Re: blktests block/019 lead system hang

2018-06-13 Thread Austin.Bolen
On 6/13/2018 10:41 AM, Keith Busch wrote: > Thanks for the feedback! > > This test does indeed toggle the Link Control Link Disable bit to simulate > the link failure. The PCIe specification specifically covers this case > in Section 3.2.1, Data Link Control and Management State Machine Rules: > >

Re: blktests block/019 lead system hang

2018-06-13 Thread Austin.Bolen
On 6/13/2018 10:41 AM, Keith Busch wrote: > Thanks for the feedback! > This test does indeed toggle the Link Control Link Disable bit to simulate > the link failure. The PCIe specification specifically covers this case > in Section 3.2.1, Data Link Control and Management State Machine Rules: > >

Re: blktests block/019 lead system hang

2018-06-12 Thread Austin.Bolen
On 6/5/2018 11:16 AM, Keith Busch wrote: > On Wed, May 30, 2018 at 03:26:54AM -0400, Yi Zhang wrote: >> Hi Keith >> I found blktest block/019 also can lead my NVMe server hang with 4.17.0-rc7, >> let me know if you need more info, thanks. >> >> Server: Dell R730xd >> NVMe SSD: 85:00.0 Non-Volatil