From owner-freebsd-current@freebsd.org Fri Jan 15 19:03:48 2021 Return-Path: Delivered-To: freebsd-current@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 3F8554EF786 for ; Fri, 15 Jan 2021 19:03:48 +0000 (UTC) (envelope-from yasu@utahime.org) Received: from maybe.home.utahime.org (gate.home.utahime.org [183.180.29.210]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DHVvl1NgLz3Q8G for ; Fri, 15 Jan 2021 19:03:46 +0000 (UTC) (envelope-from yasu@utahime.org) Received: from eastasia.home.utahime.org (eastasia.home.utahime.org [192.168.174.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by maybe.home.utahime.org (Postfix) with ESMTPS id 9804B4B418 for ; Sat, 16 Jan 2021 04:03:43 +0900 (JST) Received: from localhost (rolling.home.utahime.org [192.168.174.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by eastasia.home.utahime.org (Postfix) with ESMTPSA id 85CD13BD63; Sat, 16 Jan 2021 04:03:42 +0900 (JST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.0 at eastasia.home.utahime.org Date: Sat, 16 Jan 2021 04:03:23 +0900 (JST) Message-Id: <20210116.040323.136067379540977557.yasu@utahime.org> To: freebsd-current@freebsd.org Subject: Re: Waiting for bufdaemon From: Yasuhiro Kimura In-Reply-To: <20210115.201030.1395690536446474720.yasu@utahime.org> References: <7c4da243-52ff-c5ee-3d56-1ae651286e0e@alvermark.net> <20210115.201030.1395690536446474720.yasu@utahime.org> X-Mailer: Mew version 6.8 on Emacs 27.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4DHVvl1NgLz3Q8G X-Spamd-Bar: / X-Spamd-Result: default: False [-0.70 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+a:spf-authorized.utahime.org]; TO_DN_NONE(0.00)[]; HFILTER_HELO_IP_A(1.00)[maybe.home.utahime.org]; HFILTER_HELO_NORES_A_OR_MX(0.30)[maybe.home.utahime.org]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[utahime.org:+]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[183.180.29.210:from]; ASN(0.00)[asn:2519, ipnet:183.180.0.0/16, country:JP]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[utahime.org:s=maybe2019112701]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[utahime.org]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[183.180.29.210:from:127.0.2.255]; MID_CONTAINS_FROM(1.00)[]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 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: Fri, 15 Jan 2021 19:03:48 -0000 From: Yasuhiro Kimura Subject: Re: Waiting for bufdaemon Date: Fri, 15 Jan 2021 20:10:30 +0900 (JST) > I have been experiencing same problem with my 13-CURRENT amd64 > VirtualBox VM for about a month. The conditions that the problem > happens are unclear and all what I can say is > > * It happens only after I login in the VM and do something for a > while. If I boot the VM and shut it down immediately, it never > happens. > * When the problem happens, one or more unkillable processes seem to > be left. CPU of my host is not AMD but Intel. According to the /var/run/dmesg.boot of VM, information of CPU is as following. CPU: Intel(R) Core(TM) i7-9700 CPU @ 3.00GHz (3000.09-MHz K8-class CPU) Origin="GenuineIntel" Id=0x906ed Family=0x6 Model=0x9e Stepping=13 Features=0x1783fbff Features2=0x5eda2203 AMD Features=0x28100800 AMD Features2=0x121 Structured Extended Features=0x842421 Structured Extended Features3=0x30000400 IA32_ARCH_CAPS=0x29 TSC: P-state invariant Just FYI. --- Yasuhiro Kimura