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SubjectRe: APIC probs with kernel 2.6.6-rc1-bk2 and usb, bttv
Date
Hello,

>
> Tagged where? These flags apply equally to both architectures.

Okay, sorry. I did not read the leading text inside kernel-parameters.txt.
Just did a grep acpi and looked for the listed lines.

> CPU0
> 0: 345800 XT-PIC timer
> 1: 1452 IO-APIC-edge i8042
> 2: 0 XT-PIC cascade
> 8: 0 IO-APIC-edge rtc
> 9: 0 IO-APIC-level acpi
> 12: 50 IO-APIC-edge i8042
> 14: 6155 IO-APIC-edge ide0
> 15: 42 IO-APIC-edge ide1
> 16: 678 IO-APIC-level bttv0, nvidia
> 17: 147 IO-APIC-level aic7xxx, libata
> 18: 227 IO-APIC-level eth0, b1pci-9c00
> 19: 7 IO-APIC-level eth1
> 20: 0 IO-APIC-level ohci_hcd
> 21: 0 IO-APIC-level ehci_hcd
> 22: 1806 IO-APIC-level NVidia nForce3, ohci_hcd
>
> If you run the latest -mm patch, you can fix the XT-PIC timer
> by passing "acpi_skip_timer_override" on the cmdline.
>

I will try this later, What does this timer-fix mean for my system?

> RE: USB is totally dead.
> you've got a number of controllers, are they all dead.
> hard to tell if the last one if taking the interrupts,
> or if that is your sound. perhaps you can disable sound
> and see if IRQ22 becomes quiescent.
>

I have stopped the sound and have removed all sound modules (Init-script did
this for me ;-) ) I have checked, if the modules had been removed (lsmod). I
did a cat /proc/interrupts and: IRQ22 had ohci_hcd for itself. After that I
tried to do a hotplug restart, but the init-script was unable to restart it.
It did nothing, just waiting. I could not break it with CTRL+C.
So, USB does not work, even when sound is not running.

I also tested my SCSI-controller, but that seems to work okay, although it had
some problems aborting a command (I copied a 400MB file and pressed CTRL+C
after about 230MB). Here is the output:

Apr 25 19:49:34 [kernel] ISOFS: changing to secondary root
Apr 25 19:52:43 [kernel] scsi1:0:4:0: Attempting to queue an ABORT message
- Last output repeated 3 times -
Apr 25 19:53:28 [kernel] Recovery code awake
Apr 25 19:53:28 [kernel] scsi1 (4:0): rejecting I/O to offline device

> Re: TV station change freezes system.
> Does it also freeze the system if you boot with "noapic"?
>

I have booted the system without specifying apic (Seems to be noapic, because
of XT-PIC in /proc/interrupts) and with lapic. In both cases, TV is working
without any problems. Only specifying apic explicitly, freezes the system.

Regards

Christian
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