From owner-freebsd-alpha Sat Sep 26 13:22:00 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA14318 for freebsd-alpha-outgoing; Sat, 26 Sep 1998 13:22:00 -0700 (PDT) (envelope-from owner-freebsd-alpha@FreeBSD.ORG) Received: from gjp.erols.com (alex-va-n008c079.moon.jic.com [206.156.18.89]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id NAA14294 for ; Sat, 26 Sep 1998 13:21:58 -0700 (PDT) (envelope-from gjp@gjp.erols.com) Received: from gjp.erols.com (gjp@localhost.erols.com [127.0.0.1]) by gjp.erols.com (8.8.8/8.8.7) with ESMTP id QAA26945; Sat, 26 Sep 1998 16:21:40 -0400 (EDT) (envelope-from gjp@gjp.erols.com) X-Mailer: exmh version 2.0.1 12/23/97 To: "Justin T. Gibbs" cc: alpha@FreeBSD.ORG From: "Gary Palmer" Subject: Re: Possible problem with wait syscall handling... In-reply-to: Your message of "Sat, 26 Sep 1998 13:57:16 MDT." <199809262003.OAA06853@pluto.plutotech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 26 Sep 1998 16:21:40 -0400 Message-ID: <26941.906841300@gjp.erols.com> Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org "Justin T. Gibbs" wrote in message ID <199809262003.OAA06853@pluto.plutotech.com>: > Ken started up a buildworld on our Miata last night, but perhaps 40 > minutes later, the machine started locking up. Ping worked, but > old network connections were frozen and new network connections blocked > after the initial connection. When I came in today and dropped into DDB, > I found that almost every process on the box was sleeping on "wait". > I continued and broke back into DDB two or three more times and suddenly > the machine un-froze. Very bizarre. Assuming I can reproduce this, > anyone have any ideas where I should start poking around to determine > the cause? I've seen this on my alpha too. Blowing away the kernel compile tree and rebuilding the kernel seemed, along with all of userland, seemed to fix it for me. It only seemed to happen with parallel compiles. I gave Doug remote-gdb stack traces, but could never get remote-gdb to give me a ps list to see what things were blocking on :( Gary -- Gary Palmer FreeBSD Core Team Member FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message