Date: Sun, 27 Sep 1998 00:25:34 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Gary Palmer <gpalmer@FreeBSD.ORG> Cc: "Justin T. Gibbs" <gibbs@plutotech.com>, alpha@FreeBSD.ORG Subject: Re: Possible problem with wait syscall handling... Message-ID: <Pine.BSF.4.01.9809270024440.845-100000@herring.nlsystems.com> In-Reply-To: <26941.906841300@gjp.erols.com>
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On Sat, 26 Sep 1998, Gary Palmer wrote: > "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 :( I thought you were seeing memory fault panics in execve? Were you having the hang effect too? -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 951 1891 Fax: +44 181 381 1039 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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