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Message-Id: <200804120633.m3C6XC9k015514@www.freebsd.org>
Date: Sat, 12 Apr 2008 06:33:12 GMT
From: Thomas Dean <tomdean@speakeasy.org>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Accessing /dev/cuaa0 causes system to freeze
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         122683
>Category:       kern
>Synopsis:       [sio] [hang] access to non-existent sio port /dev/cuaa0 causes system to freeze
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          analyzed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Apr 12 06:40:00 UTC 2008
>Closed-Date:    
>Last-Modified:  Wed Nov 25 11:06:04 UTC 2009
>Originator:     Thomas Dean
>Release:        6.2-stable
>Organization:
>Environment:
FreeBSD dv6000.tddhome 6.2-STABLE FreeBSD 6.2-STABLE #0: Fri Dec 28 18:13:02 PDT obj/sys/DV6000 i386
>Description:
Access /dev/cuaa0 by any means and the system freezes.  Does not respond to ping, keyboard, mouse, etc.
Power cycle to continue.

/etc/remote contains

cuad0c:dv=/dev/cuad0:br#9600:pa=none:
>How-To-Repeat:
# tip cuad0c
>Fix:


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: vwe 
State-Changed-When: Mon Apr 14 20:19:33 UTC 2008 
State-Changed-Why:  

please send us a verbose boot dmesg and the content of your /boot/device.hints. 
without knowing which device you're trying to access, please note the  
first serial port is /dev/cuad0 and not cuaa0 

http://www.freebsd.org/cgi/query-pr.cgi?pr=122683 

From: Volker Werth <vwe@freebsd.org>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Fwd: Re: kern/122683: Accessing /dev/cuaa0 causes system to freeze
Date: Tue, 15 Apr 2008 20:58:48 +0200

 The kernel is essentially GENERIC, including "device sio".  The machine
 does
 not have a serial port.  I ran an application from another machine which
 accessed /dev/cuad0.
 I can reproduce the problem with echo "asdf" > /dev/cuad0
 
 
 # dmesg
 Copyright (c) 1992-2007 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 is a registered trademark of The FreeBSD Foundation.
 FreeBSD 6.2-STABLE #2: Sat Sep 15 11:31:41 PDT 2007
    root@dv6000.tddhome:/scratch/obj/usr/usr/src/sys/SMP
 Preloaded elf kernel "boot/kernel.generic/kernel" at 0xc0b9f000.
 Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0b9f250.
 Calibrating clock(s) ... i8254 clock: 1193186 Hz
 CLK_USE_I8254_CALIBRATION not specified - using default frequency
 Timecounter "i8254" frequency 1193182 Hz quality 0
 Calibrating TSC clock ... TSC clock: 1995608550 Hz
 CPU: Intel(R) Core(TM) Duo CPU      T2450  @ 2.00GHz (1995.61-MHz 686-class
 CPU)
  Origin = "GenuineIntel"  Id = 0x6ec  Stepping = 12
  Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0xc189<SSE3,MON,EST,TM2,<b14>,<b15>>
  AMD Features=0x100000<NX>
  Cores per package: 2
 real memory  = 2137456640 (2038 MB)
 Physical memory chunk(s):
 0x0000000000001000 - 0x000000000009efff, 647168 bytes (158 pages)
 0x0000000000100000 - 0x00000000003fffff, 3145728 bytes (768 pages)
 0x0000000000c28000 - 0x000000007d24afff, 2086809600 bytes (509475 pages)
 avail memory = 2086514688 (1989 MB)
 MP Configuration Table version 1.4 found at 0xc009fd71
 Table 'FACP' at 0x7f683bf8
 Table 'APIC' at 0x7f683cec
 MADT: Found table at 0x7f683cec
 APIC: Using the MADT enumerator.
 MADT: Found CPU APIC ID 0 ACPI ID 0: enabled
 SMP: Added CPU 0 (AP)
 MADT: Found CPU APIC ID 1 ACPI ID 1: enabled
 SMP: Added CPU 1 (AP)
 INTR: Adding local APIC 0 as a target
 ACPI APIC Table: <HP     30BB    >
 INTR: Adding local APIC 1 as a target
 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
 bios32: Found BIOS32 Service Directory header at 0xc00f7cc0
 bios32: Entry = 0xfd610 (c00fd610)  Rev = 0  Len = 1
 pcibios: PCI BIOS entry at 0xfd610+0x273
 pnpbios: Found PnP BIOS data at 0xc00f7d30
 pnpbios: Entry = f0000:bde5  Rev = 1.0
 Other BIOS signatures found:
 APIC: CPU 0 has ACPI ID 0
 APIC: CPU 1 has ACPI ID 1
 MADT: Found IO APIC ID 1, Interrupt 0 at 0xfec00000
 ioapic0: Changing APIC ID to 1
 ioapic0: Routing external 8259A's -> intpin 0
 MADT: Interrupt override: source 0, irq 2
 ioapic0: Routing IRQ 0 -> intpin 2
 MADT: Interrupt override: source 9, irq 9
 ioapic0: intpin 9 trigger: level
 lapic0: Routing NMI -> LINT1
 lapic0: LINT1 trigger: edge
 lapic0: LINT1 polarity: high
 lapic1: Routing NMI -> LINT1
 lapic1: LINT1 trigger: edge
 lapic1: LINT1 polarity: high
 ioapic0 <Version 2.0> irqs 0-23 on motherboard
 cpu0 BSP:
     ID: 0x00000000   VER: 0x00050014 LDR: 0x00000000 DFR: 0xffffffff
  lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff
  timer: 0x000100ef therm: 0x00000200 err: 0x00010000 pcm: 0x00010000
 wlan: <802.11 Link Layer>
 ath_rate: version 1.2 <SampleRate bit-rate selection algorithm>
 random: <entropy source, Software, Yarrow>
 nfslock: pseudo-device
 io: <I/O>
 kbd: new array size 4
 kbd1 at kbdmux0
 mem: <memory>
 Pentium Pro MTRR support enabled
 null: <null device, zero device>
 ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
 rr232x: RocketRAID 232x controller driver v1.02 (Sep 15 2007 11:31:30)
 npx0: INT 16 interface
 acpi0: <HPQOEM SLIC-MPC> on motherboard
 ioapic0: routing intpin 9 (ISA IRQ 9) to vector 48
 acpi0: [MPSAFE]
 acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on
 acpi0
 acpi_hpet0: vend: 0x8086 rev: 0x1 num: 1 hz: 14318180 opts: leg_route
 count_size
 Timecounter "HPET" frequency 14318180 Hz quality 2000
 pci_open(1): mode 1 addr port (0x0cf8) is 0x8000fa20
 pci_open(1a): mode1res=0x80000000 (0x80000000)
 pci_cfgcheck: device 0 [class=060000] [hdr=00] is there (id=27a08086)
 pcibios: BIOS version 2.10
 acpi_bus_number: root bus has no _BBN, assuming 0
 AcpiOsDerivePciId: \\_SB_.PCI0.RP02.P2CS -> bus 0 dev 28 func 1
 acpi_bus_number: root bus has no _BBN, assuming 0
 AcpiOsDerivePciId: \\_SB_.PCI0.RP03.P3CS -> bus 0 dev 28 func 2
 acpi_bus_number: root bus has no _BBN, assuming 0
 AcpiOsDerivePciId: \\_SB_.PCI0.LPCB.LPC0 -> bus 0 dev 31 func 0
 acpi0: Power Button (fixed)
 acpi0: wakeup code va 0xda352000 pa 0x9d000
 acpi_bus_number: root bus has no _BBN, assuming 0
 AcpiOsDerivePciId: \\_SB_.PCI0.HBUS -> bus 0 dev 0 func 0
 acpi0: reservation of fed00000, 400 (3) failed
 ACPI timer: 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 -> 10
 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
 acpi_ec0: <Embedded Controller: GPE 0x17> port 0x62,0x66 on acpi0
 pci_link0:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0   11   N     0  11
  Validation          0   11   N     0  11
  After Disable       0  255   N     0  11
 pci_link1:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0    3   N     0  3
  Validation          0    3   N     0  3
  After Disable       0  255   N     0  3
 pci_link2:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0    3   N     0  3
  Validation          0    3   N     0  3
  After Disable       0  255   N     0  3
 pci_link3:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0    4   N     0  4
  Validation          0    4   N     0  4
  After Disable       0  255   N     0  4
 pci_link4:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0   10   N     0  10
  Validation          0   10   N     0  10
  After Disable       0  255   N     0  10
 pci_link5:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0  255   N     0  11
  Validation          0  255   N     0  11
  After Disable       0  255   N     0  11
 pci_link6:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0    5   N     0  5
  Validation          0    5   N     0  5
  After Disable       0  255   N     0  5
 pci_link7:        Index  IRQ  Rtd  Ref  IRQs
  Initial Probe       0    7   N     0  7
  Validation          0    7   N     0  7
  After Disable       0  255   N     0  7
 cpu0: <ACPI CPU> on acpi0
 acpi_throttle0: <ACPI CPU Throttling> on cpu0
 acpi_throttle0: P_CNT from P_BLK 0x1010
 cpu1: <ACPI CPU> on acpi0
 acpi_throttle1: <ACPI CPU Throttling> on cpu1
 acpi_throttle1: failed to attach P_CNT
 device_attach: acpi_throttle1 attach returned 6
 acpi_button0: <Power Button> on acpi0
 acpi_button1: <Sleep Button> on acpi0
 acpi_acad0: <AC Adapter> on acpi0
 battery0: <ACPI Control Method Battery> on acpi0
 acpi_lid0: <Control Method Lid Switch> on acpi0
 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
 pci0: <ACPI PCI bus> on pcib0
 pci0: physical bus=0
 found-> vendor=0x8086, dev=0x27a0, revid=0x03
 bus=0, slot=0, func=0
 class=06-00-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0106, statreg=0x2090, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 found-> vendor=0x8086, dev=0x27a2, revid=0x03
 bus=0, slot=2, func=0
 class=03-00-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0007, statreg=0x0090, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=11
 powerspec 2  supports D0 D3  current D0
 MSI supports 1 message
 map[10]: type 1, range 32, base d8100000, size 19, enabled
 map[14]: type 4, range 32, base 00001800, size  3, enabled
 map[18]: type 3, range 32, base c0000000, size 28, enabled
 map[1c]: type 1, range 32, base d8200000, size 18, enabled
 pcib0: matched entry for 0.2.INTA
 pcib0: slot 2 INTA hardwired to IRQ 16
 found-> vendor=0x8086, dev=0x27a6, revid=0x03
 bus=0, slot=2, func=1
 class=03-80-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0007, statreg=0x0090, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 powerspec 2  supports D0 D3  current D0
 map[10]: type 1, range 32, base d8180000, size 19, enabled
 found-> vendor=0x8086, dev=0x27d8, revid=0x02
 bus=0, slot=27, func=0
 class=04-03-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0006, statreg=0x0010, cachelnsz=16 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=5
 powerspec 2  supports D0 D3  current D0
 MSI supports 1 message, 64 bit
 map[10]: type 1, range 64, base d8240000, size 14, enabled
 pcib0: matched entry for 0.27.INTA
 pcib0: slot 27 INTA hardwired to IRQ 22
 found-> vendor=0x8086, dev=0x27d0, revid=0x02
 bus=0, slot=28, func=0
 class=06-04-00, hdrtype=0x01, mfdev=1
 cmdreg=0x0007, statreg=0x0010, cachelnsz=16 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x04 (1000 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=3
 powerspec 2  supports D0 D3  current D0
 MSI supports 1 message
 pcib0: matched entry for 0.28.INTA
 pcib0: slot 28 INTA hardwired to IRQ 17
 found-> vendor=0x8086, dev=0x27d2, revid=0x02
 bus=0, slot=28, func=1
 class=06-04-00, hdrtype=0x01, mfdev=1
 cmdreg=0x0007, statreg=0x0010, cachelnsz=16 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x04 (1000 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=11
 powerspec 2  supports D0 D3  current D0
 MSI supports 1 message
 pcib0: matched entry for 0.28.INTB
 pcib0: slot 28 INTB hardwired to IRQ 16
 found-> vendor=0x8086, dev=0x27c8, revid=0x02
 bus=0, slot=29, func=0
 class=0c-03-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=7
 map[20]: type 4, range 32, base 00001820, size  5, enabled
 pcib0: matched entry for 0.29.INTA
 pcib0: slot 29 INTA hardwired to IRQ 23
 found-> vendor=0x8086, dev=0x27c9, revid=0x02
 bus=0, slot=29, func=1
 class=0c-03-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=10
 map[20]: type 4, range 32, base 00001840, size  5, enabled
 pcib0: matched entry for 0.29.INTB
 pcib0: slot 29 INTB hardwired to IRQ 19
 found-> vendor=0x8086, dev=0x27ca, revid=0x02
 bus=0, slot=29, func=2
 class=0c-03-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=c, irq=3
 map[20]: type 4, range 32, base 00001860, size  5, enabled
 pcib0: matched entry for 0.29.INTC
 pcib0: slot 29 INTC hardwired to IRQ 18
 found-> vendor=0x8086, dev=0x27cb, revid=0x02
 bus=0, slot=29, func=3
 class=0c-03-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=d, irq=11
 map[20]: type 4, range 32, base 00001880, size  5, enabled
 pcib0: matched entry for 0.29.INTD
 pcib0: slot 29 INTD hardwired to IRQ 16
 found-> vendor=0x8086, dev=0x27cc, revid=0x02
 bus=0, slot=29, func=7
 class=0c-03-20, hdrtype=0x00, mfdev=0
 cmdreg=0x0006, statreg=0x0290, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=7
 powerspec 2  supports D0 D3  current D0
 map[10]: type 1, range 32, base d8444000, size 10, enabled
 pcib0: matched entry for 0.29.INTA
 pcib0: slot 29 INTA hardwired to IRQ 23
 found-> vendor=0x8086, dev=0x2448, revid=0xe2
 bus=0, slot=30, func=0
 class=06-04-01, hdrtype=0x01, mfdev=0
 cmdreg=0x0004, statreg=0x0010, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 found-> vendor=0x8086, dev=0x27b9, revid=0x02
 bus=0, slot=31, func=0
 class=06-01-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0007, statreg=0x0210, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 found-> vendor=0x8086, dev=0x27df, revid=0x02
 bus=0, slot=31, func=1
 class=01-01-8a, hdrtype=0x00, mfdev=0
 cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=255
 map[20]: type 4, range 32, base 00001810, size  4, enabled
 found-> vendor=0x8086, dev=0x27c5, revid=0x02
 bus=0, slot=31, func=2
 class=01-06-01, hdrtype=0x00, mfdev=0
 cmdreg=0x0007, statreg=0x02b0, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=4
 powerspec 2  supports D0 D3  current D0
 MSI supports 1 message
 map[10]: type 4, range 32, base 000018d0, size  3, enabled
 map[14]: type 4, range 32, base 000018c4, size  2, enabled
 map[18]: type 4, range 32, base 000018c8, size  3, enabled
 map[1c]: type 4, range 32, base 000018c0, size  2, enabled
 map[20]: type 4, range 32, base 000018b0, size  4, enabled
 map[24]: type 1, range 32, base d8444400, size 10, enabled
 pcib0: matched entry for 0.31.INTB
 pcib0: slot 31 INTB hardwired to IRQ 19
 found-> vendor=0x8086, dev=0x27da, revid=0x02
 bus=0, slot=31, func=3
 class=0c-05-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0001, statreg=0x0280, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=4
 map[20]: type 4, range 32, base 000018e0, size  5, enabled
 pcib0: matched entry for 0.31.INTB
 pcib0: slot 31 INTB hardwired to IRQ 19
 agp0: <Intel 82945GM (945GM GMCH) SVGA controller> port 0x1800-0x1807 mem
 0xd8100000-0xd817ffff,0xc0000000-0xcfffffff,0xd8200000-0xd823ffff irq 16 at
 device 2.0 on pci0
 agp0: Reserved 0x80000 bytes for rid 0x10 type 3 at 0xd8100000
 agp0: Reserved 0x80000 bytes for rid 0x10 type 3 at 0xd8100000
 agp0: Reserved 0x40000 bytes for rid 0x1c type 3 at 0xd8200000
 agp0: Reserved 0x10000000 bytes for rid 0x18 type 3 at 0xc0000000
 agp0: detected 7932k stolen memory
 agp0: aperture size is 256M
 pci0: <display> at device 2.1 (no driver attached)
 pci0: <multimedia> at device 27.0 (no driver attached)
 pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
 pcib1:   secondary bus     2
 pcib1:   subordinate bus   2
 pcib1:   I/O decode        0x2000-0x2fff
 pcib1:   memory decode     0xd6000000-0xd7ffffff
 pcib1:   prefetched decode 0xd2000000-0xd3ffffff
 pci2: <ACPI PCI bus> on pcib1
 pci2: physical bus=2
 found-> vendor=0x8086, dev=0x4222, revid=0x02
 bus=2, slot=0, func=0
 class=02-80-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0006, statreg=0x0010, cachelnsz=16 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=a, irq=11
 powerspec 2  supports D0 D3  current D0
 MSI supports 1 message, 64 bit
 map[10]: type 1, range 32, base d6000000, size 12, enabled
 pcib1: requested memory range 0xd6000000-0xd6000fff: good
 pcib1: matched entry for 2.0.INTA
 pcib1: slot 0 INTA hardwired to IRQ 16
 pci2: <network> at device 0.0 (no driver attached)
 pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.1 on pci0
 pcib2:   secondary bus     3
 pcib2:   subordinate bus   4
 pcib2:   I/O decode        0x3000-0x3fff
 pcib2:   memory decode     0xd4000000-0xd5ffffff
 pcib2:   prefetched decode 0xd0000000-0xd1ffffff
 pci3: <ACPI PCI bus> on pcib2
 pci3: physical bus=3
 uhci0: <UHCI (generic) USB controller> port 0x1820-0x183f irq 23 at device
 29.0 on pci0
 uhci0: Reserved 0x20 bytes for rid 0x20 type 4 at 0x1820
 ioapic0: routing intpin 23 (PCI IRQ 23) to vector 49
 uhci0: [GIANT-LOCKED]
 usb0: <UHCI (generic) 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
 uhci1: <UHCI (generic) USB controller> port 0x1840-0x185f irq 19 at device
 29.1 on pci0
 uhci1: Reserved 0x20 bytes for rid 0x20 type 4 at 0x1840
 ioapic0: routing intpin 19 (PCI IRQ 19) to vector 50
 uhci1: [GIANT-LOCKED]
 usb1: <UHCI (generic) USB controller> on uhci1
 usb1: USB revision 1.0
 uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 uhci2: <UHCI (generic) USB controller> port 0x1860-0x187f irq 18 at device
 29.2 on pci0
 uhci2: Reserved 0x20 bytes for rid 0x20 type 4 at 0x1860
 ioapic0: routing intpin 18 (PCI IRQ 18) to vector 51
 uhci2: [GIANT-LOCKED]
 usb2: <UHCI (generic) USB controller> on uhci2
 usb2: USB revision 1.0
 uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub2: 2 ports with 2 removable, self powered
 uhci3: <UHCI (generic) USB controller> port 0x1880-0x189f irq 16 at device
 29.3 on pci0
 uhci3: Reserved 0x20 bytes for rid 0x20 type 4 at 0x1880
 ioapic0: routing intpin 16 (PCI IRQ 16) to vector 52
 uhci3: [GIANT-LOCKED]
 usb3: <UHCI (generic) USB controller> on uhci3
 usb3: USB revision 1.0
 uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub3: 2 ports with 2 removable, self powered
 ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem
 0xd8444000-0xd84443ff
 irq 23 at device 29.7 on pci0
 ehci0: Reserved 0x400 bytes for rid 0x10 type 3 at 0xd8444000
 ehci0: [GIANT-LOCKED]
 usb4: EHCI version 1.0
 usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
 usb4: <Intel 82801GB/R (ICH7) USB 2.0 controller> on ehci0
 usb4: USB revision 2.0
 uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
 uhub4: 8 ports with 8 removable, self powered
 ugen0: Sonix Technology Co., Ltd. USB 2.0 Camera, rev 2.00/2.10, addr 2
 pcib3: <ACPI PCI-PCI bridge> at device 30.0 on pci0
 pcib3:   secondary bus     5
 pcib3:   subordinate bus   5
 pcib3:   I/O decode        0x0-0x0
 pcib3:   memory decode     0x0-0x0
 pcib3:   prefetched decode 0x0-0x0
 pcib3:   Subtractively decoded bridge.
 pci5: <ACPI PCI bus> on pcib3
 pci5: physical bus=5
 found-> vendor=0x1180, dev=0x0832, revid=0x00
 bus=5, slot=5, func=0
 class=0c-00-10, hdrtype=0x00, mfdev=1
 cmdreg=0x0006, statreg=0x0210, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x02 (500 ns), maxlat=0x04 (1000 ns)
 intpin=a, irq=11
 powerspec 2  supports D0 D1 D2 D3  current D0
 map[10]: type 1, range 32, base d8001000, size 11, enabled
 pcib3: requested memory range 0xd8001000-0xd80017ff: good
 pcib3: matched entry for 5.5.INTA
 pcib3: slot 5 INTA hardwired to IRQ 16
 found-> vendor=0x1180, dev=0x0822, revid=0x19
 bus=5, slot=5, func=1
 class=08-05-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0000, statreg=0x0210, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=3
 powerspec 2  supports D0 D1 D2 D3  current D0
 map[10]: type 1, range 32, base d8001800, size  8, memory disabled
 pcib3: requested memory range 0xd8001800-0xd80018ff: good
 pcib3: matched entry for 5.5.INTB
 pcib3: slot 5 INTB hardwired to IRQ 17
 found-> vendor=0x1180, dev=0x0843, revid=0x01
 bus=5, slot=5, func=2
 class=08-80-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0000, statreg=0x0210, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=3
 powerspec 2  supports D0 D1 D2 D3  current D0
 map[10]: type 1, range 32, base d8001c00, size  8, memory disabled
 pcib3: requested memory range 0xd8001c00-0xd8001cff: good
 pcib3: matched entry for 5.5.INTB
 pcib3: slot 5 INTB hardwired to IRQ 17
 found-> vendor=0x1180, dev=0x0592, revid=0x0a
 bus=5, slot=5, func=3
 class=08-80-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0000, statreg=0x0210, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=3
 powerspec 2  supports D0 D1 D2 D3  current D0
 map[10]: type 1, range 32, base d8002000, size  8, memory disabled
 pcib3: requested memory range 0xd8002000-0xd80020ff: good
 pcib3: matched entry for 5.5.INTB
 pcib3: slot 5 INTB hardwired to IRQ 17
 found-> vendor=0x1180, dev=0x0852, revid=0x05
 bus=5, slot=5, func=4
 class=08-80-00, hdrtype=0x00, mfdev=1
 cmdreg=0x0000, statreg=0x0210, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
 intpin=b, irq=3
 powerspec 2  supports D0 D1 D2 D3  current D0
 map[10]: type 1, range 32, base d8002400, size  8, memory disabled
 pcib3: requested memory range 0xd8002400-0xd80024ff: good
 pcib3: matched entry for 5.5.INTB
 pcib3: slot 5 INTB hardwired to IRQ 17
 found-> vendor=0x8086, dev=0x1092, revid=0x02
 bus=5, slot=8, func=0
 class=02-00-00, hdrtype=0x00, mfdev=0
 cmdreg=0x0003, statreg=0x0290, cachelnsz=0 (dwords)
 lattimer=0x00 (0 ns), mingnt=0x08 (2000 ns), maxlat=0x38 (14000 ns)
 intpin=a, irq=10
 powerspec 2  supports D0 D1 D2 D3  current D0
 map[10]: type 1, range 32, base d8000000, size 12, enabled
 pcib3: requested memory range 0xd8000000-0xd8000fff: good
 map[14]: type 4, range 32, base 00004000, size  6, enabled
 pcib3: matched entry for 5.8.INTA
 pcib3: slot 8 INTA hardwired to IRQ 20
 fwohci0: vendor=1180, dev=832
 fwohci0: vendor=1180, dev=832
 fwohci0: <1394 Open Host Controller Interface> mem 0xd8001000-0xd80017ff
 irq
 16 at device 5.0 on pci5
 fwohci0: Reserved 0x800 bytes for rid 0x10 type 3 at 0xd8001000
 fwohci0: [MPSAFE]
 fwohci0: OHCI version 1.10 (ROM=0)
 fwohci0: No. of Isochronous channels is 4.
 fwohci0: EUI64 00:24:1b:00:bb:30:23:00
 fwohci0: Phy 1394a available S400, 1 ports.
 fwohci0: Link S400, max_rec 2048 bytes.
 firewire0: <IEEE1394(FireWire) bus> on fwohci0
 fwe0: <Ethernet over FireWire> on firewire0
 if_fwe0: Fake Ethernet address: 02:24:1b:30:23:00
 fwe0: bpf attached
 fwe0: Ethernet address: 02:24:1b:30:23:00
 fwe0: if_start running deferred for Giant
 sbp0: <SBP-2/SCSI over FireWire> on firewire0
 fwohci0: Initiate bus reset
 fwohci0: BUS reset
 fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
 firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
 firewire0: bus manager 0 (me)
 pci5: <base peripheral> at device 5.1 (no driver attached)
 pci5: <base peripheral> at device 5.2 (no driver attached)
 pci5: <base peripheral> at device 5.3 (no driver attached)
 pci5: <base peripheral> at device 5.4 (no driver attached)
 fxp0: <Intel Pro/100 VE Network Connection> port 0x4000-0x403f mem
 0xd8000000-0xd8000fff irq 20 at device 8.0 on pci5
 fxp0: Reserved 0x1000 bytes for rid 0x10 type 3 at 0xd8000000
 fxp0: using memory space register mapping
 fxp0: PCI IDs: 8086 1092 103c 30bb 0002
 fxp0: Dynamic Standby mode is enabled
 miibus0: <MII bus> on fxp0
 inphy0: <i82562ET 10/100 media interface> on miibus0
 inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 fxp0: bpf attached
 fxp0: Ethernet address: 00:1b:24:49:da:97
 ioapic0: routing intpin 20 (PCI IRQ 20) to vector 53
 fxp0: [MPSAFE]
 isab0: <PCI-ISA bridge> at device 31.0 on pci0
 isa0: <ISA bus> on isab0
 atapci0: <Intel ICH7 UDMA100 controller> port
 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1810-0x181f at device 31.1 on pci0
 atapci0: Reserved 0x10 bytes for rid 0x20 type 4 at 0x1810
 ata0: <ATA channel 0> on atapci0
 atapci0: Reserved 0x8 bytes for rid 0x10 type 4 at 0x1f0
 atapci0: Reserved 0x1 bytes for rid 0x14 type 4 at 0x3f6
 ata0: reset tp1 mask=03 ostat0=50 ostat1=00
 ata0: stat0=0x00 err=0x01 lsb=0x14 msb=0xeb
 ata0: stat1=0x00 err=0x00 lsb=0x00 msb=0x00
 ata0: reset tp2 stat0=00 stat1=00 devices=0x4<ATAPI_MASTER>
 ioapic0: routing intpin 14 (ISA IRQ 14) to vector 54
 ata0: [MPSAFE]
 ata1: <ATA channel 1> on atapci0
 atapci0: Reserved 0x8 bytes for rid 0x18 type 4 at 0x170
 atapci0: Reserved 0x1 bytes for rid 0x1c type 4 at 0x376
 ata1: reset tp1 mask=00 ostat0=ff ostat1=ff
 ioapic0: routing intpin 15 (ISA IRQ 15) to vector 55
 ata1: [MPSAFE]
 atapci1: <Intel ICH7M SATA300 controller> port
 0x18d0-0x18d7,0x18c4-0x18c7,0x18c8-0x18cf,0x18c0-0x18c3,0x18b0-0x18bf mem
 0xd8444400-0xd84447ff irq 19 at device 31.2 on pci0
 atapci1: Reserved 0x10 bytes for rid 0x20 type 4 at 0x18b0
 atapci1: [MPSAFE]
 atapci1: Reserved 0x400 bytes for rid 0x24 type 3 at 0xd8444400
 atapci1: AHCI Version 01.10 controller with 4 ports detected
 ata2: <ATA channel 0> on atapci1
 ata2: SATA connect ready time=0ms
 ata2: sata_connect devices=0x1<ATA_MASTER>
 ata2: [MPSAFE]
 ata3: <ATA channel 1> on atapci1
 ata3: SATA connect status=00000000
 ata3: [MPSAFE]
 ata4: <ATA channel 2> on atapci1
 ata4: SATA connect status=00000000
 ata4: [MPSAFE]
 ata5: <ATA channel 3> on atapci1
 ata5: SATA connect status=00000000
 ata5: [MPSAFE]
 pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
 acpi_tz0: <Thermal Zone> on acpi0
 atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
 atkbd0: <AT Keyboard> irq 1 on atkbdc0
 atkbd: the current kbd controller command byte 0047
 atkbd: keyboard ID 0x41ab (2)
 kbd0 at atkbd0
 kbd0: atkbd0, AT 101/102 (2), config:0x0, flags:0x3d0000
 ioapic0: routing intpin 1 (ISA IRQ 1) to vector 56
 atkbd0: [GIANT-LOCKED]
 psm0: unable to allocate IRQ
 psmcpnp0: <PS/2 mouse port> irq 12 on acpi0
 psm0: current command byte:0047
 psm0: <PS/2 Mouse> irq 12 on atkbdc0
 ioapic0: routing intpin 12 (ISA IRQ 12) to vector 57
 psm0: [GIANT-LOCKED]
 psm0: model IntelliMouse, device ID 3-00, 3 buttons
 psm0: config:00000000, flags:00000008, packet size:4
 psm0: syncmask:08, syncbits:00
 unknown: status reg test failed ff
 unknown: status reg test failed ff
 unknown: status reg test failed ff
 unknown: status reg test failed ff
 unknown: status reg test failed ff
 unknown: status reg test failed ff
 ex_isa_identify()
 ata: ata0 already exists; skipping it
 ata: ata1 already exists; skipping it
 atkbdc: atkbdc0 already exists; skipping it
 pnp_identify: Trying Read_Port at 203
 pnp_identify: Trying Read_Port at 243
 pnp_identify: Trying Read_Port at 283
 pnp_identify: Trying Read_Port at 2c3
 pnp_identify: Trying Read_Port at 303
 pnp_identify: Trying Read_Port at 343
 pnp_identify: Trying Read_Port at 383
 pnp_identify: Trying Read_Port at 3c3
 PNP Identify complete
 sc: sc0 already exists; skipping it
 vga: vga0 already exists; skipping it
 isa_probe_children: disabling PnP devices
 isa_probe_children: probing non-PnP devices
 pmtimer0 on isa0
 orm0: <ISA Option ROMs> at iomem
 0xce800-0xcffff,0xdf000-0xdf7ff,0xe0000-0xe17ff on isa0
 adv0: not probed (disabled)
 aha0: not probed (disabled)
 aic0: not probed (disabled)
 bt0: not probed (disabled)
 cs0: not probed (disabled)
 ed0: not probed (disabled)
 fdc0 failed to probe at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
 fe0: not probed (disabled)
 ie0: not probed (disabled)
 lnc0: not probed (disabled)
 ppc0: parallel port not found.
 ppc0: <Parallel port> failed to probe at irq 7 on isa0
 sc0: <System console> at flags 0x100 on isa0
 sc0: VGA <16 virtual consoles, flags=0x300>
 sc0: fb0, kbd1, terminal emulator: sc (syscons terminal)
 sio0: configured irq 4 not in bitmap of probed irqs 0
 sio0: port may not be enabled
 sio0: irq maps: 0xeb9 0xeb9 0xeb9 0xeb9
 sio0: probe failed test(s): 0 1 2 4 6 7 9
 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
 sio0: type 8250 or not responding
 ioapic0: routing intpin 4 (ISA IRQ 4) to vector 58
 sio1: configured irq 3 not in bitmap of probed irqs 0
 sio1: port may not be enabled
 sio1: irq maps: 0xeb9 0xeb9 0xeb9 0xeb9
 sio1: probe failed test(s): 0 1 2 4 6 7 9
 sio1 failed to probe at port 0x2f8-0x2ff irq 3 on isa0
 sio2: not probed (disabled)
 sio3: not probed (disabled)
 sn0: not probed (disabled)
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
 vt0: not probed (disabled)
 isa_probe_children: probing PnP devices
 Device configuration finished.
 Reducing kern.maxvnodes 133764 -> 100000
 procfs registered
 lapic: Divisor 2, Frequency 66520294 hz
 Timecounter "TSC" frequency 1995608550 Hz quality -100
 Timecounters tick every 1.000 msec
 lo0: bpf attached
 rr232x: no controller detected.
 acpi_acad0: acline initialization start
 acpi_acad0: On Line
 acpi_acad0: acline initialization done, tried 1 times
 battery0: battery initialization start
 ata0-master: pio=PIO4 wdma=WDMA2 udma=UNSUPPORTED cable=40 wire
 acd0: setting PIO4 on ICH7 chip
 acd0: <MATSHITADVD-RAM UJ-851S/1.50> DVDR drive at ata0 as master
 acd0: read 4134KB/s (4134KB/s) write 4134KB/s (4134KB/s), 2048KB buffer,
 PIO4
 acd0: Reads: CDR, CDRW, CDDA stream, DVDROM, DVDR, DVDRAM, packet
 acd0: Writes: CDR, CDRW, DVDR, DVDRAM, test write, burnproof
 acd0: Audio: play, 256 volume levels
 acd0: Mechanism: ejectable tray, unlocked
 acd0: Medium: CD-R 120mm data disc
 ata2-master: pio=PIO4 wdma=WDMA2 udma=UDMA100 cable=40 wire
 ad4: 152627MB <TOSHIBA MK1637GSX DL032C> at ata2-master SATA150
 ad4: 312581808 sectors [310101C/16H/63S] 16 sectors/interrupt 1 depth queue
 battery0: battery initialization done, tried 1 times
 ad4: Intel check1 failed
 ad4: Adaptec check1 failed
 ad4: LSI (v3) check1 failed
 ad4: LSI (v2) check1 failed
 ad4: FreeBSD check1 failed
 GEOM: new disk ad4
 (probe0:sbp0:0:0:0): error 22
 (probe0:sbp0:0:0:0): Unretryable Error
 (probe1:sbp0:0:1:0): error 22
 (probe1:sbp0:0:1:0): Unretryable Error
 (probe2:sbp0:0:2:0): error 22
 (probe2:sbp0:0:2:0): Unretryable Error
 (probe3:sbp0:0:3:0): error 22
 (probe3:sbp0:0:3:0): Unretryable Error
 (probe4:sbp0:0:4:0): error 22
 (probe4:sbp0:0:4:0): Unretryable Error
 (probe5:sbp0:0:5:0): error 22
 (probe5:sbp0:0:5:0): Unretryable Error
 (probe6:sbp0:0:6:0): error 22
 (probe6:sbp0:0:6:0): Unretryable Error
 ATA PseudoRAID loaded
 SMP: AP CPU #1 Launched!
 cpu1 AP:
     ID: 0x01000000   VER: 0x00050014 LDR: 0x00000000 DFR: 0xffffffff
  lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff
  timer: 0x000200ef therm: 0x00010200 err: 0x00010000 pcm: 0x00010000
 ioapic0: Assigning ISA IRQ 1 to local APIC 0
 ioapic0: Assigning ISA IRQ 4 to local APIC 1
 ioapic0: Assigning ISA IRQ 9 to local APIC 0
 ioapic0: Assigning ISA IRQ 12 to local APIC 1
 ioapic0: Assigning ISA IRQ 14 to local APIC 0
 ioapic0: Assigning ISA IRQ 15 to local APIC 1
 ioapic0: Assigning PCI IRQ 16 to local APIC 0
 ioapic0: Assigning PCI IRQ 18 to local APIC 1
 ioapic0: Assigning PCI IRQ 19 to local APIC 0
 ioapic0: Assigning PCI IRQ 20 to local APIC 1
 ioapic0: Assigning PCI IRQ 23 to local APIC 0
 Trying to mount root from ufs:/dev/ad4s1a
 start_init: trying /sbin/init
 Linux ELF exec handler installed
 linprocfs registered
 
 
 # cat /boot/device.hints
 # $FreeBSD: src/sys/i386/conf/GENERIC.hints,v 1.14 2005/01/14 06:54:59 imp
 Exp $
 hint.fdc.0.at="isa"
 hint.fdc.0.port="0x3F0"
 hint.fdc.0.irq="6"
 hint.fdc.0.drq="2"
 hint.fd.0.at="fdc0"
 hint.fd.0.drive="0"
 hint.fd.1.at="fdc0"
 hint.fd.1.drive="1"
 hint.ata.0.at="isa"
 hint.ata.0.port="0x1F0"
 hint.ata.0.irq="14"
 hint.ata.1.at="isa"
 hint.ata.1.port="0x170"
 hint.ata.1.irq="15"
 hint.adv.0.at="isa"
 hint.adv.0.disabled="1"
 hint.bt.0.at="isa"
 hint.bt.0.disabled="1"
 hint.aha.0.at="isa"
 hint.aha.0.disabled="1"
 hint.aic.0.at="isa"
 hint.aic.0.disabled="1"
 hint.atkbdc.0.at="isa"
 hint.atkbdc.0.port="0x060"
 hint.atkbd.0.at="atkbdc"
 hint.atkbd.0.irq="1"
 hint.psm.0.at="atkbdc"
 hint.psm.0.irq="12"
 hint.vga.0.at="isa"
 hint.sc.0.at="isa"
 hint.sc.0.flags="0x100"
 hint.vt.0.at="isa"
 hint.vt.0.disabled="1"
 hint.apm.0.disabled="1"
 hint.apm.0.flags="0x20"
 hint.sio.0.at="isa"
 hint.sio.0.port="0x3F8"
 hint.sio.0.flags="0x10"
 hint.sio.0.irq="4"
 hint.sio.1.at="isa"
 hint.sio.1.port="0x2F8"
 hint.sio.1.irq="3"
 hint.sio.2.at="isa"
 hint.sio.2.disabled="1"
 hint.sio.2.port="0x3E8"
 hint.sio.2.irq="5"
 hint.sio.3.at="isa"
 hint.sio.3.disabled="1"
 hint.sio.3.port="0x2E8"
 hint.sio.3.irq="9"
 hint.ppc.0.at="isa"
 hint.ppc.0.irq="7"
 hint.ed.0.at="isa"
 hint.ed.0.disabled="1"
 hint.ed.0.port="0x280"
 hint.ed.0.irq="10"
 hint.ed.0.maddr="0xd8000"
 hint.cs.0.at="isa"
 hint.cs.0.disabled="1"
 hint.cs.0.port="0x300"
 hint.sn.0.at="isa"
 hint.sn.0.disabled="1"
 hint.sn.0.port="0x300"
 hint.sn.0.irq="10"
 hint.ie.0.at="isa"
 hint.ie.0.disabled="1"
 hint.ie.0.port="0x300"
 hint.ie.0.irq="10"
 hint.ie.0.maddr="0xd0000"
 hint.fe.0.at="isa"
 hint.fe.0.disabled="1"
 hint.fe.0.port="0x300"
 hint.lnc.0.at="isa"
 hint.lnc.0.disabled="1"
 hint.lnc.0.port="0x280"
 hint.lnc.0.irq="10"
 hint.lnc.0.drq="0"
 
State-Changed-From-To: feedback->open 
State-Changed-By: vwe 
State-Changed-When: Tue Apr 15 19:26:16 UTC 2008 
State-Changed-Why:  

feedback received by private mail and posted to the audit trail. 
The problem here is, the kernel is being instructed by /boot/device.hints 
to enable the 1st serial device cuad0 (by default) but no hardware is being 
found. The created character device /dev/cuad0 goes into nowhere and the 
system is freezing on access. 
It's easy to solve (by disabling hint.sio.0) in device.hints or attach it 
to the ACPI bus but the default setting causes the system to freeze 
while there's no COM port. 
We'll see things like that in the near future as more systems are 
being shipped w/o serial ports anymore. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=122683 
State-Changed-From-To: open->analyzed 
State-Changed-By: vwe 
State-Changed-When: Thu May 8 23:11:54 UTC 2008 
State-Changed-Why:  


http://www.freebsd.org/cgi/query-pr.cgi?pr=122683 
>Unformatted:
