From owner-freebsd-ppc@FreeBSD.ORG Wed Jun 5 16:47:57 2013 Return-Path: Delivered-To: freebsd-ppc@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 9737BC7; Wed, 5 Jun 2013 16:47:57 +0000 (UTC) (envelope-from chmeeedalf@gmail.com) Received: from mail-bk0-x22f.google.com (mail-bk0-x22f.google.com [IPv6:2a00:1450:4008:c01::22f]) by mx1.freebsd.org (Postfix) with ESMTP id F34D512B0; Wed, 5 Jun 2013 16:47:56 +0000 (UTC) Received: by mail-bk0-f47.google.com with SMTP id jg1so844441bkc.6 for ; Wed, 05 Jun 2013 09:47:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=6KDc3fdHRgsK4QdiypFX13uElIYPKjfaqjjAi0prKNY=; b=n9J4nxaIMWGnRDBLa4v1gkcN0R7HtAX2wipFv1IwsaU8rQjAA/x2VRamuWJ11IAnTZ Ts/vDYBs3HUy0g5Yhx4v8jTkhliBtZ8ng1qgoKQmJfRY+nT8wMA/j7tZKlS00hG0tw0R uIQ+AEWVV+FQY8fRBMQGVngB+rXj64NSx7NLBQiyXdWPjid9SN9r2gTS5U+zG6jltr8s YU12jgMMwMKSWFmGZMn+ttaqW4sj2woFs+DIaac6jRbTTyvf0tBf34QYWY5F4FjqTDKG SsUMPsRqTIAso2sKzWe6GR+THs0lkM5OQPOPAkafBOS3qkeaCbHkSfxLUvYnSXfhV6Oy DUCw== MIME-Version: 1.0 X-Received: by 10.204.56.72 with SMTP id x8mr10049836bkg.177.1370450875782; Wed, 05 Jun 2013 09:47:55 -0700 (PDT) Sender: chmeeedalf@gmail.com Received: by 10.204.236.132 with HTTP; Wed, 5 Jun 2013 09:47:55 -0700 (PDT) Received: by 10.204.236.132 with HTTP; Wed, 5 Jun 2013 09:47:55 -0700 (PDT) In-Reply-To: <51AF6661.3060007@freebsd.org> References: <51AF6661.3060007@freebsd.org> Date: Wed, 5 Jun 2013 09:47:55 -0700 X-Google-Sender-Auth: lAKy-kq-1Dnt610zMemYvC7Fj2U Message-ID: Subject: Re: Strange panic on ppc64 From: Justin Hibbits To: Nathan Whitehorn Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: FreeBSD PowerPC ML X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Jun 2013 16:47:57 -0000 Will do, when I get it panicking again. - Justin On Jun 5, 2013 9:46 AM, "Nathan Whitehorn" wrote: > On 06/04/13 22:35, Justin Hibbits wrote: > >> After a string of seemingly random hangs, I added invariants (but not >> witness) to my custom kernel config, and I get the following panic, >> recreated from a fuzzy cell phone picture: >> >> >> [thread pid -1 tid 1006665719 ] >> Stopped at 0: illegal instruction 0 >> db> panic: mutex ohci1 owned at >> /usr/home/chmeee/freebsd/head/**sys/dev/usb/usb_transfer.c:**2280 >> cpuid = 0 >> Uptime: 9h8m1s >> >> ... >> panic: msleep1 >> cpu = 0 >> KDB: enter: panic >> [ thread pid -1 tid 100665719 ] >> .... >> >> The first question I have is how the hell it got such a strange PID/TID, >> memory corruption my guess, something is stomping on the pcpu or >> something, >> and I think these hangs have only happened since I added a lot more memory >> (up to 12G from 4G, Andreas Tobler was seeing hangs as well), so it might >> be something in the moea64 pmap code, but that's pure speculation on my >> part. Then the other panic messages, owned mutex and panic in msleep1. I >> enabled more trace code, so hopefully the next time it panics I can >> collect >> better data. >> >> - Justin >> ______________________________**_________________ >> freebsd-ppc@freebsd.org mailing list >> http://lists.freebsd.org/**mailman/listinfo/freebsd-ppc >> To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@**freebsd.org >> " >> > > Could you post the output from show reg? It looks like it tried to jump to > a null pointer there. > -Nathan >