Re: [PATCH V10 2/3] PCI: handle CRS returned by device after FLR

2017-08-23 Thread Bjorn Helgaas
On Tue, Aug 22, 2017 at 11:21:24PM -0400, Sinan Kaya wrote: > On 8/21/2017 2:00 PM, Bjorn Helgaas wrote: > > On Mon, Aug 21, 2017 at 09:44:09AM -0400, Sinan Kaya wrote: > >> Hi Bjorn, > >> > >> On 8/18/2017 5:01 PM, Bjorn Helgaas wrote: > > > > > It would still be interesting to see the lspci out

Re: [PATCH V10 2/3] PCI: handle CRS returned by device after FLR

2017-08-22 Thread Sinan Kaya
On 8/21/2017 2:00 PM, Bjorn Helgaas wrote: > On Mon, Aug 21, 2017 at 09:44:09AM -0400, Sinan Kaya wrote: >> Hi Bjorn, >> >> On 8/18/2017 5:01 PM, Bjorn Helgaas wrote: > > It would still be interesting to see the lspci output. Likely in the upstream bridge will be set even before the FLR because

Re: [PATCH V10 2/3] PCI: handle CRS returned by device after FLR

2017-08-21 Thread Bjorn Helgaas
On Mon, Aug 21, 2017 at 09:44:09AM -0400, Sinan Kaya wrote: > Hi Bjorn, > > On 8/18/2017 5:01 PM, Bjorn Helgaas wrote: > > On Fri, Aug 11, 2017 at 12:56:35PM -0400, Sinan Kaya wrote: > >> Sporadic reset issues have been observed with Intel 750 NVMe drive while > >> assigning the physical function

Re: [PATCH V10 2/3] PCI: handle CRS returned by device after FLR

2017-08-21 Thread Sinan Kaya
Hi Bjorn, On 8/18/2017 5:01 PM, Bjorn Helgaas wrote: > On Fri, Aug 11, 2017 at 12:56:35PM -0400, Sinan Kaya wrote: >> Sporadic reset issues have been observed with Intel 750 NVMe drive while >> assigning the physical function to the guest machine. The sequence of >> events observed is as follows:

Re: [PATCH V10 2/3] PCI: handle CRS returned by device after FLR

2017-08-18 Thread Bjorn Helgaas
On Fri, Aug 11, 2017 at 12:56:35PM -0400, Sinan Kaya wrote: > Sporadic reset issues have been observed with Intel 750 NVMe drive while > assigning the physical function to the guest machine. The sequence of > events observed is as follows: > > - perform a Function Level Reset (FLR) > - sleep up to