From owner-freebsd-mips@freebsd.org Mon Nov 9 06:52:21 2015 Return-Path: Delivered-To: freebsd-mips@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B6C04A2A1D9 for ; Mon, 9 Nov 2015 06:52:21 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-io0-x22d.google.com (mail-io0-x22d.google.com [IPv6:2607:f8b0:4001:c06::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 798C91102 for ; Mon, 9 Nov 2015 06:52:21 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by iody8 with SMTP id y8so176691250iod.1 for ; Sun, 08 Nov 2015 22:52:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=aR5bt3As/knITIq+Vuo+apNC53Uzsmx8jY8GxaTeniE=; b=DeYCTB2ceqyb1o0XJv3japExiK4OEmwCBPv7KspRmp4z+GCqT1x70AujMP2WbQzgTK 7LKC0vzmNZMPaTFZ0vBrNsVbMJ1Cen9c9OcPGSFEzj3i3g7+Y5sGU8zf2Rw5pK9px23W Tj1Su6g1yIzZ3RNIBuNex6ijMyOYqxIC/etWHjobu6mRfDnms9kirV9rOv7Qwvg/t+J/ BgubTCNESnScfN3LEYbpgqRnb+ZE+co8hgCuO0K/goWeWg1poEGi4x8q8rsQDNdwxrY5 Ecv2uaSxcgacFd4tqgVl9fG8wZyLnrk5axXzyH3MlwlQBWhjKGMNU+OU3AHtwHsENYyx r02A== MIME-Version: 1.0 X-Received: by 10.107.10.199 with SMTP id 68mr6776407iok.75.1447051940865; Sun, 08 Nov 2015 22:52:20 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.36.217.196 with HTTP; Sun, 8 Nov 2015 22:52:20 -0800 (PST) In-Reply-To: References: <56348063.3090508@grosbein.net> <56348239.3050701@grosbein.net> <563500FC.8020201@grosbein.net> <5635148B.2070307@grosbein.net> <56351AA6.80903@grosbein.net> <563523CA.3040207@grosbein.net> <56367686.4090801@grosbein.net> <563707A0.3040700@grosbein.net> <56370E1D.3040801@grosbein.net> <563F5630.2000407@grosbein.net> <563F6F6F.1010807@grosbein.net> <563F91A8.9080702@grosbein.net> Date: Sun, 8 Nov 2015 22:52:20 -0800 X-Google-Sender-Auth: -w_j3TFSwVJNfy8SSRdxZOg-xYg Message-ID: Subject: Re: USB-related problem From: Adrian Chadd To: Eugene Grosbein Cc: "freebsd-mips@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Nov 2015 06:52:21 -0000 Hiya, Here's a patch against FreeBSD-HEAD sys/kern/vfs_bio.c that adds Jeff's fix (that isn't yet in -HEAD), and a "bufvars" command to ddb. Would you mind spinning this up on your mips boards, triggering the low memory condition and running "bufvars" ? That should give Jeff a pretty good idea of what's going on. Also "ps" and "show allthreads" too, to see what's running and where. Thanks, -adrian