Tiago, Re: CPU0 0: 68 IO-APIC-edge timer 1: 2 IO-APIC-edge i8042 4: 2 IO-APIC-edge 6: 5 IO-APIC-edge floppy 7: 1 IO-APIC-edge parport0 8: 2 IO-APIC-edge rtc0 9: 0 IO-APIC-fasteoi acpi 12: 4 IO-APIC-edge i8042 14: 0 IO-APIC-edge ide0 20: 19847 IO-APIC-fasteoi sata_nv 22: 970732 IO-APIC-fasteoi ehci_hcd:usb2, nvidia 23: 98 IO-APIC-fasteoi ohci_hcd:usb1, HDA Intel 221: 1619685 PCI-MSI-edge eth2 ---------- Among the active processes the following could likely be benefically shutdown: floppy, parport0, the USB functions ehci_hcd:usb2, ohci_hcd:usb1, eth2 You can likely identify their drivers among the output of $ lspci then create a file: # gedit /etc/modprobe.d/tiago with lines in format: blacklist driver1 blacklist driver2 # etc Then reboot and check for activation of: PCI interrupt for device 0000:01:06.0 I'm sure there are Debian setup tools which would provide for more efficien/effective suppression of these functions, but you should query Debian lists if it is not apparent who to do so. I'm traveling today and don't have time for more detail. MarvS On Fri, Mar 27, 2009 at 2:18 PM, Tiago Saboga <tiagosaboga@xxxxxxxxx> wrote: > On Fri, Mar 27, 2009 at 01:41:47PM -0400, Marvin Stodolsky wrote: >> Tiago, >> >> Re:[ 12.909816] ACPI: PCI interrupt for device 0000:01:06.0 disabled >> Among the various processes/hardware of the System, the Linux kernel >> assigns a low priority to modem function. So when there is some >> resource conflict: >> PCI interrupt for device 0000:01:06.0 disabled (the modem) >> Read DOCs/Bootup.txt about possible fixes. > > Ok, thanks. Forgot to say that I already tested pci=routeirq and > pollirq in kernel command line, without differences. And I do not have > easy physical access to this machine, so I have not played with > anything in the bios. > >> Also do: >> $ cat /proc/interrupts >> tiago.txt >> $ dmesg >> tiago.txt >> >> and send us the tiago.txt. We will help you identify processes which >> might be shutdown to enable more resources for modem usage. > > It is attached. Further help will be welcome. > > Thanks, > > Tiago. > >