[bug report] nvme removing after probe failed with pci rescan after nvme sysfs removal

[Yi Zhang]

On Wed, Sep 22, 2021 at 10:32 AM Chaitanya Kulkarni
<chaitanyak at nvidia.com> wrote:
>
> On 9/21/21 6:56 PM, Yi Zhang wrote:
> > Hello
> >
> > I found this issue during the nvme removal test, I did some debug code
> > found it was failed during nvme "CSTS – Controller Status" read, could
> > anyone help check if this is one HW or SW issue?
> >
> >
>
> One easiest way to isolate this issue is to test the steps on the QEMU
> NVMe ctrl and update everyone here...

Hi Chaitanya
I tried another NVMe SSD[1], and it works well, seems this is special
for "Samsung SSD 983 DCT 960GB".
And the kernel I used was upstream 5.15.0-rc2.

[1]
# nvme list
Node             SN                   Model
        Namespace Usage                      Format           FW Rev
---------------- --------------------
---------------------------------------- ---------
-------------------------- ---------------- --------
/dev/nvme2n1     3080A09HTAFR         Dell Express Flash CD5 960G SFF
        1         469.18  MB / 960.20  GB    512   B +  0 B   1.2.0

-- 
Best Regards,
  Yi Zhang