From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Fri, 3 May 2019 14:20:35 +0200 Subject: [PATCH 0/4] nvme-pci: support device coredump In-Reply-To: <20190503121232.GB30013@localhost.localdomain> References: <1556787561-5113-1-git-send-email-akinobu.mita@gmail.com> <20190502125722.GA28470@localhost.localdomain> <20190503121232.GB30013@localhost.localdomain> Message-ID: <20190503122035.GA21501@lst.de> On Fri, May 03, 2019@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.