Re: NO ADSL with kernel-smp 2.6.12-1.1376_FC3

[Antonio Montagnani]

Bob Chiodini said the following on 31/08/2005 14:18:
> > > > > Anything relevant in /var/log/messages?  What is the output of route -n?
> > > > >
> > > > > Bob...
> > > >
> > > > I had a look at /var/log/messages (that I attach, only as e-mail to 
> > > > you...), but I am not very expert.
> > > > I see a timeout transmit on eth0 repeated many times when using SMP 
> > > > kernel at about 6.35 at the end.
> > > > I see also many errors conencted to ACPI (on both kernels) that I am not 
> > > > able to decode
> > > >
> > > > Tnx
> > >
> > > Antonio,
> > >
> > > I culled the messages down into a SMP boot and a UP boot.  A quick look
> > > indicates one message is missing in the SMP boot log.  It's marked with
> > > an arrow and indicates that the eth0 device interrupt was detected as
> > > IRQ 11 (UP only).  Hopefully someone can shed some light on this.  Some
> > > other information that might help:
> > >
> > > cat /proc/interrupts for both the UP and SMP.
> > >
> > > Also, do you have the latest BIOS installed for your motherboard?  What
> > > kind of motherboard is this?
> >
> > An Asus P5P800, Bios updated in July
> >
> > Check the IO-APIC options in the BIOS
> > > setup.
> > >
> > > You might try moving the realtek NIC to another slot.  That's a shot in
> > > the dark, but it's pretty early and I'm only into my first cup of
> > > coffee!
> > >
> > > Bob...
> >
> > Standard
> >       CPU0
> >   0:   20180445          XT-PIC  timer
> >   1:       5563          XT-PIC  i8042
> >   2:          0          XT-PIC  cascade
> >   5:     701131          XT-PIC  SysKonnect SK-98xx, Intel ICH5, 
> > ehci_hcd:usb1, uhci_hcd:usb3
> >   8:          1          XT-PIC  rtc
> >  11:     380784          XT-PIC  uhci_hcd:usb2, uhci_hcd:usb4, 
> > uhci_hcd:usb5, eth0
> >  12:     801086          XT-PIC  i8042
> >  14:     112972          XT-PIC  ide0
> >  15:     358109          XT-PIC  ide1
> > NMI:          0
> > ERR:          0
> >
> > SMP
> >        CPU0       CPU1
> >   0:     137004      48896    IO-APIC-edge  timer
> >   1:         29         27    IO-APIC-edge  i8042
> >   5:          0          0    IO-APIC-edge  SysKonnect SK-98xx, Intel 
> > ICH5, ehci _hcd:usb1, uhci_hcd:usb3
> >   8:          1          0    IO-APIC-edge  rtc
> >  11:          0          0    IO-APIC-edge  uhci_hcd:usb2, 
> > uhci_hcd:usb4, uhci_h cd:usb5, eth0
> >  12:       1146        836    IO-APIC-edge  i8042
> >  14:       9294       5957    IO-APIC-edge  ide0
> >  15:        440        568    IO-APIC-edge  ide1
> > NMI:          0          0
> > LOC:     181971     182055
> > ERR:          0
> > MIS:          0
> >
> > I am wondering if the two kernels have different management of iptables, 
> > in particular IPv4 or IPv6, another shot in the dark, even if is 
> > afternoon here
> >
> > tnx
>
> Antonio,
>
> service iptables stop.  I suspect that the IRQ for eth0 is not getting
> properly registered and thus the timeouts.
>
> Does specifying acpi=ht on the SMP kernel command line make any
> difference?  It probably defeats the purpose of SMP.
>
> Bob...

and furthermore prevents from poweroff .... :-(