From owner-freebsd-questions@FreeBSD.ORG Fri Apr 19 05:38:34 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 63BEB21A for ; Fri, 19 Apr 2013 05:38:34 +0000 (UTC) (envelope-from demelier.david@gmail.com) Received: from mail-wi0-x22c.google.com (mail-wi0-x22c.google.com [IPv6:2a00:1450:400c:c05::22c]) by mx1.freebsd.org (Postfix) with ESMTP id F3B1597D for ; Fri, 19 Apr 2013 05:38:33 +0000 (UTC) Received: by mail-wi0-f172.google.com with SMTP id hq17so241119wib.17 for ; Thu, 18 Apr 2013 22:38:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:subject:date:message-id:user-agent:mime-version :content-transfer-encoding:content-type; bh=Ah1RBQbFWYcT5YW9arS0zmxoJJlBlxW0X9HrOrDbJ3E=; b=qIzhRarxw8Y8p/ZCIqyMn4VSxs/p/DwmmV6TlNmgxa42stq3FzH6INLSPYFykn/dZZ mOWHIiahPIWAxZH+GKKkQwWsOct99dt+u6eK7QNDCD4rhH1zMTSBFqPNygzB5G3YxAbQ /Mur+VeMK8jzZPbXwugXYgxJpPsKoM6kV2znIiXfXEinKE+T5ZK/JyUO2u9liVHZKjct VAdkU22NCF7DkmrF9dWxoEaE8pHcCnFFl+5LZrOHTFZQvXKWumGQYyLxYPlNk7Oihjdj MI7rcOROhNumkmZr+1Mo/DB3EUxXoiQbLyTCN4dR9a7NAlDBnPWw8sn46afyZPB20HGN F+3Q== X-Received: by 10.180.87.170 with SMTP id az10mr13605164wib.3.1366349913190; Thu, 18 Apr 2013 22:38:33 -0700 (PDT) Received: from melon.localnet (11.33.91.91.rev.sfr.net. [91.91.33.11]) by mx.google.com with ESMTPS id d8sm1247602wiv.10.2013.04.18.22.38.31 (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 18 Apr 2013 22:38:32 -0700 (PDT) From: David Demelier To: freebsd-questions@freebsd.org Subject: System hangs but ping when remounting read-only Date: Fri, 19 Apr 2013 07:38:26 +0200 Message-ID: <1604277.srzxGMfzEa@melon> User-Agent: KMail/4.10.1 (FreeBSD/9.1-RELEASE-p1; KDE/4.10.1; amd64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Apr 2013 05:38:34 -0000 Hello folks, I have a machine that runs on a compact flash so I try to mount read-only as much as possible, but when I need to do some maintainance I remount read-write with mount -u -w / It works, but when I try to remount read only the prompt never get back using mount -u -r / and the ssh does not respond anymore. I have also a serial cable and it is not accessible anymore. However pings are still working so I can't debug anything at all.. This problem appears on a 9.1-RELEASE i386 with /var and /tmp mounted as md devices. Regards, -- David Demelier