Date: Tue, 21 Nov 2000 16:11:15 +0200 From: Vallo Kallaste <vallo@myhakas.matti.ee> To: freebsd-current@freebsd.org Subject: lock order reversal messages? Message-ID: <20001121161115.A457@myhakas.matti.ee>
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Hi
Just got some while colleague used the bridge segment behind fxp1
interface.
Copyright (c) 1992-2000 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 #0: Tue Nov 21 15:22:26 EET 2000
vallo@myhakas.matti.ee:/usr/src/sys/compile/Myhakas.SMP
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (501.14-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x672 Stepping = 2
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 268435456 (262144K bytes)
avail memory = 257351680 (251320K bytes)
Programming 24 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
FreeBSD/SMP: Multiprocessor motherboard
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
Preloaded elf kernel "kernel" at 0xc03ba000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc03ba09c.
Pentium Pro MTRR support enabled
VESA: v2.0, 32768k memory, flags:0x1, mode table:0xc00c6954 (c0006954)
VESA: Matrox Graphics Inc.
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443GX host to PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443GX (440 GX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <Matrox MGA G400 AGP graphics accelerator> at 0.0 irq 16
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xffa0-0xffaf at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2
Timecounter "PIIX" frequency 3579545 Hz
pci0: <Intel 82371AB Power management controller> at 7.3
ahc0: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0xe400-0xe4ff mem 0xfebfc000-0xfebfcfff irq 16 at device 11.0 on pci0
aic7896/97: Wide Channel A, SCSI Id=7, 32/255 SCBs
ahc1: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0xe800-0xe8ff mem 0xfebff000-0xfebfffff irq 16 at device 11.1 on pci0
aic7896/97: Wide Channel B, SCSI Id=7, 32/255 SCBs
pcm0: <AudioPCI ES1371> port 0xed80-0xedbf irq 18 at device 12.0 on pci0
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xee80-0xeebf mem 0xfe800000-0xfe8fffff,0xfebfd000-0xfebfdfff irq 19 at device 13.0 on pci0
fxp0: Ethernet address 00:e0:81:10:50:32
fxp1: <Intel Pro 10/100B/100+ Ethernet> port 0xef00-0xef3f mem 0xfea00000-0xfeafffff,0xfebfe000-0xfebfefff irq 17 at device 15.0 on pci0
fxp1: Ethernet address 00:90:27:54:57:26
ed0: <NE2000 PCI Ethernet (RealTek 8029)> port 0xef80-0xef9f irq 18 at device 18.0 on pci0
ed0: address 00:e0:29:6d:14:19, type NE2000 (16 bit)
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <9 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0303> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0501> can't assign resources
unknown: <PNP0700> can't assign resources
unknown: <PNP0f13> can't assign resources
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: routing 8254 via IOAPIC #0 intpin 2
BRIDGE 990810, have 4 interfaces
-- index 1 type 6 phy 0 addrl 6 addr 00.e0.81.10.50.32
-- index 2 type 6 phy 0 addrl 6 addr 00.90.27.54.57.26
-- index 3 type 6 phy 0 addrl 6 addr 00.e0.29.6d.14.19
ad0: 14649MB <IBM-DTLA-307015> [29765/16/63] at ata0-master tagged UDMA33
ad1: 35772MB <IBM-DPTA-353750> [72680/16/63] at ata1-master tagged UDMA33
Waiting 5 seconds for SCSI devices to settle
Mounting root from ufs:/dev/da0s1a
da0 at ahc0 bus 0 target 1 lun 0
da0: <QUANTUM VIKING II 4.5WSE 5520> Fixed Direct Access SCSI-2 device
da0: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C)
da1 at ahc0 bus 0 target 2 lun 0
da1: <QUANTUM VIKING II 4.5WSE 5520> Fixed Direct Access SCSI-2 device
da1: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da1: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C)
da2 at ahc1 bus 0 target 1 lun 0
da2: <QUANTUM FIREBALL_TM3200S 300X> Fixed Direct Access SCSI-2 device
da2: 20.000MB/s transfers (20.000MHz, offset 15), Tagged Queueing Enabled
da2: 3067MB (6281856 512 byte sectors: 255H 63S/T 391C)
cd0 at ahc1 bus 0 target 0 lun 0
cd0: <TOSHIBA CD-ROM XM-6201TA 1030> Removable CD-ROM SCSI-2 device
cd0: 10.000MB/s transfers (10.000MHz, offset 16)
cd0: Attempt to query device size failed: NOT READY, Medium not present
SMP: AP CPU #1 Launched!
fxp0: promiscuous mode enabled
>> now fxp0 promisc ON if_flags 0xffff8943 bdg_flags 0x5
fxp1: promiscuous mode enabled
>> now fxp1 promisc ON if_flags 0xffff8943 bdg_flags 0x5
ed0: promiscuous mode enabled
>> now ed0 promisc ON if_flags 0xffff8943 bdg_flags 0x5
lock order reversal
1st fxp0 last acquired @ ../../pci/if_fxp.c:1130
2nd 0xc0f462f4 fxp1 @ ../../pci/if_fxp.c:974
3rd 0xc0f466f4 fxp0 @ ../../pci/if_fxp.c:823
--
Vallo Kallaste
vallo@matti.ee
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