permission denied on /dev/ttyd0
Yousef Raffah
yraffah at savola.com
Sun Jul 2 11:06:42 UTC 2006
On Sat, 2006-07-01 at 20:55 +0300, Yousef Raffah wrote:
> Hello..
>
> It's kinda strange though but I am getting a permission denied when I
> try to read from the /dev/ttyd0 device although I have:
>
> crw------- 1 root wheel 0, 75 Jul 1 20:49 /dev/ttyd0
> crw------- 1 root wheel 0, 76 Jul 1 20:45 /dev/ttyd0.init
> crw------- 1 root wheel 0, 77 Jul 1 20:45 /dev/ttyd0.lock
>
I really can't understand what is causing this, anyone?
I just thought of adding my dmesg output in case it makes a difference:
Copyright (c) 1992-2006 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 6.1-RELEASE-p1 #0: Sat Jul 1 19:30:56 AST 2006
root at redevil:/usr/obj/usr/src/sys/LAPTOP
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) M processor 1.86GHz (1862.01-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x6d8 Stepping = 8
Features=0xafe9f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,
MMX,FXSR,SSE,SSE2,SS,TM,PBE>
Features2=0x180<EST,TM2>
real memory = 536735744 (511 MB)
avail memory = 515883008 (491 MB)
kbd1 at kbdmux0
cpu0 on motherboard
pcib0: <Host to PCI bridge> pcibus 0 on motherboard
pir0: <PCI Interrupt Routing Table: 12 Entries> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <PCIBIOS PCI-PCI bridge> irq 11 at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
pcib2: <PCIBIOS PCI-PCI bridge> irq 10 at device 28.0 on pci0
pci2: <PCI bus> on pcib2
pci2: <network, ethernet> at device 0.0 (no driver attached)
pcib3: <PCIBIOS PCI-PCI bridge> irq 11 at device 28.1 on pci0
pci3: <PCI bus> on pcib3
uhci0: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A> port
0x1200-0x121f irq 11 at device 29.
0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A> 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: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B> port
0x1220-0x123f irq 11 at device 29.
1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B> 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: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C> port
0x1240-0x125f irq 11 at device 29.
2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C> 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: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D> port
0x1260-0x127f irq 11 at device 29.
3 on pci0
uhci3: [GIANT-LOCKED]
usb3: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D> 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 82801FB (ICH6) USB 2.0 controller> mem
0xf4000000-0xf40003ff irq 11 at device 29.7 on
pci0
ehci0: [GIANT-LOCKED]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <Intel 82801FB (ICH6) 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
pcib4: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
pci6: <PCI bus> on pcib4
iwi0: <Intel(R) PRO/Wireless 2200BG> mem 0xb000b000-0xb000bfff irq 11 at
device 4.0 on pci6
iwi0: Ethernet address: 00:12:f0:63:ae:ca
cbb0: <PCI-CardBus Bridge> mem 0x13000000-0x13000fff at device 6.0 on
pci6
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
fwohci0: <1394 Open Host Controller Interface> mem
0xb0000000-0xb00007ff,0xb0004000-0xb0007fff irq 1
1 at device 6.2 on pci6
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:08:0d:a0:d1:bf:aa:e1
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: node_id=0xc000ffc0, gen=2, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
fwohci0: phy int
pci6: <mass storage> at device 6.3 (no driver attached)
pci6: <base peripheral> at device 6.4 (no driver attached)
pcm0: <Intel ICH6 (82801FB)> port 0xe000-0xe0ff,0xe100-0xe13f mem
0xd0000000-0xd00001ff,0xd0000200-0
xd00002ff irq 10 at device 30.2 on pci0
pcm0: <Analog Devices AD1981B AC97 Codec>
pci0: <simple comms, generic modem> at device 30.3 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH6 SATA150 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1100-0x110f at d
evice 31.2 on pci0
atapci0: failed to enable memory mapping!
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem
0xc0000-0xcffff,0xe0000-0xe1fff,0xe5000-0xe5fff,0xeb000-0xeffff on
isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 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: <PNP0c01> can't assign resources (memory)
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0f13> can't assign resources (irq)
unknown: <PNP0501> can't assign resources (port)
unknown: <SMCf010> can't assign resources (port)
unknown: <PNP0401> can't assign resources (port)
Timecounters tick every 1.000 msec
ad0: 76319MB <FUJITSU MHT2080AT 0022> at ata0-master UDMA100
acd0: DVDR <MATSHITADVD-RAM UJ-831S/1.40> at ata1-master UDMA33
cd0 at ata1 bus 0 target 0 lun 0
cd0: <MATSHITA DVD-RAM UJ-831S 1.40> Removable CD-ROM SCSI-0 device
cd0: 33.000MB/s transfers
cd0: cd present [1790992 x 2048 byte records]
Trying to mount root from ufs:/dev/ad0s2a
> Any idea what could be the reason?
>
> Using FreeBSD 6.1-RELEASE-p1
>
> Below is my kernel configuration file:
>
> machine i386
> cpu I686_CPU
> ident LAPTOP
>
>
> makeoptions DEBUG=-g # Build kernel with gdb(1) debug
> symbols
>
> options SCHED_4BSD # 4BSD scheduler
> options PREEMPTION # Enable kernel thread
> preemption
> options INET # InterNETworking
> options FFS # Berkeley Fast Filesystem
> options SOFTUPDATES # Enable FFS soft updates
> support
> options UFS_ACL # Support for access control
> lists
> options UFS_DIRHASH # Improve performance on big
> directories
> options MD_ROOT # MD is a potential root device
> options NFSCLIENT # Network Filesystem Client
> options NFSSERVER # Network Filesystem Server
> options NFS_ROOT # NFS usable as /, requires
> NFSCLIENT
> options MSDOSFS # MSDOS Filesystem
> options CD9660 # ISO 9660 Filesystem
> options PROCFS # Process filesystem (requires
> PSEUDOFS)
> options PSEUDOFS # Pseudo-filesystem framework
> options GEOM_GPT # GUID Partition Tables.
> options COMPAT_43 # Compatible with BSD 4.3 [KEEP
> THIS!]
> options COMPAT_FREEBSD4 # Compatible with FreeBSD4
> options COMPAT_FREEBSD5 # Compatible with FreeBSD5
> options SCSI_DELAY=5000 # Delay (in ms) before probing
> SCSI
> options KTRACE # ktrace(1) support
> options SYSVSHM # SYSV-style shared memory
> options SYSVMSG # SYSV-style message queues
> options SYSVSEM # SYSV-style semaphores
> options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time
> extensions
> options KBD_INSTALL_CDEV # install a CDEV entry in /dev
> options AHC_REG_PRETTY_PRINT # Print register bitfields in
> debug
> # output. Adds ~128k to driver.
> options AHD_REG_PRETTY_PRINT # Print register bitfields in
> debug
> # output. Adds ~215k to driver.
> options ADAPTIVE_GIANT # Giant mutex is adaptive.
>
> device apic # I/O APIC
>
> device eisa
> device pci
>
> device ata
> device atadisk # ATA disk drives
> device atapicd # ATAPI CDROM drives
> options ATA_STATIC_ID # Static device numbering
>
>
>
> device scbus # SCSI bus (required for SCSI)
> device ch # SCSI media changers
> device da # Direct Access (disks)
> device cd # CD
> device pass # Passthrough device (direct SCSI
> access)
> device ses # SCSI Environmental Services (and
> SAF-TE)
>
> device atkbdc # AT keyboard controller
> device atkbd # AT keyboard
> device psm # PS/2 mouse
>
> device kbdmux # keyboard multiplexer
>
> device vga # VGA video card driver
>
> device splash # Splash screen and screen saver support
>
> device sc
> device agp # support several AGP chipsets
>
> device apm
> device pmtimer
>
> device cbb # cardbus (yenta) bridge
> device pccard # PC Card (16-bit) bus
> device cardbus # CardBus (32-bit) bus
>
> device ppc
> device ppbus # Parallel port bus (required)
> device lpt # Printer
> device ppi # Parallel port interface device
>
>
> device miibus # MII bus support
>
> device wlan # 802.11 support
> device wi # WaveLAN/Intersil/Symbol 802.11
> wireless NICs.
>
> device loop # Network loopback
> device random # Entropy device
> device ether # Ethernet support
> device ppp # Kernel PPP
> device tun # Packet tunnel.
> device pty # Pseudo-ttys (telnet etc)
> device md # Memory "disks"
>
> device bpf # Berkeley packet filter
>
> device uhci # UHCI PCI->USB interface
> device ohci # OHCI PCI->USB interface
> device ehci # EHCI PCI->USB interface (USB 2.0)
> device usb # USB Bus (required)
> device ugen # Generic
> device uhid # "Human Interface Devices"
> device ukbd # Keyboard
> device ulpt # Printer
> device umass # Disks/Mass storage - Requires scbus
> and da
> device ums # Mouse
>
> device firewire # FireWire bus code
> device sbp # SCSI over FireWire (Requires scbus and
> da)
>
> device sio # Added for serial ports
> device atapicam # Added to burn dvds with cdrecord
>
--
Sincerely,
Yousef Raffah
Senior Systems Administrator
--
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