From owner-freebsd-current@FreeBSD.ORG Mon Jan 20 08:18:10 2014 Return-Path: Delivered-To: freebsd-current@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 93F293C1; Mon, 20 Jan 2014 08:18:10 +0000 (UTC) Received: from pp2.rice.edu (proofpoint2.mail.rice.edu [128.42.201.101]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 5998E1E58; Mon, 20 Jan 2014 08:18:09 +0000 (UTC) Received: from pps.filterd (pp2.rice.edu [127.0.0.1]) by pp2.rice.edu (8.14.5/8.14.5) with SMTP id s0K8I8GY008534; Mon, 20 Jan 2014 02:18:08 -0600 Received: from mh3.mail.rice.edu (mh3.mail.rice.edu [128.42.199.10]) by pp2.rice.edu with ESMTP id 1hfdjgggq3-1; Mon, 20 Jan 2014 02:18:08 -0600 X-Virus-Scanned: by amavis-2.7.0 at mh3.mail.rice.edu, auth channel Received: from 108-254-203-201.lightspeed.hstntx.sbcglobal.net (108-254-203-201.lightspeed.hstntx.sbcglobal.net [108.254.203.201]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) (Authenticated sender: alc) by mh3.mail.rice.edu (Postfix) with ESMTPSA id A7E5F4013D; Mon, 20 Jan 2014 02:18:07 -0600 (CST) Message-ID: <52DCDBBA.7010009@rice.edu> Date: Mon, 20 Jan 2014 02:18:02 -0600 From: Alan Cox User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Manfred Antar , freebsd-current@freebsd.org Subject: Re: vm_reserv.c panic on sparc64 current References: <201401200006.s0K06OfO098802@pozo.com> In-Reply-To: <201401200006.s0K06OfO098802@pozo.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 kscore.is_bulkscore=0 kscore.compositescore=0 circleOfTrustscore=0 compositescore=0.248919945447816 urlsuspect_oldscore=0.248919945447816 suspectscore=3 recipient_domain_to_sender_totalscore=0 phishscore=0 bulkscore=0 kscore.is_spamscore=0 recipient_to_sender_totalscore=0 recipient_domain_to_sender_domain_totalscore=0 rbsscore=0.248919945447816 spamscore=0 recipient_to_sender_domain_totalscore=0 urlsuspectscore=0.9 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1305240000 definitions=main-1401200002 Cc: alc@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jan 2014 08:18:10 -0000 On 01/19/2014 18:06, Manfred Antar wrote: > vm_reserv.c starting with revision 259999 causes panic on sparc64 (netra T1 200) > version 259998 works > > backtrace: > Starting apache22. > panic: Bad link elm 0xfffff8007d4728f8 prev->next != elm > cpuid = 0 > KDB: enter: panic > [ thread pid 1965 tid 100058 ] > Stopped at kdb_enter+0x80: ta %xcc, 1 > db> bt > Tracing pid 1965 tid 100058 td 0xfffff80001880db0 > vpanic() at vpanic+0x1f8 > panic() at panic+0x20 > vm_page_dequeue() at vm_page_dequeue+0xf8 Can you provide the full contents of the struct vm_page that is being passed to vm_page_dequeue? > vm_fault_hold() at vm_fault_hold+0x54c > vm_fault() at vm_fault+0x88 > trap_pfault() at trap_pfault+0x1ac > trap() at trap+0xdc > -- data access protection tar=0x4100679c sfar=0x41006010 sfsr=0x800005 %o7=0x4062ea3c -- > userland() at 0x4062eab8 > user trace: trap %o7=0x4062ea3c > pc 0x4062eab8, sp 0x7fdffffd811 > pc 0x4062ecd0, sp 0x7fdffffd8d1 > pc 0x406397f0, sp 0x7fdffffd991 > pc 0x1121f8, sp 0x7fdffffda71 > pc 0x11bc4c, sp 0x7fdffffdb31 > pc 0x10fce8, sp 0x7fdffffdbf1 > pc 0x107e14, sp 0x7fdffffdcb1 > pc 0x106310, sp 0x7fdffffdd71 > pc 0x107160, sp 0x7fdffffde81 > pc 0x106360, sp 0x7fdffffe041 > pc 0x106284, sp 0x7fdffffe151 > pc 0x111c6c, sp 0x7fdffffe261 > pc 0x112118, sp 0x7fdffffe341 > pc 0x102bc4, sp 0x7fdffffe441 > pc 0x402258f4, sp 0x7fdffffe501 > done > > > ======================== > || null@pozo.com || > || || > ======================== > >