From nobody Mon Sep 16 18:39:24 2024 X-Original-To: freebsd-questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4X6txF06DDz5Wfn3 for ; Mon, 16 Sep 2024 18:39:29 +0000 (UTC) (envelope-from ml@netfence.it) Received: from soth.netfence.it (mailserver.netfence.it [78.134.96.152]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mailserver.netfence.it", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4X6txC6Wgdz4f36 for ; Mon, 16 Sep 2024 18:39:27 +0000 (UTC) (envelope-from ml@netfence.it) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=netfence.it; spf=pass (mx1.freebsd.org: domain of ml@netfence.it designates 78.134.96.152 as permitted sender) smtp.mailfrom=ml@netfence.it Received: from [10.1.2.18] (alamar.local.netfence.it [10.1.2.18]) (authenticated bits=0) by soth.netfence.it (8.18.1/8.17.2) with ESMTPSA id 48GIdOF1095846 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO) for ; Mon, 16 Sep 2024 20:39:25 +0200 (CEST) (envelope-from ml@netfence.it) X-Authentication-Warning: soth.netfence.it: Host alamar.local.netfence.it [10.1.2.18] claimed to be [10.1.2.18] Message-ID: Date: Mon, 16 Sep 2024 20:39:24 +0200 List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: freebsd-questions@freebsd.org From: Andrea Venturoli Subject: Panic on NFS Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.82 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[netfence.it,none]; R_SPF_ALLOW(-0.20)[+ip4:78.134.96.152]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_SHORT(-0.03)[-0.033]; XM_UA_NO_VERSION(0.01)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ASN(0.00)[asn:35612, ipnet:78.134.0.0/17, country:IT]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_ONE(0.00)[1]; RCVD_TLS_ALL(0.00)[]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org]; FROM_HAS_DN(0.00)[]; HAS_XAW(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; ARC_NA(0.00)[] X-Rspamd-Queue-Id: 4X6txC6Wgdz4f36 Hello. A server of mine just hanged (I don't know why). After an hardware reset, it booted properly, but then had a panic: > Sep 16 20:16:17 xxxx kernel: panic: VERIFY0(VOP_LOOKUP(dvp, vpp, &cn)) failed (0 == 2) > Sep 16 20:16:17 xxxx kernel: > Sep 16 20:16:17 xxxx kernel: cpuid = 6 > Sep 16 20:16:17 xxxx kernel: time = 1726510500 > Sep 16 20:16:17 xxxx kernel: KDB: stack backtrace: > Sep 16 20:16:17 xxxx kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe013ed96670 > Sep 16 20:16:17 xxxx kernel: vpanic() at vpanic+0x131/frame 0xfffffe013ed967a0 > Sep 16 20:16:17 xxxx kernel: spl_panic() at spl_panic+0x3a/frame 0xfffffe013ed96800 > Sep 16 20:16:17 xxxx kernel: zfs_fhtovp() at zfs_fhtovp+0x493/frame 0xfffffe013ed968b0 > Sep 16 20:16:17 xxxx kernel: nullfs_fhtovp() at nullfs_fhtovp+0x1e/frame 0xfffffe013ed968d0 > Sep 16 20:16:17 xxxx kernel: nfsvno_fhtovp() at nfsvno_fhtovp+0x3d/frame 0xfffffe013ed96910 > Sep 16 20:16:17 xxxx kernel: nfsd_fhtovp() at nfsd_fhtovp+0xcf/frame 0xfffffe013ed96970 > Sep 16 20:16:17 xxxx kernel: nfsrvd_dorpc() at nfsrvd_dorpc+0xeee/frame 0xfffffe013ed96bb0 > Sep 16 20:16:17 xxxx kernel: nfssvc_program() at nfssvc_program+0x7be/frame 0xfffffe013ed96da0 > Sep 16 20:16:17 xxxx kernel: svc_run_internal() at svc_run_internal+0xbc0/frame 0xfffffe013ed96ee0 > Sep 16 20:16:17 xxxx kernel: svc_thread_start() at svc_thread_start+0xb/frame 0xfffffe013ed96ef0 > Sep 16 20:16:17 xxxx kernel: fork_exit() at fork_exit+0x7f/frame 0xfffffe013ed96f30 > Sep 16 20:16:17 xxxx kernel: fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe013ed96f30 > Sep 16 20:16:17 xxxx kernel: --- trap 0xc, rip = 0x25d49f184c8a, rsp = 0x25d49e2946f8, rbp = 0x25d49e294990 --- > Sep 16 20:16:17 xxxx kernel: Uptime: 6m50s This is a 14.1p4 NFS server (amongst other things). A quick search in bugzilla turned up nothing useful. Any insight? Any suggestion to prevent it from happening again? Is this worth reporting? Unfortunately I got no crash dump (although I think I should). bye & Thanks av.