Scott Long wrote on 04/17/2020 21:18:


On Apr 17, 2020, at 11:46 AM, Miroslav Lachman <000.f...@quip.cz> wrote:

Scott Long wrote on 04/17/2020 18:17:
You are correct about Intel vs AMD.  Comparing the full output of pciconf from 
FreeBSD with the fragment of lspci from Linux suggests that there’s at least 
one set of a PCIe switch and child devices that is not being enumerated by 
FreeBSD.  Can you send the full output of `lspci -tvv` from linux?

Sorry for my late reply. Booting the Linux SystemRescueCd is too slow.

lspci -tvv output is attached

I tried to connect to SOL by SSH but it shows black screen only.

lspci shows drives:

Intel Corporation NVMe Datacenter SSD [3DNAND, Beta Rock Controller]

Kind regards
Miroslav Lachman


It looks like pcib12 and pcib13 in FreeBSD should be the bridges that have the 
NVMe devices behind them, but those devices aren’t showing up.  I don’t see any 
obvious code in linux to handle those bridges, so there must be something 
subtle that we’re missing in FreeBSD.  Maybe we’re having trouble enumerating 
above PCI bus 128?  I think that was a problem a few years ago but I also 
thought it was fixed.  Can you do the following in FreeBSD:

pciconf -lBc pcib12
pciconf -lBc pcib13

Printscreen attached.

Anything else I can provide?

Thank you
Miroslav Lachman
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