From owner-freebsd-mips@freebsd.org Sun Nov 8 18:17:36 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 04967A290B3 for ; Sun, 8 Nov 2015 18:17:36 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 7C3F51643; Sun, 8 Nov 2015 18:17:34 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221]) by hz.grosbein.net (8.14.9/8.14.9) with ESMTP id tA8IHOnR008077 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 8 Nov 2015 19:17:26 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: adrian@freebsd.org Received: from eg.sd.rdtc.ru (eugen@localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTP id tA8IHCoF038549; Mon, 9 Nov 2015 01:17:13 +0700 (KRAT) (envelope-from eugen@grosbein.net) Subject: Re: USB-related problem To: Adrian Chadd 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> Cc: "freebsd-mips@freebsd.org" From: Eugene Grosbein X-Enigmail-Draft-Status: N1110 Message-ID: <563F91A8.9080702@grosbein.net> Date: Mon, 9 Nov 2015 01:17:12 +0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM autolearn=no version=3.3.2 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on hz.grosbein.net 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: Sun, 08 Nov 2015 18:17:36 -0000 On 09.11.2015 00:44, Adrian Chadd wrote: > hiya, > > try updating. I committed a workaround fix yesterday. I've updated today, its r290541. But I have custom kernel config and custom build script, it uses nanobsd(8). I cannot make the kernel to panic anymore, it just freezes while writing to UFS/USB. Userland stops responding to console and kernel stops responding to pings. But I can break to KDB using ALT_BREAK_TO_DEBUGGER sequence: db> show alllock Process v87 (pkg-static) thread 0x82c5c000 (100057) exclusive lockmgr ufs (ufs) r = 0 (0x84cc54b4) locked @ /home/src/sys/kern/vfs_vnops.c:873 Process 14 (syncer) thread 0x809f4360 (100036) exclusive lockmgr bufwait (bufwait) r = 0 (0xc3036450) locked @ /home/src/sys/kern/vfs_bio.c:1454 exclusive lockmgr bufwait (bufwait) r = 0 (0xc30366e0) locked @ /home/src/sys/kern/vfs_default.c:671 exclusive lockmgr devfs (devfs) r = 0 (0x82c72c94) locked @ /home/src/sys/kern/vfs_subr.c:1779