Re: current boot failure on NVME with and after 8e9fe9996a1f
Michael Butler <[email protected]>
| Newsgroups | gmane.os.freebsd.current |
|---|---|
| Message-ID | <[email protected]> |
On 8/14/26 01:24, Kevin Bowling wrote: > On Thu, Aug 13, 2026 at 12:51 PM Michael Butler > <[email protected]> wrote: >> On a Dell Latitude 5540 with two NVME disks, the last working commit >> from bisection is a9752e9ac8a6. >> >> Anything beyond this fails on start up with .. >> >> d5540 kernel: nvme1: Resetting controller due to a timeout. >> d5540 kernel: nvme1: event="start" >> d5540 kernel: nvme1: event="success" >> d5540 kernel: nvme1: aborting outstanding i/o >> d5540 kernel: nvme1: done aborting outstanding i/o >> >> It seems that the PCI changes don't work for disks attached in this >> manner .. > Hi Michael, > > I think the regression is 8e9fe9996a1f instead, specific to Intel VMD > attached devices, which synthesize a virtual pcie endpoint. > > Can you try this on the failing kernel from the bootloader? > set hw.pci.enable_mps_tune=0 > boot > > And then try this patch (without setting the bootloader option): > https://reviews.freebsd.org/D58837 This patch restores normal behavour; thanks! Michael