From owner-freebsd-current Wed Nov 21 1:38: 3 2001 Delivered-To: freebsd-current@freebsd.org Received: from nelly.internal.irrelevant.org (irrelevant.demon.co.uk [158.152.220.121]) by hub.freebsd.org (Postfix) with ESMTP id 78DE337B405 for ; Wed, 21 Nov 2001 01:37:50 -0800 (PST) Received: from simond by nelly.internal.irrelevant.org with local (Exim 3.33 #1) id 166Tp9-0001Cm-00 for freebsd-current@Freebsd.org; Wed, 21 Nov 2001 09:37:43 +0000 Date: Wed, 21 Nov 2001 09:37:43 +0000 From: Simon Dick To: freebsd-current@Freebsd.org Subject: Lock order reversal while playing mp3s Message-ID: <20011121093743.E375@irrelevant.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="tjCHc7DPkfUGtrlw" Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --tjCHc7DPkfUGtrlw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I get the following lock order reversal when playing mp3s on my Vaio PCG-F807K laptop: lock order reversal 1st 0xc399a840 pcm0:play:0 @ /usr/src/sys/modules/sound/pcm/../../../dev/sound/pcm/dsp.c:936 2nd 0xc399ad80 pcm0 @ /usr/src/sys/modules/sound/pcm/../../../dev/sound/pcm/sound.c:132 simond@laptop:~$ cat /dev/sndstat FreeBSD Audio Driver (newpcm) Installed devices: pcm0: at memory 0xfedf8000 irq 9 (4p/2r/0v channels duplex default) My dmesg is attached. -- Simon Dick simond@irrelevant.org "Why do I get this urge to go bowling everytime I see Tux?" --tjCHc7DPkfUGtrlw Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="dmesg.txt" Copyright (c) 1992-2001 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.0-CURRENT #2: Thu Nov 15 16:31:01 GMT 2001 root@not.internal.irrelevant.org:/usr/obj/usr/src/sys/NOT Preloaded elf kernel "/boot/kernel/kernel" at 0xc04d5000. Preloaded elf module "/boot/kernel/acpi.ko" at 0xc04d50a8. Timecounter "i8254" frequency 1193182 Hz CPU: Pentium III/Pentium III Xeon/Celeron (730.81-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x683 Stepping = 3 Features=0x383fbff real memory = 1073676288 (1048512K bytes) avail memory = 1040375808 (1015992K bytes) Programming 24 pins in IOAPIC #0 IOAPIC #0 intpin 2 -> irq 0 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): apic id: 0, version: 0x00040011, at 0xfee00000 cpu1 (AP): apic id: 1, version: 0x00040011, at 0xfee00000 io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000 lock order reversal 1st 0xc03f7760 allproc @ /usr/src/sys/kern/kern_fork.c:343 2nd 0xc03b87b0 pool mutex @ /usr/src/sys/kern/kern_sx.c:329 lock order reversal 1st 0xc03f76e0 proctree @ /usr/src/sys/kern/kern_fork.c:573 2nd 0xc03b8750 pool mutex @ /usr/src/sys/kern/kern_sx.c:329 lock order reversal 1st 0xc03b77e0 fork list @ /usr/src/sys/kern/kern_fork.c:646 2nd 0xc03b8810 pool mutex @ /usr/src/sys/kern/kern_sx.c:204 Pentium Pro MTRR support enabled VESA: v3.0, 32768k memory, flags:0x1, mode table:0xc00c5477 (c0005477) VESA: Matrox Graphics Inc. Using $PIR table, 8 entries at 0xc00f7100 apm: Other PM system enabled. npx0: on motherboard npx0: INT 16 interface acpi0: on motherboard acpi0: power button is handled as a fixed feature programming model. Timecounter "ACPI" frequency 3579545 Hz acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0 acpi_cpu0: on acpi0 acpi_cpu1: on acpi0 acpi_tz0: on acpi0 acpi_button0: on acpi0 acpi_pcib0: port 0xcf8-0xcff on acpi0 pci0: on acpi_pcib0 agp0: mem 0xe0000000-0xe3ffffff at device 0.0 on pci0 pcib1: at device 1.0 on pci0 pci1: on pcib1 pci1: at device 0.0 (no driver attached) isab0: at device 7.0 on pci0 isa0: on isab0 atapci0: port 0xffa0-0xffaf at device 7.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 uhci0: port 0xc800-0xc81f irq 9 at device 7.2 on pci0 usb0: on uhci0 usb0: USB revision 1.0 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered uhci1: port 0xcc00-0xcc1f irq 9 at device 7.3 on pci0 usb1: on uhci1 usb1: USB revision 1.0 uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub1: 2 ports with 2 removable, self powered ichsmb0: at device 7.4 on pci0 device_probe_and_attach: ichsmb0 attach returned 6 ahc0: port 0xdc00-0xdcff mem 0xdffff000-0xdfffffff irq 10 at device 9.0 on pci0 aic7860: Ultra Single Channel A, SCSI Id=7, 3/255 SCBs ed0: port 0xd000-0xd01f irq 5 at device 10.0 on pci0 ed0: address 08:00:39:01:2b:90, type NE2000 (16 bit) pcm0: port 0xd400-0xd43f irq 9 at device 11.0 on pci0 tx0: port 0xd800-0xd8ff mem 0xdfffe000-0xdfffefff irq 11 at device 12.0 on pci0 miibus0: on tx0 qsphy0: on miibus0 qsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto tx0: address 00:e0:29:0b:d5:31, type SMC9432TX acpi_button1: on acpi0 atspeaker0 port 0x61 on acpi0 atkbdc0: port 0x64,0x60 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 fdc0: port 0x3f7,0x3f2-0x3f5 irq 6 on acpi0 fdc0: FIFO enabled, 8 bytes threshold fd0: <1440-KB 3.5" drive> on fdc0 drive 0 sio0 port 0x3f8-0x3ff irq 4 on acpi0 sio0: type 16550A, console sio1 port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A ppc0 port 0x778-0x77b,0x378-0x37f irq 7 on acpi0 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/8 bytes threshold lpt0: on ppbus0 lpt0: Interrupt-driven port ppi0: on ppbus0 atkbdc-: atkbdc0 already exists, skipping it fdc-: fdc0 already exists, skipping it sio-: sio0 already exists, skipping it sio-: sio1 already exists, skipping it vga-: vga0 already exists, skipping it orm0: