From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
Keith Busch <keith.busch@intel.com>,
linux-nvme@lists.infradead.org,
LKML <linux-kernel@vger.kernel.org>,
Johannes Berg <johannes@sipsolutions.net>,
Jens Axboe <axboe@fb.com>, Christoph Hellwig <hch@lst.de>,
Sagi Grimberg <sagi@grimberg.me>
Subject: Re: [PATCH 0/4] nvme-pci: support device coredump
Date: Fri, 3 May 2019 14:20:35 +0200 [thread overview]
Message-ID: <20190503122035.GA21501@lst.de> (raw)
In-Reply-To: <20190503121232.GB30013@localhost.localdomain>
On Fri, May 03, 2019 at 06:12:32AM -0600, Keith Busch wrote:
> Could you actually explain how the rest is useful? I personally have
> never encountered an issue where knowing these values would have helped:
> every device timeout always needed device specific internal firmware
> logs in my experience.
Yes. Also not that NVMe now has the 'device initiated telemetry'
feauture, which is just a wired name for device coredump. Wiring that
up so that we can easily provide that data to the device vendor would
actually be pretty useful.
next prev parent reply other threads:[~2019-05-03 12:20 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-02 8:59 [PATCH 0/4] nvme-pci: support device coredump Akinobu Mita
2019-05-02 8:59 ` [PATCH 1/4] devcoredump: use memory_read_from_buffer Akinobu Mita
2019-05-02 12:42 ` Johannes Berg
2019-05-02 8:59 ` [PATCH 2/4] devcoredump: allow to create several coredump files in one device Akinobu Mita
2019-05-02 12:47 ` Johannes Berg
2019-05-03 3:41 ` Akinobu Mita
2019-05-02 8:59 ` [PATCH 3/4] nvme-pci: add device coredump support Akinobu Mita
2019-05-04 10:04 ` Minwoo Im
2019-05-04 14:26 ` Akinobu Mita
2019-05-04 14:38 ` Minwoo Im
2019-05-04 14:46 ` Minwoo Im
2019-05-02 8:59 ` [PATCH 4/4] nvme-pci: trigger device coredump before resetting controller Akinobu Mita
2019-05-02 12:57 ` [PATCH 0/4] nvme-pci: support device coredump Keith Busch
2019-05-03 3:38 ` Akinobu Mita
2019-05-03 12:12 ` Keith Busch
2019-05-03 12:20 ` Christoph Hellwig [this message]
2019-05-04 4:20 ` Akinobu Mita
2019-05-04 9:40 ` Minwoo Im
2019-05-04 14:36 ` Akinobu Mita
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