From owner-freebsd-net@FreeBSD.ORG Tue Sep 2 14:18:29 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E0A5BEEA for ; Tue, 2 Sep 2014 14:18:29 +0000 (UTC) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B2CA81CCE for ; Tue, 2 Sep 2014 14:18:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Content-Type:MIME-Version:Message-ID:Subject:To:From:Date; bh=bNR5SSw6Y72SjJZdp5VmkxHSRQmkPDlPqZvs3ktuIRk=; b=QmFvk/2hWkRaMGIm20VBAXsTRTLLfh6LN5exqgg/6Jkz6g6GtZFxqhAumQYJSvhdFkPcJwsAfe374ZD07hpS5fOxCI8YoVf6mUbOTkEpGqJOejEYXHGx28SEo59ALWV9+8guVdaRwxnpmnulNe+d34UpQaC94t8FhBmNi5bi1EI=; Received: from 104-54-221-134.lightspeed.austtx.sbcglobal.net ([104.54.221.134]:15310 helo=borg.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.84 (FreeBSD)) (envelope-from ) id 1XOouh-00055N-A8 for freebsd-net@freebsd.org; Tue, 02 Sep 2014 09:18:28 -0500 Date: Tue, 2 Sep 2014 09:18:16 -0500 From: Larry Rosenman To: freebsd-net@freebsd.org Subject: random "Can't allocate memory" from sshd Message-ID: <20140902141815.GA19120@borg.lerctr.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Score: -2.9 (--) X-LERCTR-Spam-Score: -2.9 (--) X-Spam-Report: SpamScore (-2.9/5.0) ALL_TRUSTED=-1, BAYES_00=-1.9, TVD_RCVD_IP=0.001 X-LERCTR-Spam-Report: SpamScore (-2.9/5.0) ALL_TRUSTED=-1, BAYES_00=-1.9, TVD_RCVD_IP=0.001 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Sep 2014 14:18:30 -0000 I've had this issue for a while on 10 and 11.... merrily working along, in an SSH session, or doing zfs send/recv over ssh and randomly I'll get a "can't allocate memory" from sshd and the session gets killed. There is PLENTY of memory on the free list (>500meg). What can I do to catch what is having an issue, and better yet, fix it? What diagnostics do I need? -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 108 Turvey Cove, Hutto, TX 78634-5688