[Sussex] SUBJECT INSERTED: DVB/MythTV Troubles.

Wed Sep 28 09:40:33 UTC 2005

On Wed, 2005-09-28 at 08:40 +0100, Paul Graydon wrote:
> I think I'm going to go insane.. I've been bashing my head against a
> brick wall trying to get a DVB Linux box going. After frustrations with
> RHEL4, which my boss preferred me to use so that we standardised on
> site, I managed to agree with him that I'd switch to Slackware, a distro
> I'm a lot more comfortable in, and can generally trust to do things in
> the proper way rather than the RedHat way. Redhat just seems to adopt
> its own approaches to standards, and I just spent ages trying to work my
> way around circular dependences.
> 
> Anyway, made some good progress with this box now I'm under Slackware.
> Custom compiled kernel is setup just to use the drivers for this system,
> including that for the pair of AVermedia DVB-T 771 cards I've got
> installed.
> 
> But I seem to be hitting a brick wall.  Mythtv, nor the linuxtv-dvb-apps
> seem able to see / talk to the dvb device.
> 
> By default, the system tries to create the devices in the root of /dev,
> in the style /dev/dvb0.frontend0. I came across that on my box I setup
> at home and after digging up a good guide on udev editing, corrected it
> to point at the /dev/dvb/adaptor0/frontend0 that the linuxtv-dvb-apps
> and mythtv seem to want. That works fine at home.  This box seems to be
> happy to use similar rules, and has created the devices where I asked,
> but still the system won't talk to it.
> 
> To try and be helpful the following is the output from dmesg:
> 
> Linux version 2.6.13 (root at dvb) (gcc version 3.3.6) #3 SMP Tue Sep 27
> 12:17:23 BST 2005
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
> BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000001f740000 (usable)
> BIOS-e820: 000000001f740000 - 000000001f750000 (ACPI data)
> BIOS-e820: 000000001f750000 - 000000001f800000 (ACPI NVS)
> 503MB LOWMEM available.
> found SMP MP-table at 000ff780
> On node 0 totalpages: 128832
> DMA zone: 4096 pages, LIFO batch:1
> Normal zone: 124736 pages, LIFO batch:31
> HighMem zone: 0 pages, LIFO batch:1
> DMI 2.3 present.
> ACPI: RSDP (v000 ACPIAM ) @ 0x000f77a0
> ACPI: RSDT (v001 INTEL D845GVS1 0x20050316 MSFT 0x00000097) @ 0x1f740000
> ACPI: FADT (v001 INTEL D845GVS1 0x20050316 MSFT 0x00000097) @ 0x1f740200
> ACPI: MADT (v001 INTEL D845GVS1 0x20050316 MSFT 0x00000097) @ 0x1f740300
> ACPI: ASF! (v016 AMIASF I845GASF 0x00000001 MSFT 0x0100000d) @
> 0x1f7444d0
> ACPI: DSDT (v001 INTEL D845GVS1 0x0000010a MSFT 0x0100000d) @ 0x00000000
> ACPI: PM-Timer IO Port: 0x408
> ACPI: Local APIC address 0xfee00000
> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> Processor #0 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x81] disabled)
> ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
> ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
> IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
> ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> ACPI: IRQ0 used by override.
> ACPI: IRQ2 used by override.
> ACPI: IRQ9 used by override.
> Enabling APIC mode: Flat. Using 1 I/O APICs
> Using ACPI (MADT) for SMP configuration information
> Allocating PCI resources starting at 1f800000 (gap: 1f800000:e0800000)
> Built 1 zonelists
> Kernel command line: BOOT_IMAGE=Linux-DVB ro root=303
> mapped APIC to ffffd000 (fee00000)
> mapped IOAPIC to ffffc000 (fec00000)
> Initializing CPU#0
> PID hash table entries: 2048 (order: 11, 32768 bytes)
> Detected 2400.709 MHz processor.
> Using pmtmr for high-res timesource
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
> Memory: 505296k/515328k available (3164k kernel code, 9604k reserved,
> 1231k data, 248k init, 0k highmem)
> Checking if this processor honours the WP bit even in supervisor mode...
> Ok.
> Calibrating delay using timer specific routine.. 4805.50 BogoMIPS
> (lpj=9611012)
> Mount-cache hash table entries: 512
> CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
> 0000441d 00000000 00000000
> CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
> 0000441d 00000000 00000000
> monitor/mwait feature present.
> using mwait in idle threads.
> CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 256K
> CPU: Hyper-Threading is disabled
> CPU: After all inits, caps: bfebfbff 00000000 00000000 00000080 0000441d
> 00000000 00000000
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
> CPU0: Thermal monitoring enabled
> mtrr: v2.0 (20020519)
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> CPU0: Intel(R) Celeron(R) CPU 2.40GHz stepping 01
> Total of 1 processors activated (4805.50 BogoMIPS).
> ENABLING IO-APIC IRQs
> ..TIMER: vector=0x31 pin1=2 pin2=-1
> Brought up 1 CPUs
> NET: Registered protocol family 16
> ACPI: bus type pci registered
> PCI: PCI BIOS revision 2.10 entry at 0xf0031, last bus=1
> PCI: Using configuration type 1
> ACPI: Subsystem revision 20050408
> ACPI: Interpreter enabled
> ACPI: Using IOAPIC for interrupt routing
> ACPI: PCI Root Bridge [PCI0] (0000:00)
> PCI: Probing PCI hardware (bus 00)
> ACPI: Assume root bridge [\_SB_.PCI0] segment is 0
> Boot video device is 0000:00:02.0
> PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
> PCI: Transparent bridge - 0000:00:1e.0
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P1._PRT]
> ACPI: Power Resource [URP1] (off)
> ACPI: Power Resource [URP2] (off)
> ACPI: Power Resource [FDDP] (off)
> ACPI: Power Resource [LPTP] (off)
> ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
> ACPI: PCI Interrupt Link [LNKB] (IRQs *3 4 5 6 7 9 10 11 12 14 15)
> ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)
> ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
> ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
> ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
> ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
> ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
> Linux Plug and Play Support v0.97 (c) Adam Belay
> SCSI subsystem initialized
> usbcore: registered new driver usbfs
> usbcore: registered new driver hub
> PCI: Using ACPI for IRQ routing
> PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a
> report
> PCI: Ignore bogus resource 6 [0:0] of 0000:00:02.0
> PCI: Bridge: 0000:00:1e.0
> IO window: d000-dfff
> MEM window: ff800000-ff8fffff
> PREFETCH window: dea00000-deafffff
> PCI: Setting latency timer of device 0000:00:1e.0 to 64
> apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
> apm: overridden by ACPI.
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> NTFS driver 2.1.23 [Flags: R/W].
> Initializing Cryptographic API
> pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> vesafb: framebuffer at 0xf0000000, mapped to 0xe0080000, using 3072k,
> total 8000k
> vesafb: mode is 1024x768x16, linelength=2048, pages=4
> vesafb: protected mode interface info at 00ff:44f0
> vesafb: scrolling: redraw
> vesafb: Truecolor: size=0:5:6:5, shift=0:11:5:0
> Console: switching to colour frame buffer device 128x48
> fb0: VESA VGA frame buffer device
> isapnp: Scanning for PnP cards...
> isapnp: No Plug & Play device found
> Real Time Clock Driver v1.12
> Non-volatile memory driver v1.2
> hw_random: RNG not detected
> Linux agpgart interface v0.101 (c) Dave Jones
> agpgart: Detected an Intel 845G Chipset.
> agpgart: Detected 8060K stolen memory.
> agpgart: AGP aperture is 128M @ 0xf0000000
> [drm] Initialized drm 1.0.0 20040925
> ipmi message handler version v33
> ipmi device interface version v33
> IPMI System Interface driver version v33, KCS version v33, SMIC version
> v33, BT version v33
> ipmi_si: Trying "kcs" at I/O port 0xca2
> ipmi_si: Trying "smic" at I/O port 0xca9
> ipmi_si: Trying "bt" at I/O port 0xe4
> ipmi_si: Unable to find any System Interface(s)
> IPMI Watchdog: driver version v33
> Copyright (C) 2004 MontaVista Software - IPMI Powerdown via sys_reboot
> version v33.
> intelfb: Framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G
> chipsets
> intelfb: Version 0.9.2
> ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
> intelfb: Cannot reserve FB region.
> Trying to free nonexistent resource <ffa80000-ffafffff>
> Trying to free nonexistent resource <f0000000-f7ffffff>
> PNP: No PS/2 controller found. Probing ports directly.
> serio: i8042 AUX port at 0x60,0x64 irq 12
> serio: i8042 KBD port at 0x60,0x64 irq 1
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
> ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered
> Floppy drive(s): fd0 is 1.44M
> FDC 0 is a post-1991 82077
> RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
> loop: loaded (max 8 devices)
> Linux video capture interface: v1.00
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes; override with
> idebus=xx
> ICH4: IDE controller at PCI slot 0000:00:1f.1
> PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
> ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 17
> ICH4: chipset revision 1
> ICH4: not 100% native mode: will probe irqs later
> ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
> ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio
> Probing IDE interface ide0...
> hda: ST340015A, ATA DISK drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> Probing IDE interface ide1...
> hdc: LITE-ON DVDRW SOHW-1693S, ATAPI CD/DVD-ROM drive
> ide1 at 0x170-0x177,0x376 on irq 15
> hda: max request size: 128KiB
> hda: 78165360 sectors (40020 MB) w/2048KiB Cache, CHS=65535/16/63,
> UDMA(100)
> hda: cache flushes supported
> hda: hda1 hda2 hda3
> hdc: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
> Uniform CD-ROM driver Revision: 3.20
> ide-floppy driver 0.99.newide
> usbmon: debugfs is not available
> usbcore: registered new driver hiddev
> usbcore: registered new driver usbhid
> drivers/usb/input/hid-core.c: v2.01:USB HID core driver
> mice: PS/2 mouse device common for all mice
> usbcore: registered new driver iforce
> I2O subsystem v1.288
> i2o: max drivers = 8
> I2O Configuration OSM v1.248
> I2O Bus Adapter OSM v$Rev$
> I2O Block Device OSM v1.287
> I2O SCSI Peripheral OSM v1.282
> I2O ProcFS OSM v1.145
> i2c /dev entries driver
> i810_smbus 0000:00:02.0: i810/i815 i2c device found.
> Advanced Linux Sound Architecture Driver Version 1.0.9b (Thu Jul 28
> 12:20:13 2005 UTC).
> ACPI: PCI Interrupt 0000:00:1f.5[B] -> GSI 17 (level, low) -> IRQ 18
> PCI: Setting latency timer of device 0000:00:1f.5 to 64
> input: AT Translated Set 2 keyboard on isa0060/serio0
> intel8x0_measure_ac97_clock: measured 55135 usecs
> intel8x0: clocking to 48000
> ALSA device list:
> #0: Intel 82801DB-ICH4 with ALC202 at 0xffa7f800, irq 18
> NET: Registered protocol family 2
> IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
> TCP established hash table entries: 16384 (order: 5, 131072 bytes)
> TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
> TCP: Hash tables configured (established 16384 bind 16384)
> TCP reno registered
> TCP bic registered
> Initializing IPsec netlink socket
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> Using IPI Shortcut mode
> ReiserFS: hda3: found reiserfs format "3.6" with standard journal
> ReiserFS: hda3: using ordered data mode
> ReiserFS: hda3: journal params: device hda3, size 8192, journal first
> block 18, max trans len 1024, max batch 900, max commit age 30, max
> trans age 30
> ReiserFS: hda3: checking transaction log (hda3)
> ReiserFS: hda3: Using r5 hash to sort names
> VFS: Mounted root (reiserfs filesystem) readonly.
> Freeing unused kernel memory: 248k freed
> Adding 999928k swap on /dev/hda2. Priority:-1 extents:1
> input: ImPS/2 Generic Wheel Mouse on isa0060/serio1
> eepro100.c:v1.09j-t 9/29/99 Donald Becker
> http://www.scyld.com/network/eepro100.html
> eepro100.c: $Revision: 1.36 $ 2000/11/17 Modified by Andrey V. Savochkin
> <saw at saw.sw.com.sg> and others
> ACPI: PCI Interrupt 0000:01:08.0[A] -> GSI 20 (level, low) -> IRQ 19
> eth0: 0000:01:08.0, 00:13:20:58:80:F3, IRQ 19.
> Board assembly 000000-000, Physical connectors present: RJ45
> Primary interface chip i82555 PHY #1.
> General self-test: passed.
> Serial sub-system self-test: passed.
> Internal registers self-test: passed.
> ROM checksum self-test: passed (0x04f4518b).
> bttv: driver version 0.9.16 loaded
> bttv: using 8 buffers with 2080k (520 pages) each for capture
> bttv: Bt8xx card found (0).
> ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 21 (level, low) -> IRQ 20
> bttv0: Bt878 (rev 17) at 0000:01:00.0, irq: 20, latency: 32, mmio:
> 0xdeafe000
> bttv0: detected: AVermedia AverTV DVB-T 771 [card=123], PCI subsystem ID
> is 1461:0771
> bttv0: using: AVerMedia AVerTV DVB-T 771 [card=123,autodetected]
> bttv0: gpio: en=00000000, out=00000000 in=00f8ff0f [init]
> bttv0: using tuner=4
> bttv0: registered device video0
> bttv0: registered device vbi0
> bttv0: PLL: 28636363 => 35468950 .. ok
> bttv0: add subdevice "remote0"
> bttv0: add subdevice "dvb0"
> bttv: Bt8xx card found (1).
> ACPI: PCI Interrupt 0000:01:01.0[A] -> GSI 22 (level, low) -> IRQ 21
> bttv1: Bt878 (rev 17) at 0000:01:01.0, irq: 21, latency: 32, mmio:
> 0xdeafc000
> bttv1: detected: AVermedia AverTV DVB-T 771 [card=123], PCI subsystem ID
> is 1461:0771
> bttv1: using: AVerMedia AVerTV DVB-T 771 [card=123,autodetected]
> bttv1: gpio: en=00000000, out=00000000 in=00f8ff0f [init]
> bttv1: using tuner=4
> bttv1: registered device video1
> bttv1: registered device vbi1
> bttv1: PLL: 28636363 => 35468950 .. ok
> bttv1: add subdevice "remote1"
> bttv1: add subdevice "dvb1"
> bt878: AUDIO driver version 0.0.0 loaded
> bt878: Bt878 AUDIO function found (0).
> ACPI: PCI Interrupt 0000:01:00.1[A] -> GSI 21 (level, low) -> IRQ 20
> bt878(0): Bt878 (rev 17) at 01:00.1, irq: 20, latency: 32, memory:
> 0xdeaff000
> bt878: Bt878 AUDIO function found (1).
> ACPI: PCI Interrupt 0000:01:01.1[A] -> GSI 22 (level, low) -> IRQ 21
> bt878(1): Bt878 (rev 17) at 01:01.1, irq: 21, latency: 32, memory:
> 0xdeafd000
> shpchp: shpc_init : shpc_cap_offset == 0
> shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
> ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 22
> PCI: Setting latency timer of device 0000:00:1d.7 to 64
> ehci_hcd 0000:00:1d.7: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2
> EHCI Controller
> ehci_hcd 0000:00:1d.7: debug port 1
> ehci_hcd 0000:00:1d.7: BIOS handoff failed (104, 01010001)
> ehci_hcd 0000:00:1d.7: continuing after BIOS bug...
> ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
> ehci_hcd 0000:00:1d.7: irq 22, io mem 0xffa7fc00
> PCI: cache line size of 128 is not supported by device 0000:00:1d.7
> ehci_hcd 0000:00:1d.7: USB 2.0 initialized, EHCI 1.00, driver 10 Dec
> 2004
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 6 ports detected
> USB Universal Host Controller Interface driver v2.3
> ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 16
> PCI: Setting latency timer of device 0000:00:1d.0 to 64
> uhci_hcd 0000:00:1d.0: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1
> uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
> uhci_hcd 0000:00:1d.0: irq 16, io base 0x0000e800
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 2 ports detected
> ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 23
> PCI: Setting latency timer of device 0000:00:1d.1 to 64
> uhci_hcd 0000:00:1d.1: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2
> uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
> uhci_hcd 0000:00:1d.1: irq 23, io base 0x0000e880
> hub 3-0:1.0: USB hub found
> hub 3-0:1.0: 2 ports detected
> ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 17
> PCI: Setting latency timer of device 0000:00:1d.2 to 64
> uhci_hcd 0000:00:1d.2: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3
> uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
> uhci_hcd 0000:00:1d.2: irq 17, io base 0x0000ec00
> hub 4-0:1.0: USB hub found
> hub 4-0:1.0: 2 ports detected
> ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver
> (PCI)
> NET: Registered protocol family 10
> Disabled Privacy Extensions on device c04f3ae0(lo)
> IPv6 over IPv4 tunneling driver
> eth0: no IPv6 routers present
> DVB: registering new adapter (bttv0).
> DVB: registering frontend 0 (Zarlink MT352 DVB-T)...
> DVB: registering new adapter (bttv1).
> DVB: registering frontend 1 (Zarlink MT352 DVB-T)...
> 

In my efforts to get MythTV working I read you need to include I2C
support, at least for my setup with a Hauppauge Win TVR-350 card. I
don't see any I2C items in your kernel boot log or in your modules list.
You may need to compile it into the kernel.

Steve W.

> the output from lsmod looks like this:
> Module Size Used by
> dvb_bt8xx 11268 0
> nxt6000 8580 1 dvb_bt8xx
> mt352 7172 1 dvb_bt8xx
> sp887x 8708 1 dvb_bt8xx
> dst_ca 14592 1 dvb_bt8xx
> dst 19588 2 dvb_bt8xx,dst_ca
> cx24110 9092 1 dvb_bt8xx
> ipv6 250624 10
> ohci_hcd 20356 0
> uhci_hcd 32656 0
> ehci_hcd 32648 0
> shpchp 99332 0
> tpm_atmel 5504 0
> tpm_nsc 6528 0
> tpm 9120 2 tpm_atmel,tpm_nsc
> bt878 9544 2 dvb_bt8xx,dst
> tuner 37928 0
> bttv 157520 2 dvb_bt8xx,bt878
> video_buf 18820 1 bttv
> btcx_risc 5000 1 bttv
> tveeprom 11536 1 bttv
> eepro100 28944 0
> mii 5632 1 eepro100
> evdev 8320 0
> psmouse 34052 0
> 
> 
> Also.. udevinfo -a -q path -n /dev/dvb/adaptor0/frontend0 tells me
> "/class/dvb/dvb0.frontend0"
> and a subsequent udevinfo -a -p /sys/class/dvb/dvb0.frontend0 tells me
> device '/sys/class/dvb/dvb0.frontend0' has major:minor 212:3
> looking at class device '/sys/class/dvb/dvb0.frontend0':
> SUBSYSTEM=="dvb"
> SYSFS{dev}=="212:3"
> 
> so it seems to me that /dev/dvb/adaptor0/frontend0 is pointing to the
> right device on the system.  When I run mythtv it tells me it can't see
> any dvb cards, and when I run the scan utility from linuxtv-dvb-apps I
> get the following error message:
> 
> root at dvb:~/dvb/linuxtv-dvb-apps-1.1.0/util/scan# ./scan
> dvb-t/uk-PontopPike
> scanning dvb-t/uk-PontopPike
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> main:1882: FATAL: failed to open '/dev/dvb/adapter0/frontend0': 2 No
> such file or directory
> 
> 
> Can anyone help me out here?
> 
> 
> 
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