Thinkpad 600e interrupt storm

[John Baldwin]

On Thursday 10 February 2005 06:31 am, Understudy wrote:
> John Baldwin wrote:
> >On Tuesday 08 February 2005 11:11 pm, Understudy wrote:
> >>John Baldwin wrote:
> >>>On Tuesday 08 February 2005 06:35 am, Understudy wrote:
> >>>>I did  the  patch last night thanks for the help on that.  Unfortunatly
> >>>>it hasn't changed anything.
> >>>
> >>>Hmm, ok.  Note that it wasn't supposed to turn the interrupt storm off,
> >>>but to make it more livable.
> >>
> >>Okay , it will now boot with the pcmcia card in the slot.  I was hoping
> >>that there was a solution to this. Has anyone submitted a bug report on
> >>this? Are there any other courses of action that can be taken or
> >>suggested to solve this problem?
> >
> >So it did help as far as making the box less sluggish?
>
> The box does seem to a little less sluggish. I wouldn't consider the
> difference huge but it does seem to boot a little better. It doesn't
> hang as much. I still have sshd turned off. When I turn that on is when
> I will really be able to tell.
>
> Any ideas on those interrupt storms. Do I need to repost that
> information? Basically it  seems like there is an IRQ conflict on IRQ 10
> and 11. Everything seems to be working now. However those still show up
> during boot. I would like to have a clean boot if possible. I guess at
> this stage it is a bit moot with everything working but I would like to
> have a clean dmesg at boot. I haven't tried my wifi pcmcia card yet. I
> was hoping to have a clean boot first. I haven't even gotten into sound
> or apm stuff yet because I was hoping to kill this interrupt storm thing
> first. Then tackle those issues. Being that I just am now trying 5.3 and
> was using 4.x before I remember when you did a fresh install you would
> get the page at the beginning that let you know you had IRQ conflicts.
> That page doesn't exist with the 5.x install so I am not completely sure
> how to resolve the conflicts. I have tried modifying device.hints and
> several other files to no avail. I haven't given up yet. I have however
> looked at taking a shotgun and pointing it at the laptop and pulling the
> trigger, it wouldn't solve the problem, but I would fell really good
> afterward.
>
> By the way please don't interpret the above statement as a complaint. I
> am very grateful for all the help. I am just venting a little, ok maybe
> a lot.

It's ok.  :)  I don't have any ideas on the moment about why you get interrupt 
storms.  Note that with PCI, IRQ numbers are rather different, and you can't 
easily shuffle them around like you could do with ISA cards by shuffling 
jumpers.  It's really a different animal.

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org