Date: Fri, 17 Apr 2020 13:18:20 -0600 From: Scott Long <scottl@samsco.org> To: Miroslav Lachman <000.fbsd@quip.cz> Cc: Warner Losh <imp@bsdimp.com>, FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: PCIe NVME drives not detected on Dell R6515 Message-ID: <07B6763F-C23B-4B7C-B76A-26267AC35453@samsco.org> In-Reply-To: <573f5fab-1ef6-151f-18ca-58d3a4a89c72@quip.cz> References: <bc00d2f4-d281-e125-3333-65f38da20817@quip.cz> <0F8BCB8C-DE60-4A34-A4D8-F1BB4B9F906A@samsco.org> <CANCZdfprct8pELBaev=Ub3sXb_JRx9xovUhzxDpSwY2rXfMtrg@mail.gmail.com> <9EF043C1-FF8F-4997-B59A-EC3BF7D1CEEE@samsco.org> <31E8B2BE-BED2-4084-868D-32C48CB3CD6E@samsco.org> <573f5fab-1ef6-151f-18ca-58d3a4a89c72@quip.cz>
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> On Apr 17, 2020, at 11:46 AM, Miroslav Lachman <000.fbsd@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 Thanks, Scotthelp
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