From owner-freebsd-questions@FreeBSD.ORG Wed May 11 14:04:32 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0EB0D106566B for ; Wed, 11 May 2011 14:04:32 +0000 (UTC) (envelope-from cronfy@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id B46B38FC17 for ; Wed, 11 May 2011 14:04:31 +0000 (UTC) Received: by iwn33 with SMTP id 33so755480iwn.13 for ; Wed, 11 May 2011 07:04:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:from:date:message-id:subject:to :content-type; bh=WcWS0/mb5lNDSr6quYcGVouTJaId4AcIwuU0Hxb8EfE=; b=sRmyVu7HzsV+HuS+MDImWJrHsc8GKdyQyCvPDo6GzEknajJ+DUkPRxpri7Brx4tQVR Qg238QArGLDBBanKU6rFLiOXUuxLyhWbL8lCLD9Bv4epBJmZ/f8mjHdzouGNu/QDRvik 786pn3PDXeEgPGiqvudfA+KAsT1Asw8tQsxu4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:from:date:message-id:subject:to:content-type; b=cNWFHCdL9+/LYAindmaha+gd4BuhWyFgEC+BvSPCyco7W6KF45TrN+G6g+k+3UdXmS otJ1JjBnI/IaEcDAcASxh/gql3Fi462A1//rxPICCVIkXI5SvYsusmhA4hIYbJLbxrso c53bs04DJALF0KlTZuCmlzCzBN7ZJzolV/KLU= Received: by 10.231.196.233 with SMTP id eh41mr6719725ibb.6.1305122670238; Wed, 11 May 2011 07:04:30 -0700 (PDT) MIME-Version: 1.0 Received: by 10.231.169.129 with HTTP; Wed, 11 May 2011 07:03:13 -0700 (PDT) From: cronfy Date: Wed, 11 May 2011 18:03:13 +0400 Message-ID: To: freebsd-questions Content-Type: text/plain; charset=ISO-8859-1 Subject: how to diagnose server freeze with ddb? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 May 2011 14:04:32 -0000 Hello, I have a server that freezes under high load sometimes. It is on FreeBSD 7.3. It does not respond neither by network nor to keyboard. In the same time I can hit Ctrl-Alt-ESC and go to debugger - it works. What can I try to do in DDB to find out the reason of server freezing? Thanks in advance! -- // cronfy