Axel Thimm said...
> Several weeks ago there had been a thread on the pirq
> assignments of newer VIA
> and SiS chipsets ending with everybody happy.
>
> Everybody? Not everybody - there is a small village of
> chipsets resisting the
> advent of 2.4.x :(
>
> The system is a KT133A (MSI's K7T Turbo MS-6330 board)/Duron 700
> system. Kernel 2.4.x have IRQ routing problems and USB
> failures (the latter
> will most probably be due to IRQ mismatches, I believe).
>
> 2.2 kernel = 2.2.17 RH-kernel
> 2.4 kernel = 2.4.3 kernel with 'yes ""|make config' (I also
> tried configuring
> and -ac3 patches to no avail.)
>
> I attached dmesg, lspci -vvvxxx (under both 2.2 and 2.4), and
> dump_irq (which
> is the same for both kernels)
>
> As far as I could follow the discussion back in January a
> problem seem to be
> that different chipset vendors may arbitrary map pirq to
> links ('A' vs 1
> etc.). On my board I see that there is a rather strange
> mapping. Maybe this
> confuses 2.4.3?
>
> Most prominent difference in the lspci -vvvxxx output (to me)
> is the interrupt
> with the unknown pin:
>
> > @@ -162,6 +162,7 @@
> > 00:07.4 Host bridge: VIA Technologies, Inc. VT82C686
> [Apollo Super ACPI] (rev 40)
> > Control: I/O- Mem- BusMaster- SpecCycle- MemWINV-
> VGASnoop- ParErr- Stepping- SERR- FastB2B-
> > Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr-
> DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> > + Interrupt: pin ? routed to IRQ 11
> > Capabilities: [68] Power Management version 2
> > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
> PME(D0-,D1-,D2-,D3hot-,D3cold-)
> > Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
> Maybe it is a KT133A != KT133 issue. Note that the analysis
> above is the best
> I can provide, which has nothing to do with a good analysis.
>
> Any help mostly appreciated! My board wants to run 2.4.x!!!
>
> BTW kernel 2.2.x does not give any irq related messages in
> its logs. Does this
> mean that 2.2.x works well, or that the errors are just not displayed?
>
> Thanks, Axel.
> --
> Axel.Thimm@physik.fu-berlin.de
>
I have the same motherboard with the same lspci output (i.e. I get the "pin
?" part), but I don't see any problems running 2.4.3 or 2.4.3-ac[23]. I am
only using a trackball on my USB port - what problems are you seeing?
-- Manuel A. McLure - Unify Corp. Technical Support <mmt@unify.com> Space Ghost: "Hey, what happened to the-?" Moltar: "It's out." SG: "What about-?" M: "It's fixed." SG: "Eh, good. Good." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Apr 15 2001 - 21:00:13 EST