From owner-freebsd-current@FreeBSD.ORG Thu Jun 9 06:16:02 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 74C5616A41C for ; Thu, 9 Jun 2005 06:16:02 +0000 (GMT) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.FreeBSD.org (Postfix) with ESMTP id A611943D4C for ; Thu, 9 Jun 2005 06:16:00 +0000 (GMT) (envelope-from avg@icyb.net.ua) Received: from [212.40.38.87] (oddity-e.topspin.kiev.ua [212.40.38.87]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id JAA06190 for ; Thu, 09 Jun 2005 09:15:56 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <42A7DE9B.9010702@icyb.net.ua> Date: Thu, 09 Jun 2005 09:15:55 +0300 From: Andriy Gapon User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050328) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: text/plain; charset=KOI8-U Content-Transfer-Encoding: 7bit Subject: LOR: "ata state lock" and "user map" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Thu, 09 Jun 2005 06:16:02 -0000 NOTE: CURRENT was run under qemu emulation, CDROM was emulated from iso image on HDD. Got this LOR today with CURRENT built 3 days ago while trying to execute a linux program located on a CD. Several days ago trying to do the same on 5.4-RELEASE (without any debug options in kernel) on real hardware caused a hardlock. System: 6.0-CURRENT i386 debug.mpsafevm=1 LOR message had this information: 1st 0xc0eb44e8 ATA state lock ata-all.c:297 2nd 0xc0c1f344 user map vm_map.c:2997 Sources: ata-all.c 1.252 /vm_map.c 1.366 Interesting part of stack trace (not sure how useful it is): #18 0x0000000c in ?? () #19 0x00000002 in ?? () #20 0xc0455a15 in ata_pio_read (request=0xc107b0c8, length=2048) at cpufunc.h:229 #21 0xc045646c in ata_end_transaction (request=0xc107b0c8) at /usr/src/sys/dev/ata/ata-lowlevel.c:393 #22 0xc0447659 in ata_interrupt (data=0xc0eb4400) at /usr/src/sys/dev/ata/ata-all.c:323 #23 0xc04b5360 in ithread_loop (arg=0xc0eb9600) at /usr/src/sys/kern/kern_intr.c:546 #24 0xc04b46fd in fork_exit (callout=0xc04b51bc , arg=0xc0eb9600, frame=0xc7b41d38) at /usr/src/sys/kern/kern_fork.c:789 #25 0xc05df18c in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:208 Please let me know what additional information I can provide. -- Andriy Gapon