From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <4752FAF3.2040105@altlinux.ru> Date: Sun, 02 Dec 2007 21:35:31 +0300 From: =?UTF-8?B?0JzQuNGF0LDQuNC7INCv0LrRg9GI0LjQvQ==?= User-Agent: Thunderbird 2.0.0.6 (X11/20070804) MIME-Version: 1.0 To: ALT Linux sysadmin discuss References: <475221B4.1040303@solin.spb.ru> In-Reply-To: <475221B4.1040303@solin.spb.ru> X-Enigmail-Version: 0.95.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on basalt.office.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-4.5 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Subject: Re: [Sysadmins] =?utf-8?b?UTogeGVuINC4IG9wZW5udHBkIC0tINC/0YDQvtCx?= =?utf-8?b?0LvQtdC80Ysg0YHQuNC90YXRgNC+0L3QuNC30LDRhtC40Lg=?= X-BeenThere: sysadmins@lists.altlinux.org X-Mailman-Version: 2.1.9 Precedence: list Reply-To: ALT Linux sysadmin discuss List-Id: ALT Linux sysadmin discuss List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Dec 2007 18:35:19 -0000 Archived-At: List-Archive: Aleksey Avdeev пишет: > Приветствую. > > На 2x ядерной системе на Arima NM46 (nVidia nForce Professional 3600 > MCP (MCP55-Pro), > ) > ловлю проблемы с синхронизацией openntpd. Выглядит это так: > > 1. Когда время рассинхронизировано сильно -- вижу тенденцию к достаточно > равномерной синхронизации: > > fgrep 'ntpd[' /var/log/messages > > Nov 29 14:15:22 srantal ntpd[15008]: adjusting local clock by 43.819271s > Nov 29 14:19:40 srantal ntpd[15008]: adjusting local clock by 43.759462s > Nov 29 14:23:52 srantal ntpd[15008]: adjusting local clock by 43.530141s > Nov 29 14:28:13 srantal ntpd[15008]: adjusting local clock by 43.448431s > Nov 29 14:30:23 srantal ntpd[15008]: adjusting local clock by 43.296642s > Nov 29 14:34:45 srantal ntpd[15008]: adjusting local clock by 43.188725s > Nov 29 14:39:05 srantal ntpd[15008]: adjusting local clock by 43.101725s > Nov 29 14:43:24 srantal ntpd[15008]: adjusting local clock by 43.031067s > Nov 29 14:49:43 srantal ntpd[15008]: adjusting local clock by 42.971676s > Nov 29 14:53:53 srantal ntpd[15008]: adjusting local clock by 42.828613s > Nov 29 14:58:10 srantal ntpd[15008]: adjusting local clock by 42.699277s > Nov 29 15:02:26 srantal ntpd[15008]: adjusting local clock by 42.517511s > Nov 29 15:06:44 srantal ntpd[15008]: adjusting local clock by 42.410233s > Nov 29 15:10:56 srantal ntpd[15008]: adjusting local clock by 42.252679s > Nov 29 15:15:14 srantal ntpd[15008]: adjusting local clock by 42.074434s > ... > Nov 30 13:14:22 srantal ntpd[15008]: adjusting local clock by 2.762163s > Nov 30 13:18:39 srantal ntpd[15008]: adjusting local clock by 2.666824s > Nov 30 13:24:11 srantal ntpd[15008]: adjusting local clock by 2.509053s > Nov 30 13:28:29 srantal ntpd[15008]: adjusting local clock by 2.431769s > Nov 30 13:32:42 srantal ntpd[15008]: adjusting local clock by 2.261951s > Nov 30 13:37:04 srantal ntpd[15008]: adjusting local clock by 2.063862s > Nov 30 13:41:20 srantal ntpd[15008]: adjusting local clock by 1.974392s > Nov 30 13:45:51 srantal ntpd[15008]: adjusting local clock by 1.893403s > Nov 30 13:50:11 srantal ntpd[15008]: adjusting local clock by 1.791662s > Nov 30 13:54:30 srantal ntpd[15008]: adjusting local clock by 1.601143s > Nov 30 13:58:43 srantal ntpd[15008]: adjusting local clock by 1.452669s > Nov 30 14:02:55 srantal ntpd[15008]: adjusting local clock by 1.366058s > Nov 30 14:07:19 srantal ntpd[15008]: adjusting local clock by 1.227879s > Nov 30 14:11:29 srantal ntpd[15008]: adjusting local clock by 1.068625s > > 2. Около 0 начинаются колебания, сначала достаточно слабые, но растущие > до амплитуды примерно в 2 минуты: > > Nov 30 14:15:43 srantal ntpd[15008]: adjusting local clock by 0.973161s > Nov 30 14:19:59 srantal ntpd[15008]: adjusting local clock by 0.818756s > Nov 30 14:26:08 srantal ntpd[15008]: adjusting local clock by 0.667731s > Nov 30 14:31:23 srantal ntpd[15008]: adjusting local clock by 0.403073s > Nov 30 14:36:04 srantal ntpd[15008]: adjusting local clock by 0.334943s > Nov 30 14:40:18 srantal ntpd[15008]: adjusting local clock by 0.267176s > Nov 30 18:39:02 srantal ntpd[15008]: adjusting local clock by -0.144020s > Nov 30 18:55:10 srantal ntpd[15008]: adjusting local clock by -0.263865s > Nov 30 19:00:20 srantal ntpd[15008]: adjusting local clock by -0.318400s > Nov 30 19:04:38 srantal ntpd[15008]: adjusting local clock by -0.239041s > Nov 30 19:48:24 srantal ntpd[15008]: adjusting local clock by 0.952979s > Nov 30 19:56:35 srantal ntpd[15008]: adjusting local clock by 2.629649s > Nov 30 20:00:48 srantal ntpd[15008]: adjusting local clock by 2.768256s > Nov 30 20:03:51 srantal ntpd[15008]: adjusting local clock by 2.024156s > Nov 30 20:08:10 srantal ntpd[15008]: adjusting local clock by -0.237597s > Nov 30 20:16:01 srantal ntpd[15008]: adjusting local clock by -5.318358s > Nov 30 20:20:47 srantal ntpd[15008]: adjusting local clock by -8.443175s > Nov 30 20:25:03 srantal ntpd[15008]: adjusting local clock by -8.818382s > Nov 30 20:31:20 srantal ntpd[15008]: adjusting local clock by -0.793047s > Nov 30 20:35:39 srantal ntpd[15008]: adjusting local clock by 5.184628s > Nov 30 20:39:57 srantal ntpd[15008]: adjusting local clock by 9.944269s > Nov 30 20:44:10 srantal ntpd[15008]: adjusting local clock by 12.579240s > Nov 30 20:48:25 srantal ntpd[15008]: adjusting local clock by 10.544748s > Nov 30 20:54:00 srantal ntpd[15008]: adjusting local clock by -3.193970s > Nov 30 20:58:26 srantal ntpd[15008]: adjusting local clock by -11.415809s > Nov 30 21:02:46 srantal ntpd[15008]: adjusting local clock by -23.495780s > Nov 30 21:07:07 srantal ntpd[15008]: adjusting local clock by -26.726273s > Nov 30 21:11:21 srantal ntpd[15008]: adjusting local clock by -12.636701s > Nov 30 21:15:33 srantal ntpd[15008]: adjusting local clock by 4.365099s > Nov 30 21:19:55 srantal ntpd[15008]: adjusting local clock by 23.205746s > Nov 30 21:22:04 srantal ntpd[15008]: adjusting local clock by 49.300694s > Nov 30 21:26:35 srantal ntpd[15008]: adjusting local clock by 57.927283s > Nov 30 21:31:05 srantal ntpd[15008]: adjusting local clock by 25.215511s > Nov 30 21:35:28 srantal ntpd[15008]: adjusting local clock by 2.840327s > Nov 30 21:39:58 srantal ntpd[15008]: adjusting local clock by -20.529180s > Nov 30 21:44:23 srantal ntpd[15008]: adjusting local clock by -42.731609s > Nov 30 21:48:43 srantal ntpd[15008]: adjusting local clock by -52.143453s > Nov 30 21:53:05 srantal ntpd[15008]: adjusting local clock by -33.241482s > Nov 30 21:57:18 srantal ntpd[15008]: adjusting local clock by -3.651981s > Nov 30 22:01:30 srantal ntpd[15008]: adjusting local clock by 13.300128s > Nov 30 22:05:40 srantal ntpd[15008]: adjusting local clock by 32.516868s > Nov 30 22:09:59 srantal ntpd[15008]: adjusting local clock by 52.212004s > Nov 30 22:14:20 srantal ntpd[15008]: adjusting local clock by 55.244622s > Nov 30 22:18:51 srantal ntpd[15008]: adjusting local clock by 39.178210s > Nov 30 22:23:15 srantal ntpd[15008]: adjusting local clock by 11.682577s > Nov 30 22:27:42 srantal ntpd[15008]: adjusting local clock by -12.288741s > Nov 30 22:32:03 srantal ntpd[15008]: adjusting local clock by -48.962899s > Nov 30 22:36:23 srantal ntpd[15008]: adjusting local clock by -55.909022s > Nov 30 22:40:38 srantal ntpd[15008]: adjusting local clock by -44.939905s > Nov 30 22:44:53 srantal ntpd[15008]: adjusting local clock by -15.393383s > Nov 30 22:49:15 srantal ntpd[15008]: adjusting local clock by 10.152480s > Nov 30 22:53:30 srantal ntpd[15008]: adjusting local clock by 25.758460s > Nov 30 22:57:47 srantal ntpd[15008]: adjusting local clock by 55.076543s > Nov 30 23:02:10 srantal ntpd[15008]: adjusting local clock by 60.276839s > Nov 30 23:06:34 srantal ntpd[15008]: adjusting local clock by 47.081275s > Nov 30 23:11:03 srantal ntpd[15008]: adjusting local clock by 16.630958s > > В дальнейщем -- так и колеблится... > > PS: По хорактеру изменений, весьма похоже что система в какой-то > резонанс попадает (наложились несколько близких таймаутов). Это известная проблема xen. Я думаю стоит проверить в 3.1.2. Если и там то ждём 3.2 там должны исправить. Рекомендую чтобы dom 0 видел все ядра. Так оно точнее работает.