I've been running an R4V5 system using a single PVR-250 for about two months with no major issues. After adding a second PVR-250 the backend has been crashing at least daily. Based on searching other threads I suspect it's an IRQ issue but I do not know how to change the tuner card IRQ or what the problem really is. Both tuner cards are assigned IRQ 11, along with three other devices:
Code:
root@myth:~ # lspci -v
00:00.0 Host bridge: nVidia Corporation: Unknown device 01e0 (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 8102
Flags: bus master, 66Mhz, fast devsel, latency 0
Memory at e8000000 (32-bit, prefetchable) [size=64M]
Capabilities: [40] AGP version 2.0
Capabilities: [60] #08 [2001]
00:00.1 RAM memory: nVidia Corporation: Unknown device 01ea (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 8102
Flags: 66Mhz, fast devsel
00:00.2 RAM memory: nVidia Corporation: Unknown device 01ee (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 8102
Flags: 66Mhz, fast devsel
00:00.3 RAM memory: nVidia Corporation: Unknown device 01ed (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 8102
Flags: 66Mhz, fast devsel
00:00.4 RAM memory: nVidia Corporation: Unknown device 01ec (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 8102
Flags: 66Mhz, fast devsel
00:00.5 RAM memory: nVidia Corporation: Unknown device 01ef (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 8102
Flags: 66Mhz, fast devsel
00:01.0 ISA bridge: nVidia Corporation nForce2 ISA Bridge (rev a4)
Subsystem: Asustek Computer, Inc. A7N8X Mainboard
Flags: bus master, 66Mhz, fast devsel, latency 0
Capabilities: [48] #08 [01e1]
00:01.1 SMBus: nVidia Corporation nForce2 SMBus (MCP) (rev a2)
Subsystem: Asustek Computer, Inc.: Unknown device 80ad
Flags: 66Mhz, fast devsel, IRQ 10
I/O ports at ec00 [size=32]
Capabilities: [44] Power Management version 2
00:02.0 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 80ad
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 5
Memory at fe900000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
00:02.1 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 80ad
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 5
Memory at fea00000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
00:02.2 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 20 [EHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 80ad
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 5
Memory at feb00000 (32-bit, non-prefetchable) [size=256]
Capabilities: [44] #0a [2080]
Capabilities: [80] Power Management version 2
00:04.0 Ethernet controller: nVidia Corporation nForce2 Ethernet Controller (rev a1)
Subsystem: Asustek Computer, Inc.: Unknown device 80a7
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 3
Memory at fe800000 (32-bit, non-prefetchable) [size=4K]
I/O ports at e880 [size=8]
Capabilities: [44] Power Management version 2
00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio Controler (MCP) (rev a1)
Subsystem: Asustek Computer, Inc.: Unknown device 8095
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
I/O ports at e000 [size=256]
I/O ports at ef00 [size=128]
Memory at fe600000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
00:08.0 PCI bridge: nVidia Corporation: Unknown device 006c (rev a3) (prog-if 00 [Normal decode])
Flags: bus master, 66Mhz, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
Prefetchable memory behind bridge: d5800000-e57fffff
00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2) (prog-if 8a [Master SecP PriP])
Subsystem: Asustek Computer, Inc.: Unknown device 80ad
Flags: bus master, 66Mhz, fast devsel, latency 0
I/O ports at ffa0 [size=16]
Capabilities: [44] Power Management version 2
00:0d.0 FireWire (IEEE 1394): nVidia Corporation nForce2 FireWire (IEEE 1394) Controller (rev a3) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 80af
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
Memory at fe500000 (32-bit, non-prefetchable) [size=2K]
Memory at fe400000 (32-bit, non-prefetchable) [size=64]
Capabilities: [44] Power Management version 2
00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1) (prog-if 00 [Normal decode])
Flags: bus master, 66Mhz, medium devsel, latency 64
Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
Memory behind bridge: ed900000-fdafffff
01:06.0 Multimedia video controller: Internext Compression Inc: Unknown device 0016 (rev 01)
Subsystem: Hauppauge computer works Inc.: Unknown device 4009
Flags: bus master, medium devsel, latency 64, IRQ 11
Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [44] Power Management version 2
01:07.0 Multimedia video controller: Internext Compression Inc: Unknown device 0016 (rev 01)
Subsystem: Hauppauge computer works Inc.: Unknown device 4009
Flags: bus master, medium devsel, latency 64, IRQ 11
Memory at dc000000 (32-bit, prefetchable) [size=64M]
Capabilities: [44] Power Management version 2
02:00.0 VGA compatible controller: S3 Inc. 86C270-294 Savage/IX (rev 13) (prog-if 00 [VGA])
Subsystem: S3 Inc. 86C270-294 Savage/IX
Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 11
Memory at f0000000 (32-bit, non-prefetchable) [size=128M]
Expansion ROM at fda00000 [disabled] [size=64K]
Capabilities: [dc] Power Management version 1
Capabilities: [80] AGP version 1.0
root@myth:~ #
Any help on where to go from here would be appreciated.
Thanks,
Russ