From owner-freebsd-questions@freebsd.org Thu Jul 30 11:41:29 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DCF3E3A256A for ; Thu, 30 Jul 2020 11:41:29 +0000 (UTC) (envelope-from pr0f3ss0r1492@yahoo.com) Received: from sonic311-23.consmr.mail.ne1.yahoo.com (sonic311-23.consmr.mail.ne1.yahoo.com [66.163.188.204]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4BHT5N6G1qz4Dsp for ; Thu, 30 Jul 2020 11:41:28 +0000 (UTC) (envelope-from pr0f3ss0r1492@yahoo.com) X-YMail-OSG: rjwxE5MVM1kdlS0_nISYnXO.lSBTlDoSqrmXw7WKEIFuvIgcMD_Q52urTv5Rzhn 1RIUYUQ2y1sk8qFntySTlzsV1hkxgQfaGuOgVXDZF4cg9Ns8BFLewqvIGOsCSP7lMnI22NUAipYh 2ejksZnGcs4DYngODn_rRVUgPQxDrZRkq86rdA2A6h8p69BkYecW4NTb.N_jZeKBUm7NMXMBzdh8 c_pbEPQvu8qt_V1Za0OGfC84OOGO8YedOnhqc9eCSh7C5eHACMGwVLvjE9oKv2yi14cp5nG0_MzQ kWWSZOMV2w9dxRww9SUZcLn4x92377h4hHu38abiLsBEXZcyGW8SRAKa38ZeP0UBssgt_C8i9ezU FLR7IroimFwlQGm9zkT1ifcliSr9rRLKiGCz2NyySWooa3PoADrgb8SYHg1vrbSjWgqcAm_uHNvo bdPqea_hJeB50TWWI1DMyeKK7BjGbtPh3WgCu7EjuJOgC1z9gV9yjm0QuKTekuFKWBcPNJymQUJd 4lTJYstouRK.aJcRQdziOzB4pyWVE7xmqIxQLknidKLzpuPiIRi7C6uEF1t2urguwhzCxwGRpToA lPcTV0SuHy2IjSK1dMCFDT0dUjQ_imcMCDDOm3W0P7zpJZ0cg9uQgvBMYSkkWimWlPXBvgh4eacr NGO_PoX63qKHsY6CLYFZ5IHxr_sisPLjE8uhXx64RZJkuf8Vx5Ka72yrPXkKEYyM7bh6Uj77DiZm wCXSP6Eb_PiHh62euai1U7aupX6BMGx8tIqckurzHmZ2YSUEIJFTIHoqAyEawX7_ZslIBSev8uaQ yWiwAzVXmgvKq6LUkoKBp4HLRm2GgjdILimXHAi7TXLy4yI7CzyXkKOAcU2X.IaSc_p2bDftOi7D YrBz0Vbqx4iN2EjyjHRvOpu4hRT8SNbYZYziCOtmTOGZg2UCq94RhTPLqFu1Vllnf6eAI_p91l69 yDQxOhBOYxT5r6WhbRoQ44ySupgkM8u2GVQBIBD1OHSjZjm0PmVVLYRgDHEdBA54vMCPkcGvGDIQ NvkVTkHQ8tOurneQhPIFAowjcFpEKzM_QmrMY0XFVZUMx4d4tNcBD_MFWT6WROQuLBUF1vpxcbKd ZP_7FVQFKgg4ppgsx3DoPoXEnBVCNMV7ddJKPZFWtwMNAmy5bO_Y0KmvwJJwNNXInmhdrzyAyymZ WfeWVGd6wEojp5jueA2tm48asduqrZcAoj1h627mUX6w1AtjPpuRtV3ecjhDX0LYMhQgi5nFHl.U CL.TAZwmglp0als3iY_wrTLwlDXjHlaLe4FRTmld8oPvmVNK44sWqAWkTW_pmivGmDZxvaC_gFE8 G7lJIx49G0Kke9IAHxRqjRsSmM4cKnsQVOU0ZmKbqqrQq1bdxtUc- Received: from sonic.gate.mail.ne1.yahoo.com by sonic311.consmr.mail.ne1.yahoo.com with HTTP; Thu, 30 Jul 2020 11:41:27 +0000 Received: by smtp410.mail.gq1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 99a065de87d1dac9e0bca93ae55ee882; Thu, 30 Jul 2020 11:41:25 +0000 (UTC) Received: by mail-pl1-f175.google.com with SMTP id m16so13842207pls.5 for ; Thu, 30 Jul 2020 04:41:25 -0700 (PDT) X-Gm-Message-State: AOAM531ObYvL/IqPEDg499W1RVOHKC4dXwu5MGM52O2xd3/3WFBnpkVH 1qPm4jTWSYSAeiN2QBSPUYSWhmMK72/JR0MgGMw= X-Google-Smtp-Source: ABdhPJy2XN/mmNlLnQtanbBlGfCdxXLoxdlaeljhLarMTBDIHGwKbSHHX+yZQntSWnDDnf+8R3oq71bTOQUsvlVEsaE= X-Received: by 2002:a63:6582:: with SMTP id z124mr2600682pgb.70.1596109284595; Thu, 30 Jul 2020 04:41:24 -0700 (PDT) MIME-Version: 1.0 From: Ottavio Caruso Date: Thu, 30 Jul 2020 12:41:08 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: VGA false positive in dmesg? To: freebsd-questions Content-Type: text/plain; charset="UTF-8" References: X-Mailer: WebService/1.1.16271 hermes_yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.7) X-Rspamd-Queue-Id: 4BHT5N6G1qz4Dsp X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.01 / 15.00]; FREEMAIL_FROM(0.00)[yahoo.com]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; NEURAL_HAM_SHORT(-0.28)[-0.285]; FORGED_SENDER(0.30)[ottavio2006-usenet2012@yahoo.com,pr0f3ss0r1492@yahoo.com]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; SUBJECT_ENDS_QUESTION(1.00)[]; FROM_NEQ_ENVFROM(0.00)[ottavio2006-usenet2012@yahoo.com,pr0f3ss0r1492@yahoo.com]; ASN(0.00)[asn:36646, ipnet:66.163.184.0/21, country:US]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; NEURAL_HAM_MEDIUM(-0.98)[-0.985]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.04)[-1.038]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[66.163.188.204:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[66.163.188.204:from] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Jul 2020 11:41:29 -0000 Hi, I've launched a FreeBSD 12.1 instance in qemu (pay attention to "-vga none"). Host is Linux: qemu-system-x86_64 \ -drive if=virtio,file=/home/oc/VM/img/freebsd.image,index=0,media=disk \ -M q35,accel=kvm -m 250M -cpu host -smp $(nproc) \ -nic user,hostfwd=tcp:127.0.0.1:5554-:22,model=virtio-net-pci \ -daemonize -display none -vga none \ -serial mon:telnet:127.0.0.1:6664,server,nowait \ In the guest: oc@FreeBSD:~ % pciconf -vl hostb0@pci0:0:0:0: class=0x060000 card=0x11001af4 chip=0x29c08086 rev=0x00 hdr=0x00 vendor = 'Intel Corporation' device = '82G33/G31/P35/P31 Express DRAM Controller' class = bridge subclass = HOST-PCI virtio_pci0@pci0:0:1:0: class=0x020000 card=0x00011af4 chip=0x10001af4 rev=0x00 hdr=0x00 vendor = 'Red Hat, Inc.' device = 'Virtio network device' class = network subclass = ethernet virtio_pci1@pci0:0:2:0: class=0x010000 card=0x00021af4 chip=0x10011af4 rev=0x00 hdr=0x00 vendor = 'Red Hat, Inc.' device = 'Virtio block device' class = mass storage subclass = SCSI virtio_pci2@pci0:0:3:0: class=0x010000 card=0x00021af4 chip=0x10011af4 rev=0x00 hdr=0x00 vendor = 'Red Hat, Inc.' device = 'Virtio block device' class = mass storage subclass = SCSI isab0@pci0:0:31:0: class=0x060100 card=0x11001af4 chip=0x29188086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '82801IB (ICH9) LPC Interface Controller' class = bridge subclass = PCI-ISA ahci0@pci0:0:31:2: class=0x010601 card=0x11001af4 chip=0x29228086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode]' class = mass storage subclass = SATA none0@pci0:0:31:3: class=0x0c0500 card=0x11001af4 chip=0x29308086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '82801I (ICH9 Family) SMBus Controller' class = serial bus subclass = SMBus However, in dmesg: oc@FreeBSD:~ % dmesg | grep -i vga VT(vga): text 80x25 vtvga0: on motherboard vga0: at port 0x3b0-0x3bb iomem 0xb0000-0xb7fff pnpid PNP0900 on isa0 I don't know how to interpret this output. I don't think it's a qemu issue, because I've done the same with NetBSD and OpenBSD guests and there's no trace of vga in their dmesg. Does FreeBSD use the VGA driver also for the serial console? Thanks -- Ottavio Caruso A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?