Disabling IRQ #11

[Edward]

Bill Shannon wrote:

> Brian Fahrlander wrote:
> 
>> On Sat, 2004-09-11 at 23:25, Bill Shannon wrote:
>>
>>> I upgraded my Fedora Core 1 system (Dell 4550) to Fedora Core 2.
>>> What a disaster!  Lots of stuff no longer works!
>>
>>
>>
>>     Try a couple of kernel options:  "noacpi" and/or apic=no.
>>
>>     (Worked for me: it's the newer kernels.)
>>
>>
> 
> At first it seemed like that helped, but it only delayed the problem.
> 
> (First, let me make sure I'm doing this right.  In grub.conf I changed
> "options ide-cd ignore=hdd" to "options ide-cd ignore=hdd noacpi" and
> rebooted.  After booting the system, how can I tell that this had the
> desired effect?)
> 
> I still can't login as myself.
> 
> I even set up a completely new account, no dot files, and can't login
> to that account either.  At best, the login process is *very* slow.
> It takes over 5 minutes to display all the icons on the login screen
> as it starts things up.  But it never gets far enough to show me the
> desktop.  I have to kill gnome-session to bring it back.
> 
> Usually somewhere in the process I'll get the "Disabling IRQ #11"
> message and then the network connection dies.  (Of course, since
> that's the IRQ the ethernet is using.)  But if I had just killed
> gnome-session, and I'm back at the login screen when this happens,
> I can use the menus on the login screen to shutdown the system.
> 
> BTW, here's what /proc/interrupts looks like on FC2:
> 
>            CPU0
>   0:     399303          XT-PIC  timer
>   1:         40          XT-PIC  i8042
>   2:          0          XT-PIC  cascade
>   3:          0          XT-PIC  ehci_hcd
>   8:          1          XT-PIC  rtc
>   9:          0          XT-PIC  acpi, uhci_hcd
>  10:          0          XT-PIC  uhci_hcd
>  11:      26207          XT-PIC  uhci_hcd, eth0, r128 at PCI:1:0:0, Intel 
> 82801DB-ICH4
>  12:         84          XT-PIC  i8042
>  14:      12068          XT-PIC  ide0
>  15:       1182          XT-PIC  ide1
> NMI:          0
> ERR:          0
> 
> One noticeable difference between FC1 and FC2 here is that on FC2
> IRQ #11 includes "r128 at PCI:1:0:0", which I assume is my ATI Rage 128
> Pro Ultra video card.  Is it possible there's something wrong there?
> It doesn't seem like it since everything works fine if I login as root.
> 
> Anyone have any other ideas?
> 
> Where else should I look for clues?
> 

In the post where you show things going wrong, you have usb AND ethernet 
on 11. You say you have no usb devices.

How about this test then? = Disable USB in the BIOS and see what happens.

Regards,
Ed.