillia2-xfh.jf.intel.com.notmuch> (raw)
In-Reply-To: <CA+CK2bAfgamzFos1M-6AtozEDwRPJzARJOmccfZ=uzKyJ7w=kQ@mail.gmail.com>

Pasha Tatashin wrote:
[..]
> Thank you for the heads up. Can you please attach a full config file,
> also was anyone able to reproduce this problem in qemu with emulated
> nvdimm?

Yes, I can reproduce the crash just by trying to reconfigure the mode of
a pmem namespace:

# ndctl create-namespace -m raw -f -e namespace0.0

...where namespace0.0 results from:

    memmap=4G!4G

...passed on the kernel command line.

Kernel config here:

https://gist.github.com/djbw/143705077103d43a735c179395d4f69a


  reply	other threads:[~2024-08-05 23:06 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-05 22:27 Sourav Panda
2024-06-11 22:30 ` Andrew Morton
2024-06-12 17:53   ` Pasha Tatashin
2024-08-02 19:02 ` Alison Schofield
2024-08-05 18:40   ` Pasha Tatashin
2024-08-05 23:06     ` Dan Williams [this message]
2024-08-05 23:18     ` Alison Schofield

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