ISCI bus_alloc_resource failed

[Scott Long]

This is really weird.  According to what you’ve posted, it’s advertising itself as an SMBus controller with no BARs.  Maybe you’re passing through the wrong device, or someone added the wrong PCI device id data to the driver?

Scott

> On Sep 7, 2015, at 11:34 AM, Bradley W. Dutton <brad-fbsd-stable at duttonbros.com> wrote:
> 
> Hi,
> 
> I'm having trouble with the isci driver in both stable and current. I see the following dmesg in stable:
> 
> isci0: <Intel(R) C600 Series Chipset SAS Controller (SATA mode)> port 0x5000-0x50ff mem 0xe7afc000-0xe7afffff,0xe7400000-0xe77fffff irq 19 at device 0.0 on pci11
> isci: 1:000051 ISCI bus_alloc_resource failed
> 
> 
> I'm running FreeBSD on VMWare ESXi 6 with vt-d passthrough of the isci devices, here is the relevant pciconf output:
> 
> none2 at pci0:3:0:0:	class=0x0c0500 card=0x062815d9 chip=0x1d708086 rev=0x06 hdr=0x00
>    vendor     = 'Intel Corporation'
>    device     = 'C600/X79 series chipset SMBus Controller 0'
>    class      = serial bus
>    subclass   = SMBus
>    cap 10[90] = PCI-Express 2 endpoint max data 128(128) link x32(x32)
>                 speed 5.0(5.0) ASPM disabled(L0s)
>    cap 01[cc] = powerspec 3  supports D0 D3  current D0
>    cap 05[d4] = MSI supports 1 message
>    ecap 000e[100] = ARI 1
> isci0 at pci0:11:0:0:	class=0x010700 card=0x062815d9 chip=0x1d6b8086 rev=0x06 hdr=0x00
>    vendor     = 'Intel Corporation'
>    device     = 'C602 chipset 4-Port SATA Storage Control Unit'
>    class      = mass storage
>    subclass   = SAS
>    cap 01[98] = powerspec 3  supports D0 D3  current D0
>    cap 10[c4] = PCI-Express 2 endpoint max data 128(128) link x32(x32)
>                 speed 5.0(5.0) ASPM disabled(L0s)
>    cap 11[a0] = MSI-X supports 2 messages
>                 Table in map 0x10[0x2000], PBA in map 0x10[0x3000]
>    ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
>    ecap 000e[138] = ARI 1
>    ecap 0017[180] = TPH Requester 1
>    ecap 0010[140] = SRIOV 1
> 
> 
> I haven't tried booting on bare metal but running a linux distro (centos 7) in the same VM works without issue. Is is possible the SRIOV option is causing trouble? I don't see a BIOS option to disable that setting on this server like I have on some others. Any other ideas to get this working?
> 
> Thanks,
> Brad
> 
> _______________________________________________
> freebsd-stable at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe at freebsd.org"