From: Christoph Hellwig <hch@lst.de>
To: Jaroslav Pulchart <jaroslav.pulchart@gooddata.com>
Cc: linux-nvme@lists.infradead.org, niklas.cassel@wdc.com,
Filippo Sironi <sironi@amazon.de>
Subject: Re: "nvme nvmeX: IO queues not created" with "Amazon.com, Inc. NVMe SSD Controller" from 5.19.y (issue bisected)
Date: Wed, 7 Sep 2022 08:29:19 +0200 [thread overview]
Message-ID: <20220907062919.GA21266@lst.de> (raw)
In-Reply-To: <CAK8fFZ5vajOJGSwA53tU=Y2-jf0rnJWOjkadgqRCTf38bF0YXw@mail.gmail.com>
Filippo,
can you help figuring out what is going on with this Amazon controller?
On Wed, Sep 07, 2022 at 08:05:05AM +0200, Jaroslav Pulchart wrote:
> Hello,
>
> I would like to report a regression issue in 5.19.y in NVMe driver.
>
> The issue is reproducible at AWS EC2 instances with local NVMe storage
> like "r5d.*". Kernel report "IO queues not created":
> [ 2.936641] nvme nvme0: 2/0/0 default/read/poll queues <- EBS volume
> [ 2.939493] nvme nvme1: 2/0/0 default/read/poll queues <- EBS volume
> [ 2.940797] nvme nvme2: IO queues not created <- Local volume
> with 5.19.y (kernel 5.19) and the nvme storage cannot be used.
>
> I bisected the issue to commit
> "aa41d2fe60ee2e4452b0f9ca9f0f6d80a4ff9f9d" (nvme: set controller
> enable bit in a separate write). Reverting it makes the nvme device
> working again:
> [ 3.025599] nvme nvme0: 2/0/0 default/read/poll queues
> [ 3.032467] nvme nvme2: 8/0/0 default/read/poll queues
> [ 3.040040] nvme nvme1: 2/0/0 default/read/poll queues
>
> Best,
> --
> Jaroslav Pulchart
> Sr. Principal SW Engineer
> GoodData
---end quoted text---
next prev parent reply other threads:[~2022-09-07 6:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-07 6:05 "nvme nvmeX: IO queues not created" with "Amazon.com, Inc. NVMe SSD Controller" from 5.19.y (issue bisected) Jaroslav Pulchart
2022-09-07 6:29 ` Christoph Hellwig [this message]
2022-09-07 9:13 ` Sironi, Filippo
2022-09-07 9:58 ` Sironi, Filippo
2022-09-20 9:41 ` Thorsten Leemhuis
2022-09-20 19:42 ` Keith Busch
2022-09-21 8:59 ` Sironi, Filippo
2022-09-20 19:53 ` Dutta, Soumyaroop
2022-09-08 10:41 ` "nvme nvmeX: IO queues not created" with "Amazon.com, Inc. NVMe SSD Controller" from 5.19.y (issue bisected) #forregzbot Thorsten Leemhuis
2022-09-21 10:03 ` Thorsten Leemhuis
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