[PATCH V5 0/9] nvme: pci: fix & improve timeout handling

[Keith Busch]

On Wed, May 16, 2018 at 12:31:28PM +0800, Ming Lei wrote:
> Hi Keith,
> 
> This issue may probably be fixed by Jianchao's patch of 'nvme: pci: set nvmeq->cq_vector
> after alloc cq/sq'[1] and my another patch of 'nvme: pci: unquiesce admin
> queue after controller is shutdown'[2], and both two have been included in the
> posted V6.

No, it's definitely not related to that patch. The link is down in this
test, I can assure you we're bailing out long before we ever even try to
create an IO queue. The failing condition is detected by nvme_pci_enable's
check for all 1's completions at the very beginning.