From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Fri, 29 Dec 2017 10:30:22 +0100 Subject: [PATCH v2] nvme-pci: allocate device queues storage space at probe In-Reply-To: References: <20171225120526.29303-1-sagi@grimberg.me> <20171227062048.GA27546@ming.t460p> Message-ID: <20171229093022.GA23313@lst.de> On Wed, Dec 27, 2017@10:59:44AM +0200, Sagi Grimberg wrote: > >> Hi Sagi, >> >> This patch introduces a new kernel oops: > > Hi Ming, thanks for testing. > > It looks like pci resets are not serialized which is in general not > healthy and forcing the driver to handle tough races. I think that not > serializing it is buggy to begin with. > > I think [1] should solve the issue you are seeing (and I think correct > on its own regardless). > > Keith, Christoph, any objections? This looks sensible to me.