Re: [PATCH 0/4] nvme-pci: support device coredump

From: Christoph Hellwig
Date: Fri May 03 2019 - 08:21:23 EST


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.