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SubjectRE: Fwd: ACPI & I4L irq confilct: bug reporting on kernel 2.4.0-test8-pre4
Date
    I have several systems (Siemens Scenic PRO D6 - P-II 233 - 64MB) running
with 4 asus (type 36) in the same irq. I had to modify the code to add the
shareable flag. No problem at all.

Regards.

==============================================================
Jorge Boncompte - Técnico de sistemas
DTI2 - Desarrollo de la Tecnología de las Comunicaciones
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C/ Abogado Enriquez Barrios, 5 14004 CORDOBA (SPAIN)
Tlf:+34 957 761395 / Móvil:+34 696 906252 / FAX:+34 957 450380
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Without wicker a basket cannot be done.
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----- Mensaje original -----
De: "Werner Cornelius" <Cornelius@isdn-development.de>
Para: "Guido Trentalancia" <guido.trentalancia@tin.it>
CC: <linux-kernel@vger.kernel.org>; <linux-net@vger.kernel.org>
Enviado: jueves, 07 de septiembre de 2000 9:58
Asunto: Re: Fwd: ACPI & I4L irq confilct: bug reporting on kernel
2.4.0-test8-pre4


>
>
> Guido Trentalancia schrieb:
> >
> > On Wed, 06 Sep 2000, you wrote:
> > > Guido Trentalancia schrieb:
> > >
> > > Hello Guido,
> > >
> > > > >Hi !
> > > > >This is a bug reporting, included are the output of various /proc
file
> > > > > on my system:
> > > > >Motherboard: ASUS P2B-F with the latest bios bx2f113.awd (microcode
> > > > > update) ISDN: Winbond based card (Hisax type=36)
> > > > >Distribution: based on updated SuSE 6.4
> > > > >
> > > > >The problem is that if I compile the kernel (2.4.0-test8
> > > > > pre1,pre2,pre3,pre4) with both ACPI support and ISDN support there
is a
> > > > > conflict in irq 9. I think ACPI first get irq 9 and then Hisax
can't
> > > > > get it. Consequentially Hisax doesn't work if ACPI support is
enabled.
> > > > >With ACPI turned off, everything works fine as with previous kernel
> > > > > test6 and test5 and ....
> > > > >Many thanx.
> > > >
> > > > after further testing the problem seems to be in IRQ SHARING.
> > > > in fact, with acpi disabled, once the hisax has got irq 9 (it is not
> > > > possible for card type 36 to change the irq), i can load the
ethernet
> > > > modules 8390 and ne2k-pci for my ethernet PCI NE2000 card, but the
> > > > ne2k-pci driver also set its irq=9, so everytime i try to do:
> > > >
> > > > ifconfig eth0 up
> > > >
> > > > i get:
> > > >
> > > > SIOCSIFFLAGS: resource temporarily unavailable
> > > >
> > > > why don't add the irq parameter to the hisax winbond driver and to
the
> > > > ne2k-pci driver ?
> > >
> > > there is no need or even sense to add such parameter, as irqs are
> > > assigned by the bios or OS for PCI type cards. The driver is supplied
> > > with the selected irq which is normally assigned during boot by the
> > > systems bios.
> > > You should change the bios PCI/Pnp setup to reflect your needs.
> > > I don't know if the Winbond driver supports IRQ-sharing, but other i4l
> > > drivers like the HFC-PCI which I maintain allow irq sharing without
any
> > > problems even if 3 cards share it.
> > > So please setup your bios correctly and everything will work fine.
> > >
> > > > p.s.
> > > > my motherboard has pci slot 4 and slot 5 condivided and the isdn
card is
> > > > on slot 4 while ethernet on slot 5.... so one may say "change your
> > > > motherboard", but everything worked fine with previous kernels
(ACPI,
> > > > Hisax, ethernet)....
> > > >
> > > > Please help me.
> > > > Many thanx.
> > > > Please answer only via email: guido.trentalancia@tin.it
> > > > --
> > > > bye,
> > > > Guido Trentalancia
> > >
> > > Werner
> >
> > the problems seems to be in the winbond driver
(driver/isdn/hisax/w6692.[ch])
> > i tried to contact the author but the email address doen't exists
anymore
> > (petr.novac@i.cz) could you help me ?
>
> I will have a look at the driver.
> Petrs Mail address should be petr.novak@i.cz
> Petr wrote the driver and handed them to the i4l crew.
> As far as I can recognize the driver doesn't set the shareable flag for
> the interrupt.
> I might change this and send it to you for a test. If it works we may
> take it into CVS.
>
>
> > ACPI and NE2000 seems to be ok...
> > many thanx.
> > --
> > --
> > bye,
> > Guido Trentalancia
> > please reply via email
> >
>
> Werner
> -
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>

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