9.10 server ed.; 2 capturadoras de video; el sistema solo reconoce 1

Imagen de Thaifas
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Hola amigos!

Estoy intentando hacer un servidor para instalar zoneminder con un viejo amd athlon XP 2000+ con 512 mb y un 60 gb de disco.

Para esto he seguido las instrucciones de este hilo del foro oficial de zoneminder:

http://www.zoneminder.com/wiki/index.php/Ubuntu_9.10_Server_32-bit

En una primera instalación desde cero (a modo de prueba), consistente en una única tarjeta genérica "Pico 2000" y con solo dos cámaras conectadas, todo funcionaba correctamente.

Ahora pretendo actualizarlo y llevar a cabo la instalación definitiva (con 2 tarjetas idénticas y 7 cámaras tambien iguales y conectado via wifi por una nueva tarjeta de red inalambrica), pero me surje un problema:
Despues de formatear e instalar desde cero, nada mas arrancar el equipo me encuentro con que el sistema me da el siguiente mensaje de advertencia

ACPI I/O resource 0000:00:02.1 [0xc00-0xc1f] conflicts qith ACPI region SMRG [0xc00-0xc1f]

Si hago "lspci -v", me da lo siguiente:

00:00.0 Host bridge: Silicon Integrated Systems [SiS] 746 Host (rev 10)
        Subsystem: ASRock Incorporation Device 0746
        Flags: bus master, medium devsel, latency 0
        Memory at d0000000 (32-bit, non-prefetchable) [size=64M]
        Capabilities: [c0] AGP version 2.0
        Kernel driver in use: agpgart-sis
        Kernel modules: sis-agp

00:01.0 PCI bridge: Silicon Integrated Systems [SiS] SG86C202
        Flags: bus master, fast devsel, latency 32
        Bus: primary=00, secondary=01, subordinate=02, sec-latency=32
        Memory behind bridge: cdd00000-cfefffff
        Prefetchable memory behind bridge: bda00000-cdbfffff
        Kernel modules: shpchp

00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS963 [MuTIOL Media IO] (rev 25)
        Flags: bus master, medium devsel, latency 0

00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller
        Flags: medium devsel
        I/O ports at 0c00 [size=32]
        Kernel modules: i2c-sis96x

00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (prog-if 80 [Master])
        Subsystem: ASRock Incorporation Device 5513
        Flags: bus master, medium devsel, latency 128
        [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8]
        [virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1]
        [virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8]
        [virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1]
        I/O ports at ff00 [size=16]
        Kernel driver in use: pata_sis

00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] AC'97 Sound Controller (rev a0)
        Subsystem: ASRock Incorporation Device 7012
        Flags: bus master, medium devsel, latency 32, IRQ 18
        I/O ports at dc00 [size=256]
        I/O ports at d800 [size=128]
        Capabilities: [48] Power Management version 2
        Kernel driver in use: Intel ICH
        Kernel modules: snd-intel8x0

00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f) (prog-if 10)
        Subsystem: ASRock Incorporation Device 7001
        Flags: bus master, medium devsel, latency 32, IRQ 20
        Memory at cfffd000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: ohci_hcd

00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f) (prog-if 10)
        Subsystem: ASRock Incorporation Device 7001
        Flags: bus master, medium devsel, latency 32, IRQ 21
        Memory at cfffe000 (32-bit, non-prefetchable) [size=4K]
        Kernel driver in use: ohci_hcd

00:03.2 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller (prog-if 20)
        Subsystem: ASRock Incorporation Device 7001
        Flags: bus master, medium devsel, latency 32, IRQ 23
        Memory at cffff000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [50] Power Management version 2
        Kernel driver in use: ehci_hcd

00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI Fast Ethernet (rev 90)
        Subsystem: ASRock Incorporation Device 8201
        Flags: bus master, medium devsel, latency 32, IRQ 19
        I/O ports at d400 [size=256]
        Memory at cfffc000 (32-bit, non-prefetchable) [size=4K]
        Expansion ROM at 20000000 [disabled] [size=128K]
        Capabilities: [40] Power Management version 2
        Kernel driver in use: sis900
        Kernel modules: sis900

00:0a.0 Ethernet controller: Atheros Communications Inc. Atheros AR5001X+ Wireless Network Adapter (rev 01)
        Subsystem: Accton Technology Corporation Device 4412
        Flags: bus master, medium devsel, latency 168, IRQ 18
        Memory at cffe0000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [44] Power Management version 2
        Kernel driver in use: ath5k
        Kernel modules: ath5k

00:0c.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
        Flags: bus master, medium devsel, latency 32, IRQ 16
        Memory at cdcfe000 (32-bit, prefetchable) [size=4K]
        Capabilities: [44] Vital Product Data <?>
        Capabilities: [4c] Power Management version 2
        Kernel driver in use: bttv
        Kernel modules: bttv

00:0c.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
        Flags: bus master, medium devsel, latency 32, IRQ 11
        Memory at cdcff000 (32-bit, prefetchable) [size=4K]
        Capabilities: [44] Vital Product Data <?>
        Capabilities: [4c] Power Management version 2

00:0d.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
        Flags: bus master, medium devsel, latency 32, IRQ 11
        Memory at 20020000 (32-bit, prefetchable) [size=4K]
        Capabilities: [44] Vital Product Data <?>
        Capabilities: [4c] Power Management version 2

00:0d.1 Multimedia controller: Brooktree Corporation Device 0838 (rev 11)
        Flags: bus master, medium devsel, latency 32, IRQ 11
        Memory at 20021000 (32-bit, prefetchable) [size=4K]
        Capabilities: [44] Vital Product Data <?>
        Capabilities: [4c] Power Management version 2

01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev b2)
        Subsystem: Micro-Star International Co., Ltd. Device 8523
        Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 11
        Memory at ce000000 (32-bit, non-prefetchable) [size=16M]
        Memory at c0000000 (32-bit, prefetchable) [size=128M]
        Expansion ROM at cfef0000 [disabled] [size=64K]
        Capabilities: [60] Power Management version 2
        Capabilities: [44] AGP version 2.0
        Kernel modules: nvidiafb, rivafb

Tambien si hago "lspci -v | grep Multimedia", obtengo:

00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] AC'97 Sound Controller (rev a0)
00:0c.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
00:0c.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
00:0d.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
00:0d.1 Multimedia controller: Brooktree Corporation Device 0838 (rev 11)

Con lo que aparentemente reconoce el nuevo harware instalado (00:0a.0 = tarjeta wifi; 00:0c.0 y 00:0c.1 = primera tarjeta capturadora de video con la correspondiente entrada de sonido y 00:0d.0 y 00:0d.1 = segunda tarjeta capturadora de video, tambien con su correspondiente entrada de audio).

Sin embargo, cuando hago "find /dev -name video*", el sistema me responde:

/dev/video0
/dev/.udev/db/video4linux:video0
/dev/.udev/db/video4linux:vbi0

En lugar de lo que debería mostrar, que sería algo similar a esto:

/dev/video1
/dev/video0
/dev/.udev/db/video4linux:video1
/dev/.udev/db/video4linux:vbi1
/dev/.udev/db/video4linux:vbi0
/dev/.udev/db/video4linux:video0

A alguien se le ocurre qué podría hacer para solucionar este problema?...

Gracias!

Imagen de Thaifas
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Creo que he encontrado la razon: repasando la primera lista de dispositivos, se ve que varios de ellos comparten el mismo parametro de IRQ; puede que la solucion fuese modificar esos valores; estoy intentando averiguar si se puede hacer en linux.

IRQ 11:
	00:0c.1 – Multimedia controller: Brooktree Bt878 audio capture
	00:0d.1 – Multimedia controller: Brooktree Bt878 audio capture
	01:00.0 – VGA compatible controller: nVidia NV11 [GeForce2 MX 400]

IRQ 16:
	00:0c.0 – Multimedia Video Controller: Brootree Bt878 video capture

IRQ 17:
	00:0d.0 – Multimedia Video Controller: Brooktree Bt878 video capture

IRQ 18:
	00:02.7 – Multimedia audio controller: SiS AC'97
	00:0a.0 – Ethernet controller: Atheros AR5001X+ W.N.A.

IRQ 19:
	00:04.0 – Ethernet Controller: SiS900 PCI Fast Ethernet

IRQ 20:
	00:03.0 – USB controller: SiS USB 1.1

IRQ 21:
	00:03.1 – USB controller: SiS USB 1.1

IRQ 23:
	00:03.2 – USB controller: SiS USB 2.0
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