Re: 8.99.41 panic in nvme_poll

[Thomas Klausner <wiz%NetBSD.org@localhost>]

And OpenBSD 6.5 boots as well, providing a nvme0 device.
The ioapic lines end with "can't remap".
 Thomas

On Sun, May 26, 2019 at 10:19:26PM +0200, Thomas Klausner wrote:
> I test-booted FreeBSD 12.
> It finishes booting and provides a nvd0 device for the disk.
> The ioapic "can't rename" errors are not there either.
>  Thomas
> 
> On Sat, May 25, 2019 at 11:47:38PM +0200, Thomas Klausner wrote:
> > Hi!
> > 
> > Booting the amd64 USB install image from
> > https://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/201905242230Z/images/
> > on a new Threadripper system with a Samsung SSD 1TB 970 Evo plus, I
> > see (handcopied):
> > 
> > panic: prevented jump to null instruction pointer (SMEP)
> > cpu0: Begin traceback...
> > vpanic() at netbsd:vpanic+0x160
> > snprintf() at netbsd:snprintf
> > trap() at netbsd:trap+0x2ab
> > --- trap (number 6) ---
> > ?() at 0
> > nvme_poll() at netbsd:nvme_poll+0x104
> > nvme_attach() at netbsd:nvme_atached+0x927
> > nvme_pci_attach() at netbsd_nvme_pci_attach+0x309
> > config_attach_loc()...
> > config_found_sm_loc()...
> > pci_probe_device()...
> > pci_enumerate_bus()...
> > pcirescan()...
> > pciattach()...
> > config_attach_loc()...
> > config_found_sm_loc()...
> > mp_pci_scan()...
> > amd64_mainbus_attach()...
> > mainbus_attach()...
> > config_attach_loc()...
> > cpu_configure()...
> > main()...
> > cpu0: End traceback
> > 
> > 
> > The nvme0 entry looks like this:
> > nvme0 at pci0 dev 0 function 0: vendor 144d product a808 (rev. 0x00) (not sure if it's 808 or 000 or something inbetween, bad screenshot)
> > nvme0: NVMe 1.3
> > nvme0: for admin queue interrupting at msix3 vec 0
> > nvme0: for io queue ... interrupting at msix3 vec ... affinity to cpu ... (where ... goes from 0 to 31)
> > 
> > 
> > Is that a bug in our nvme driver?
> > 
> > 
> > 
> > Earlier there are a couple:
> > ioapic0 at mainbus0 apid 128
> > ioapic0: can't remap to apid 128
> > 
> > (Same for 129, 130). Not sure what those are about. What does ioapic
> > do and is this error a problem?
> > 
> > Thanks,
> >  Thomas
> > 
>