From owner-freebsd-stable@freebsd.org Thu Mar 22 13:05:51 2018 Return-Path: Delivered-To: freebsd-stable@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 58807F65329 for ; Thu, 22 Mar 2018 13:05:51 +0000 (UTC) (envelope-from eugene@zhegan.in) Received: from elf.hq.norma.perm.ru (mail.norma.perm.ru [IPv6:2a00:7540:1::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.norma.perm.ru", Issuer "Vivat-Trade UNIX Root CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id B9FF57389B for ; Thu, 22 Mar 2018 13:05:49 +0000 (UTC) (envelope-from eugene@zhegan.in) Received: from bsdrookie.norma.com. (asterisk.enaza.ru [91.237.76.254]) by elf.hq.norma.perm.ru (8.15.2/8.15.2) with ESMTPS id w2MD5jZa055710 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Thu, 22 Mar 2018 18:05:45 +0500 (YEKT) (envelope-from eugene@zhegan.in) To: "'FreeBSD-stable@FreeBSD.org'" From: "Eugene M. Zheganin" Subject: panic: vdrop: holdcnt 0 Message-ID: <64c1f57a-c461-cc48-8dfa-1b18ef3865e0@zhegan.in> Date: Thu, 22 Mar 2018 18:05:45 +0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Spamd-Result: default: False [-998.10 / 25.00] WHITELISTED_IPS(-999.00)[91.237.76.254] AUTH_NA(1.00)[] RCVD_COUNT_TWO(0.00)[2] MID_RHS_MATCH_FROM(0.00)[] DMARC_NA(0.00)[zhegan.in] FROM_EQ_ENVFROM(0.00)[] ARC_NA(0.00)[] ASN(0.00)[asn:57973, ipnet:91.237.76.0/24, country:RU] FROM_HAS_DN(0.00)[] R_SPF_NA(0.00)[] TO_MATCH_ENVRCPT_ALL(0.00)[] TO_DN_ALL(0.00)[] MIME_GOOD(-0.10)[text/plain] RCPT_COUNT_ONE(0.00)[1] RCVD_TLS_ALL(0.00)[] R_DKIM_NA(0.00)[] IP_SCORE(0.00)[ip: (-9.88), ipnet: 91.237.76.0/24(-7.79), asn: 57973(-4.87), country: RU(0.11)] X-Rspamd-Server: localhost X-Rspamd-Scan-Time: 0.77 X-Rspamd-Queue-ID: w2MD5jZa055710 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Mar 2018 13:05:51 -0000 Hi, today I eventyally got "panic: vdrop: holdcnt 0" on an iSCSI host, on an 11.1. Since I don't see any decent information on this - I just wanted to ask - what this kind of panic generally mean ? And where do I go with this. The only PR I see is about 9.[, and the author there got multiple reproducing crashes, not just one. Thanks.