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From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Artur Piechocki <artur.piechocki@open-e.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: [bug report] NVMe hotplug bug in kernel 5.15 with CONFIG_INTEL_IOMMU disabled
Date: Tue, 9 Jul 2024 06:46:22 +0000	[thread overview]
Message-ID: <2c71f9e8-6342-443d-b753-d26fb969ffc7@nvidia.com> (raw)
In-Reply-To: <2ea8ff1a-dcd6-4829-a096-63fa30d92b04@open-e.com>

On 7/8/24 01:26, Artur Piechocki wrote:
> Hi,
>
> I am experiencing a repeatable (potential deadlock) issue when
> hotplugging NVMe devices on kernel 5.15. The problem occurs on a Ubuntu
> 22.04.4 server environment when Intel IOMMU support is disabled in the
> kernel configuration (CONFIG_INTEL_IOMMU is not set). This issue is also
> reproducible on the native kernel 5.15.161 without any Ubuntu patches.
>
> System Information:
>
>     Distribution: Ubuntu 22.04.4 server
>     Kernel Version: Ubuntu 5.15.152 (also repeated on native 5.15.161)
>     Hardware: NVME Micron SSDPE2KX020T8, Intel(R) Xeon(R) Gold 5222 

do you see same issue on latest branch in NVMe repo ?

-ck


  reply	other threads:[~2024-07-09  6:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-08  8:26 [bug report] NVMe hotplug bug in kernel 5.15 with CONFIG_INTEL_IOMMU disabled Artur Piechocki
2024-07-09  6:46 ` Chaitanya Kulkarni [this message]
2024-10-12 17:03 ` dongli.zhang
2024-10-14  6:55   ` Artur Piechocki
     [not found]   ` <b5601674-5a26-448f-bb56-a1704e927d2c@open-e.com>
2024-10-14 16:34     ` dongli.zhang

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