Re: hard lock using combination of devices

[Pavel Machek]

Hi!

> >>> Your box share IRQs in a big way :)
> >>
> >>Your point?
> >
> >While shared interrupts can in theory work right,
> >lots of hardware and/or drivers do not handle
> >that.
> 
> First, the two devices in question are not on the same interrupt.  Second, 
> it
> is very difficult in this day in age to build a system without interrupt
> sharing.  While I agree that it's better to have as few devices sharing as
> possible, there are simply too many devices in modern systems and too few
> interrupts.  Interrupt sharing needs to work on modern hardware and needs to
> work in Linux.  This notebook is pretty typical in its interrupt 
> distribution

>            CPU0       
>   0:   41027968          XT-PIC  timer
>   1:      26061          XT-PIC  i8042
>   2:          0          XT-PIC  cascade
>   8:          1          XT-PIC  rtc
>   9:       2020          XT-PIC  acpi
>  10:    2187181          XT-PIC  yenta, driverloader
>  11:        111          XT-PIC  ALI 5451
>  12:    2399118          XT-PIC  i8042
>  14:     169829          XT-PIC  ide0
>  15:          1          XT-PIC  ide1
> NMI:          0 
> LOC:   41036749 
> ERR:     275764
> MIS:          0

Does that mean you are actually using windows driver for your wireless
card? At that point ... no wonder it breaks ;-).
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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