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[204.9.51.82]) by smtp.gmail.com with ESMTPSA id a4sm3144841ita.41.2019.02.28.10.30.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Feb 2019 10:30:47 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: bhyve PCIe passthrough on AMD Epyc From: Kevin Day In-Reply-To: Date: Thu, 28 Feb 2019 12:30:46 -0600 Cc: "Rodney W. Grimes" , "freebsd-virtualization@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: References: <201902280534.x1S5YMQS054621@pdx.rh.CN85.dnsmgr.net> <98792A76-1723-458D-A7B4-BB3F74D9F26C@dragondata.com> To: Anish X-Mailer: Apple Mail (2.3445.102.3) X-Rspamd-Queue-Id: 1288A808E8 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=dragondata.com header.s=google header.b=m5dIx3Fr X-Spamd-Result: default: False [-5.55 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[dragondata.com:+]; MX_GOOD(-0.01)[cached: ASPMX3.GOOGLEMAIL.com]; NEURAL_HAM_SHORT(-0.99)[-0.987,0]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[dragondata.com:s=google]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; DMARC_NA(0.00)[dragondata.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[c.2.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; IP_SCORE(-2.76)[ip: (-8.98), ipnet: 2607:f8b0::/32(-2.71), asn: 15169(-2.03), country: US(-0.07)] X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 18:30:50 -0000 > On Feb 28, 2019, at 12:28 PM, Anish wrote: >=20 > Hi Kevin, > >I'm just pointing out that it's an AMD Epyc because I know the AMD = IOMMU/AMD-Vi code was added somewhat more recently than Intel's and is = maybe less tested. > I tested on Ryzen-I, not sure if anyone tried it on newer Ryzen/Epyc = systems. >=20 > >CPU0: local APIC error 0x40 > This is concerning, as per AMD docs, bit6 is for illegal vector which = indicate CPU is getting invalid interrupts. >=20 > Can you share hw.vmm sysctl output? >=20 > -Anish Sure: hw.vmm.amdvi.domain_id: 4 hw.vmm.amdvi.disable_io_fault: 0 hw.vmm.amdvi.ptp_level: 4 hw.vmm.amdvi.host_ptp: 1 hw.vmm.amdvi.enable: 1 hw.vmm.amdvi.count: 8 hw.vmm.npt.pmap_flags: 507 hw.vmm.svm.num_asids: 32768 hw.vmm.svm.disable_npf_assist: 0 hw.vmm.svm.features: 113919 hw.vmm.svm.vmcb_clean: 1023 hw.vmm.vmx.l1d_flush_sw: 0 hw.vmm.vmx.l1d_flush: 0 hw.vmm.vmx.vpid_alloc_failed: 0 hw.vmm.vmx.posted_interrupt_vector: -1 hw.vmm.vmx.cap.posted_interrupts: 0 hw.vmm.vmx.cap.virtual_interrupt_delivery: 0 hw.vmm.vmx.cap.invpcid: 0 hw.vmm.vmx.cap.monitor_trap: 0 hw.vmm.vmx.cap.unrestricted_guest: 0 hw.vmm.vmx.cap.pause_exit: 0 hw.vmm.vmx.cap.halt_exit: 0 hw.vmm.vmx.initialized: 0 hw.vmm.vmx.cr4_zeros_mask: 0 hw.vmm.vmx.cr4_ones_mask: 0 hw.vmm.vmx.cr0_zeros_mask: 0 hw.vmm.vmx.cr0_ones_mask: 0 hw.vmm.vmx.no_flush_rsb: 0 hw.vmm.ept.pmap_flags: 0 hw.vmm.vrtc.flag_broken_time: 1 hw.vmm.ppt.devices: 1 hw.vmm.iommu.enable: 1 hw.vmm.iommu.initialized: 1 hw.vmm.bhyve_xcpuids: 312 hw.vmm.topology.cpuid_leaf_b: 1 hw.vmm.create: beavis hw.vmm.destroy: beavis hw.vmm.trace_guest_exceptions: 0 hw.vmm.ipinum: 251 hw.vmm.halt_detection: 1