From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Howells Subject: Not enough IRQs for multiple PCMCIA cards Date: Sat, 10 May 2003 01:48:07 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <200305100148.12713.chrish@gmx.co.uk> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Description: clearsigned data Content-Disposition: inline Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org =2D----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I'm having huge problems trying to get enough IRQs for me to be able to use a PCMCIA modem (D-Link 560) and a Wifi card (Netgear MA401) simultaneously. Basically, after PCI devices have been assigned IRQs there is only one free IRQ which can be allocated to a PCMCIA card. If I disable some stuff like the onboard serial and parallel ports, PCI devices get assigned the IRQs that I have just disabled, which is of absolutely no use. =46or example, if I plug my modem in, it gets assigned IRQ 7. If I remove it, and plug the Wifi card in, it gets assigned IRQ 7. If I put both in simultaneously, the last one to be inserted does not get an IRQ. I have tried with ACPI enabled and with pci=3Dnoacpi. Regrettably, my BIOS (Award Asus L3800C BIOS) does not give me any control how IRQs are designed or PnP OS settings. Currently, the IRQs look something like this: chris@galadriel:~> cat /proc/interrupts CPU0 0: 255219 XT-PIC timer 1: 11434 XT-PIC keyboard 2: 0 XT-PIC cascade 3: 6 XT-PIC eth0, usb-uhci 5: 163935 XT-PIC usb-uhci, Ricoh Co Ltd RL5c476 II, radeon@PCI:1:0:0 7: 56829 XT-PIC serial 8: 2 XT-PIC rtc 9: 17 XT-PIC acpi 11: 29726 XT-PIC Intel 82801CA-ICH3, Ricoh Co Ltd RL5c476 II (#2) 12: 75 XT-PIC PS/2 Mouse 14: 20172 XT-PIC ide0 15: 88 XT-PIC ide1 (this is with the serial and parallel ports disabled in an attempt to free some IRQs, which is something that I do not want to have set permanently). Thanks for any ideas =2D --=20 Cheers, Chris Howells -- chris-NvB7AskkBIqIudiWw5vspbVCufUGDwFn@public.gmane.org, howells@kde.org Web: http://chrishowells.co.uk, PGP ID: 33795A2C KDE: http://www.koffice.org, http://printing.kde.org, http://usability.kde.= org =2D----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2-rc1-SuSE (GNU/Linux) iD8DBQE+vExMF8Iu1zN5WiwRAteVAJ9K2mj+vnwWfX6RKZ/qM1IE+bUi0gCeI75e cmFCA1Icv4qEZFCl0l2Gl8c=3D =3Dy+hM =2D----END PGP SIGNATURE----- ------------------------------------------------------- Enterprise Linux Forum Conference & Expo, June 4-6, 2003, Santa Clara The only event dedicated to issues related to Linux enterprise solutions www.enterpriselinuxforum.com