[mythtv-users] Problems with the cx8800 module

[Adam Biskobing]

It looks like it's sharing an IRQ with another device, you may want to
try moving it to a different PCI slot and see if that helps.

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org 
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of René Gram
> Sent: Friday, March 12, 2004 12:38 PM
> To: mythtv-users at mythtv.org
> Subject: [mythtv-users] Problems with the cx8800 module
> 
> 
> Hi
> 
> I've just got a WinFast TV2000 XP Expert card with a CX2388X chip.
> 
> I have compilede support for the cx8800 module but here is 
> what I get when I run modprobe cx8800
> 
> -------
> 
> Mar 11 16:20:35 gryf kernel: cx2388x v4l2 driver version 
> 0.0.1 loaded Mar 11 16:20:35 gryf kernel: PCI: IRQ 14 for 
> device 0000:00:0d.0 doesn't match PIRQ mask - try 
> pci=usepirqmask Mar 11 16:20:35 gryf kernel: PCI: Found IRQ 
> 14 for device 0000:00:0d.0 Mar 11 16:20:35 gryf kernel: PCI: 
> Sharing IRQ 14 with 0000:00:04.2 Mar 11 16:20:35 gryf kernel: 
> PCI: Sharing IRQ 14 with 0000:00:04.3 Mar 11 16:20:35 gryf 
> kernel: PCI: Sharing IRQ 14 with 0000:00:09.0 Mar 11 16:20:35 
> gryf kernel: cx8800[0]: found at 0000:00:0d.0, rev: 5,
> irq: 14, latency: 32, mmio: 0xdf000000
> Mar 11 16:20:35 gryf kernel: cx8800[0]: subsystem: 107d:6611, 
> board: Leadtek Winfast 2000XP Expert [card=5,autodetected] 
> Mar 11 16:20:35 gryf kernel: cx8800[0]: found at 0000:00:0d.0, rev: 5,
> irq: 14, latency: 0, mmio: 0xcb93c800
> Mar 11 16:20:35 gryf kernel: cx8800[0]: subsystem: 107d:6611, 
> board: Leadtek Winfast 2000XP Expert [card=5,autodetected] 
> Mar 11 16:20:35 gryf kernel: cx8800[0]: can't get MMIO memory 
> @ 0xdf000000 Mar 11 16:20:35 gryf kernel: Unable to handle 
> kernel paging request at virtual address fffffff0 Mar 11 
> 16:20:35 gryf kernel:  printing eip: Mar 11 16:20:35 gryf 
> kernel: cb93c808 Mar 11 16:20:35 gryf kernel: *pde = 00003067 
> Mar 11 16:20:35 gryf kernel: *pte = 00000000 Mar 11 16:20:35 
> gryf kernel: Oops: 0002 [#1]
> Mar 11 16:20:35 gryf kernel: CPU:    0
> Mar 11 16:20:35 gryf kernel: EIP:    0060:[<cb93c808>]    Tainted: G S
> Mar 11 16:20:35 gryf kernel: EFLAGS: 00010286
> Mar 11 16:20:35 gryf kernel: EIP is at 0xcb93c808
> Mar 11 16:20:35 gryf kernel: eax: fffffff0   ebx: d08fd3d7   ecx:
> cffeb628   edx: 00000002
> Mar 11 16:20:35 gryf kernel: esi: cb93c800   edi: cb93c800   ebp:
> ffffffed   esp: ca1fdf04
> Mar 11 16:20:35 gryf kernel: ds: 007b   es: 007b   ss: 0068
> Mar 11 16:20:35 gryf kernel: Process modprobe (pid: 541, 
> threadinfo=ca1fc000 task=ca2e3940) Mar 11 16:20:35 gryf 
> kernel: Stack: d0936c20 cb93c808 c021fc6c cfe02400 d09397f8 
> d0939840 cfe02400 cfe0244c 
> Mar 11 16:20:35 gryf kernel:        c021fc9d d0939840 
> cfe02400 c021fcc0
> d0939840 cfe02400 cfe02400 ffffffed 
> Mar 11 16:20:35 gryf kernel:        d0939864 c026f7f5 
> cfe0244c cfe02454
> c03e702c d0939864 c026f8e0 cfe0244c 
> Mar 11 16:20:35 gryf kernel: Call Trace:
> Mar 11 16:20:35 gryf kernel:  [<c021fc6c>] 
> pci_device_probe_static+0x2c/0x40 Mar 11 16:20:35 gryf 
> kernel:  [<c021fc9d>] __pci_device_probe+0x1d/0x24 Mar 11 
> 16:20:35 gryf kernel:  [<c021fcc0>] 
> pci_device_probe+0x1c/0x34 Mar 11 16:20:35 gryf kernel:  
> [<c026f7f5>] bus_match+0x31/0x54 Mar 11 16:20:35 gryf kernel: 
>  [<c026f8e0>] driver_attach+0x40/0x74 Mar 11 16:20:35 gryf 
> kernel:  [<c026fb4e>] bus_add_driver+0x76/0x94 Mar 11 
> 16:20:35 gryf kernel:  [<c026fecc>] driver_register+0x34/0x38 
> Mar 11 16:20:35 gryf kernel:  [<c021fe10>] 
> pci_register_driver+0x34/0x54 Mar 11 16:20:35 gryf kernel:  
> [<d0935888>] cx8800_init+0x2c/0x3c [cx8800] Mar 11 16:20:35 
> gryf kernel:  [<c0134ce9>] sys_init_module+0x131/0x270 Mar 11 
> 16:20:35 gryf kernel:  [<c0108dfb>] syscall_call+0x7/0xb Mar 
> 11 16:20:35 gryf kernel: 
> Mar 11 16:20:35 gryf kernel: Code: 01 00 00 00 00 00 00 00 01 
> 00 00 00 14 c8 93 cb 14 c8 93 cb 
> 
> -------
> 
> As far as I can se from the above the module finds the 
> correct card but then crashes. Any ideas why it crashes?
> 
> Im running Debian unstable with a 2.6.3 kernel.
> I have appiled the patches from http://bytesex.org/patches/.
> 
> /gryf
> 
>