From owner-freebsd-current@freebsd.org Thu Dec 20 17:33:29 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 72ADA134E001 for ; Thu, 20 Dec 2018 17:33:29 +0000 (UTC) (envelope-from rebecca@bluestop.org) Received: from muon.bluestop.org (muon.bluestop.org [96.73.9.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 17F328A5B3 for ; Thu, 20 Dec 2018 17:33:27 +0000 (UTC) (envelope-from rebecca@bluestop.org) Received: from muon.bluestop.org (localhost [127.0.0.1]) by muon.bluestop.org (Postfix) with ESMTP id 103EC30950 for ; Thu, 20 Dec 2018 10:34:14 -0700 (MST) Received: from muon.bluestop.org ([127.0.0.1]) by muon.bluestop.org (muon.bluestop.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2l5_DXuT5H5f for ; Thu, 20 Dec 2018 10:34:13 -0700 (MST) Received: from photon.int.bluestop.org (gw.bluestop.org [96.73.9.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by muon.bluestop.org (Postfix) with ESMTPSA for ; Thu, 20 Dec 2018 10:34:13 -0700 (MST) From: Rebecca Cran To: "freebsd-current@FreeBSD.org" Subject: Panic in getblkx() booting from disc1.iso in Qemu VM Date: Thu, 20 Dec 2018 10:33:20 -0700 Message-ID: <4628942.YNO7O01DYZ@photon.int.bluestop.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Rspamd-Queue-Id: 17F328A5B3 X-Spamd-Bar: ------ X-Spamd-Result: default: False [-6.49 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[bluestop.org:s=mail]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_THREE(0.00)[4]; IP_SCORE(-3.10)[ip: (-9.79), ipnet: 96.64.0.0/11(-4.79), asn: 7922(-0.85), country: US(-0.08)]; DKIM_TRACE(0.00)[bluestop.org:+]; DMARC_POLICY_ALLOW(-0.50)[bluestop.org,quarantine]; MX_GOOD(-0.01)[mail.bluestop.org]; TO_DN_EQ_ADDR_ALL(0.00)[]; NEURAL_HAM_SHORT(-0.88)[-0.881,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; CTE_CASE(0.50)[]; ASN(0.00)[asn:7922, ipnet:96.64.0.0/11, country:US]; RCVD_TLS_LAST(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Dec 2018 17:33:29 -0000 I know booting from the cd/dvd iso worked fairly recently, but today booting a new build of -CURRENT in a Qemu VM resulted in a panic: FreeBSD 13.0-CURRENT 19a6ceb89db(HEAD) GENERIC amd64 FreeBSD clang version 7.0.1 (tags/RELEASE_701/final 349250) (based on LLVM 7.0.1) WARNING: WITNESS option enabled, expect reduced performance. VT(efifb): resolution 800x600 CPU: QEMU Virtual CPU version 2.5+ (2994.86-MHz K8-class CPU) Origin="AuthenticAMD" Id=0x663 Family=0x6 Model=0x6 Stepping=3 Features=0x783fbfd Features2=0x80002001 AMD Features=0x20100800 AMD Features2=0x5 SVM: NAsids=16 Hypervisor: Origin = "TCGTCGTCGTCG" real memory = 8589934592 (8192 MB) avail memory = 8227643392 (7846 MB) ... WARNING: WITNESS option enabled, expect reduced performance. Trying to mount root from cd9660:/dev/iso9660/13_0_CURRENT_AMD64_DVD [ro]... panic: bsize == 0, check bo->bo_bsize cpuid = 0 time = 2 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0041189270 vpanic() at vpanic+0x1b4/frame 0xfffffe00411892d0 panic() at panic+0x43/frame 0xfffffe0041189330 getblkx() at getblkx+0x807/frame 0xfffffe00411893f0 breadn_flags() at breadn_flags+0x3d/frame 0xfffffe0041189460 cd9660_blkatoff() at cd9660_blkatoff+0x53/frame 0xfffffe00411894d0 cd9660_vget_internal() at cd9660_vget_internal+0x26b/frame 0xfffffe0041189550 vfs_domount() at vfs_domount+0x7d3/frame 0xfffffe0041189770 vfs_donmount() at vfs_donmount+0x7b9/frame 0xfffffe0041189810 kernel_mount() at kernel_mount+0x58/frame 0xfffffe0041189860 parse_mount() at parse_mount+0x469/frame 0xfffffe00411899a0 vfs_mountroot() at vfs_mountroot+0x67f/frame 0xfffffe0041189b10 start_init() at start_init+0x28/frame 0xfffffe0041189bb0 fork_exit() at fork_exit+0x84/frame 0xfffffe0041189bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0041189bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 1 tid 100002 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> -- Rebecca