Date: Wed, 21 Nov 2001 10:25:00 +0000 From: Simon Dick <simond@irrelevant.org> To: freebsd-current@Freebsd.org Subject: Re: Lock order reversal while playing mp3s Message-ID: <20011121102500.H375@irrelevant.org> In-Reply-To: <20011121093743.E375@irrelevant.org>; from simond@irrelevant.org on Wed, Nov 21, 2001 at 09:37:43AM %2B0000 References: <20011121093743.E375@irrelevant.org>
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On Wed, Nov 21, 2001 at 09:37:43AM +0000, Simon Dick wrote:
> 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: <Yamaha DS-1E (YMF744)> at memory 0xfedf8000 irq 9 (4p/2r/0v channels duplex default)
>
> My dmesg is attached.
And now my *real* dmesg is attached :)
--
Simon Dick simond@irrelevant.org
"Why do I get this urge to go bowling everytime I see Tux?"
--lCAWRPmW1mITcIfM
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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 #1: Tue Nov 20 17:30:10 GMT 2001
root@laptop.internal.irrelevant.org:/usr/obj/usr/src/sys/LAPTOP
Preloaded elf kernel "/boot/kernel/kernel" at 0xc04fe000.
Preloaded elf module "/boot/kernel/cd9660.ko" at 0xc04fe0a8.
Preloaded elf module "/boot/kernel/msdosfs.ko" at 0xc04fe154.
Preloaded elf module "/boot/kernel/ntfs.ko" at 0xc04fe200.
Preloaded elf module "/boot/kernel/procfs.ko" at 0xc04fe2ac.
Preloaded elf module "/boot/kernel/md.ko" at 0xc04fe358.
Preloaded elf module "/boot/kernel/linux.ko" at 0xc04fe400.
Preloaded elf module "/boot/kernel/ipfw.ko" at 0xc04fe4ac.
Preloaded elf module "/boot/kernel/if_wi.ko" at 0xc04fe558.
Preloaded elf module "/boot/kernel/snd_ds1.ko" at 0xc04fe604.
Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc04fe6b0.
Preloaded elf module "/boot/kernel/usb.ko" at 0xc04fe75c.
Preloaded elf module "/boot/kernel/ugen.ko" at 0xc04fe804.
Preloaded elf module "/boot/kernel/uhid.ko" at 0xc04fe8b0.
Preloaded elf module "/boot/kernel/ums.ko" at 0xc04fe95c.
Preloaded elf module "/boot/kernel/umass.ko" at 0xc04fea04.
Preloaded elf module "/boot/kernel/agp.ko" at 0xc04feab0.
Preloaded elf module "/boot/kernel/atspeaker.ko" at 0xc04feb58.
Preloaded elf module "/boot/kernel/nfsclient.ko" at 0xc04fec08.
Preloaded elf module "/boot/kernel/fdc.ko" at 0xc04fecb8.
Preloaded elf module "/boot/kernel/if_ed.ko" at 0xc04fed60.
Preloaded elf module "/boot/kernel/miibus.ko" at 0xc04fee0c.
Preloaded elf module "/boot/kernel/snp.ko" at 0xc04feeb8.
Preloaded elf module "/boot/kernel/nmdm.ko" at 0xc04fef60.
Preloaded elf module "/boot/kernel/acpi.ko" at 0xc04ff00c.
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 645207024 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (645.21-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x686 Stepping = 6
Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 268369920 (262080K bytes)
avail memory = 255623168 (249632K bytes)
Pentium Pro MTRR support enabled
VESA: v2.0, 8128k memory, flags:0x0, mode table:0xc0328842 (1000022)
VESA: ATI MACH64
Using $PIR table, 8 entries at 0xc00fdf40
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <SONY K2 > on motherboard
Timecounter "ACPI" frequency 3579545 Hz
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x8008-0x800b on acpi0
acpi_cpu0: <CPU> on acpi0
acpi_tz0: <thermal zone> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_pcib0: <Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <PCI bus> on acpi_pcib0
agp0: <Intel 82443BX (440 BX) host to PCI bridge> mem 0x40000000-0x40ffffff at device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xfc90-0xfc9f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xfca0-0xfcbf irq 9 at device 7.2 on pci0
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
intpm0: <Intel 82371AB Power management controller> port 0x1040-0x104f irq 9 at device 7.3 on pci0
intpm0: I/O mapped 1040
intpm0: intr IRQ 9 enabled revision 0
smbus0: <System Management Bus> on intsmb0
smb0: <SMBus general purpose I/O> on smbus0
intpm0: PM I/O mapped 8000
pci0: <serial bus, FireWire> at device 8.0 (no driver attached)
pcm0: <Yamaha DS-1E (YMF744)> port 0xfc8c-0xfc8f,0xfcc0-0xfcff mem 0xfedf8000-0xfedfffff irq 9 at device 9.0 on pci0
pci0: <simple comms> at device 10.0 (no driver attached)
acpi_pcib0: device is routed to IRQ 9
pcic0: <Ricoh RL5C478 PCI-CardBus Bridge> irq 9 at device 12.0 on pci0
pcic0: PCI Memory allocated: 0x44000000
pccard0: <PC Card bus (classic)> on pcic0
acpi_pcib0: device is routed to IRQ 9
pcic1: <Ricoh RL5C478 PCI-CardBus Bridge> irq 9 at device 12.1 on pci0
pcic1: PCI Memory allocated: 0x44001000
pccard1: <PC Card bus (classic)> on pcic1
atspeaker0 port 0x61 on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model GlidePoint, device ID 0
acpi_ec0: <embedded controller> port 0x66,0x62 on acpi0
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A
ppc0 port 0x778-0x77a,0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
fdc0: <NEC 72065B or clone> port 0x3f7,0x3f0-0x3f5 irq 6 on acpi0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
acpi_cmbat0: <Control method Battery> on acpi0
acpi_cmbat1: <Control method Battery> on acpi0
acpi_acad0: <AC adapter> on acpi0
ata-: ata0 already exists, skipping it
ata-: ata1 already exists, skipping it
atkbdc-: atkbdc0 already exists, skipping it
fdc-: fdc0 already exists, skipping it
pcic-: pcic0 already exists, skipping it
pcic-: pcic1 already exists, skipping it
ppc-: ppc0 already exists, skipping it
sc-: sc0 already exists, skipping it
sio-: sio0 already exists, skipping it
vga-: vga0 already exists, skipping it
orm0: <Option ROM> at iomem 0xc0000-0xd3fff on isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x200>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
pmtimer0 on isa0
spic0: <Sony Programmable I/O Controller> at port 0x10a0-0x10a4 on isa0
IPFW: MOD_LOAD
IP packet filtering initialized, divert disabled, rule-based forwarding disabled, default to deny, logging disabled
IPsec: Initialized Security Association Processing.
acpi_cpu: CPU throttling enabled, 8 steps from 100% to 12.5%
pccard: card inserted, slot 0
ata1-slave: ata_command: timeout waiting for intr
ata1-slave: ATAPI identify failed
ad0: 11513MB <FUJITSU MHK2120AT> [23392/16/63] at ata0-master UDMA33
acd0: DVD-ROM <HITACHI DVD-ROM GD-S200> at ata1-master UDMA33
Mounting root from ufs:/dev/ad0s3a
wi0 at port 0x240-0x27f irq 9 slot 0 on pccard0
wi0: Ethernet address: 00:02:2d:27:de:3c
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
--lCAWRPmW1mITcIfM--
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