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Old 02-13-2009, 06:41 PM
Oliver Steinmacher
 
Default IRQ Problems

Hello,

I?ve installed Debian Lenny on my PC to use them as a Videorecorder (VDR).
At first i used "fbtv" and looked to via the console. This way worked
perfect.

After that i installed X and i got same problems.


I ask for your help.
The DVB-S Card and the X-Server using the same IRQ: 16


,--[ dmesg snapshot ]-----
|debvdr kernel: [ 35.600014] irq 16: nobody cared (try booting with the "irqpoll" option)
|15:36:52 debvdr kernel: [ 35.600014] Pid: 0, comm: swapper Not tainted 2.6.26-1-686 #1
|15:36:52 debvdr kernel: [ 35.600014] [<c015280b>] __report_bad_irq+0x24/0x69
|15:36:52 debvdr kernel: [ 35.600014] [<c0152812>] __report_bad_irq+0x2b/0x69
|15:36:52 debvdr kernel: [ 35.600014] [<c0152a24>] note_interrupt+0x1d4/0x208
|15:36:52 debvdr kernel: [ 35.600014] [<c0151fd2>] handle_IRQ_event+0x23/0x51
|15:36:52 debvdr kernel: [ 35.600014] [<c01530e5>] handle_fasteoi_irq+0x85/0xa4
|15:36:52 debvdr kernel: [ 35.600014] [<c0105f3a>] do_IRQ+0x4d/0x63
|15:36:52 debvdr kernel: [ 35.600014] [<c01042a7>] common_interrupt+0x23/0x28
|15:36:52 debvdr kernel: [ 35.600014] [<c011d59d>] finish_task_switch+0x22/0x99
|15:36:52 debvdr kernel: [ 35.600014] [<c02b82ee>] schedule+0x60c/0x66f
|15:36:52 debvdr kernel: [ 35.600014] [<c0139e03>] tick_nohz_restart_sched_tick+0x112/0x11c
|15:36:52 debvdr kernel: [ 35.600014] [<c0102656>] default_idle+0x0/0x53
|15:36:52 debvdr kernel: [ 35.600014] [<c01025e9>] cpu_idle+0xc6/0xcb
|15:36:52 debvdr kernel: [ 35.600014] =======================
|15:36:52 debvdr kernel: [ 35.600014] handlers:
|15:36:52 debvdr kernel: [ 35.600014] [<dcb273ed>] (interrupt_hw+0x0/0x1d6 [saa7146])
|15:36:52 debvdr kernel: [ 35.600014] [<dcec8370>] (via_driver_irq_handler+0x0/0x154 [via])
|15:36:52 debvdr kernel: [ 35.600014] Disabling IRQ #16
`--[
,--[ System, Lenny ]----------
|Linux debvdr 2.6.26-1-686 #1 SMP
`--------------------------------

,--[ /proc/interrupts ]----------
| CPU0
| 0: 69 IO-APIC-edge timer
| 1: 2 IO-APIC-edge i8042
| 4: 2 IO-APIC-edge
| 6: 2 IO-APIC-edge floppy
| 8: 2 IO-APIC-edge rtc0
| 9: 0 IO-APIC-fasteoi acpi
| 14: 12037 IO-APIC-edge ide0
| 15: 4984 IO-APIC-edge ide1
| 16: 101349 IO-APIC-fasteoi saa7146 (0), via@pci:0000:01:00.0 <-_-_------
| 20: 0 IO-APIC-fasteoi sata_via
| 21: 1331 IO-APIC-fasteoi uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3,
| uhci_hcd:usb4, ehci_hcd:usb5
| 22: 0 IO-APIC-fasteoi VIA8237
| 23: 697 IO-APIC-fasteoi eth0
| NMI: 0 Non-maskable interrupts
| LOC: 171084 Local timer interrupts
| RES: 0 Rescheduling interrupts
| CAL: 0 function call interrupts
| TLB: 0 TLB shootdowns
| TRM: 0 Thermal event interrupts
| SPU: 0 Spurious interrupts
| ERR: 0
| MIS: 0
`---------------------------------------------


I found some Bootparameter, but it doesn't work.

,--[ Bootparameter ]-----------------------------
| root=/dev/hda1 ro quiet vga=0x314 irqpoll pci=routeirq
`-----------------------------------------------------


Report from
,--[ tail -f /var/log/kern.log ]-----------------------

|Feb 13 16:45:13 debvdr kernel: [ 2192.168016] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
|Feb 13 16:45:13 debvdr kernel: [ 2192.196019] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
|Feb 13 16:45:13 debvdr kernel: [ 2192.224017] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
|Feb 13 16:45:13 debvdr kernel: [ 2192.252019] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
|Feb 13 16:45:13 debvdr kernel: [ 2192.280018] saa7146 (0) saa7146_i2c_writeout [irq]: timed out |waiting for end of xfer
|...
|...
|...
|Feb 13 16:45:14 debvdr kernel: [ 2192.672018] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
|Feb 13 16:45:14 debvdr kernel: [ 2192.700019] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
|Feb 13 16:45:14 debvdr kernel: [ 2192.728018] saa7146 (0) saa7146_i2c_writeout [irq]: timed out waiting for end of xfer
`-------------------------------------------------------------

,--[ lspci ]-----------------------------------------------
| 00:00.0 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
| 00:00.1 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
| 00:00.2 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
| 00:00.3 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
| 00:00.4 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
| 00:00.7 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
| 00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800/K8T890 South]
| 00:08.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01) <---___----___-----___--------------
| 00:0f.0 IDE interface: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
| 00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
| 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
| 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
| 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
| 00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
| 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
| 00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
| 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
| 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
| 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
| 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
| 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
| 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
| 01:00.0 VGA compatible controller: VIA Technologies, Inc. K8M800/K8N800/K8N800A [S3 UniChrome Pro] (rev 01) <--___--___-
`---------------------------------------------------------------


Is there a way to avoid this kind of konfict?
Is there a way to set another irq, for example the dvb-s-card?
Kann ich beim Booten über Parameter den Fehler vermeiden?
Do you know any helping Bootparameter(s)?

Thank you in Advance.


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