Messages in this thread | | | Subject | RE: [PATCH][2.6.0-test4] Fix 'pci=noacpi' with buggy ACPI BIOSes | Date | Sun, 14 Sep 2003 01:53:57 -0400 | From | "Brown, Len" <> |
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Thomas, Thanks for the fix. I took the liberty of dropping your note into http://bugzilla.kernel.org/show_bug.cgi?id=1219 and we'll use that means to track that the right fix gets into both 2.4 and 2.6.
Thanks, -Len
> -----Original Message----- > From: Thomas Schlichter [mailto:schlicht@uni-mannheim.de] > Sent: Monday, August 25, 2003 4:32 AM > To: Andrew Morton > Cc: LKML; Joonas Koivunen; Peter Lieverdink; Grover, Andrew > Subject: [PATCH][2.6.0-test4] Fix 'pci=noacpi' with buggy ACPI BIOSes > > > Hi Andrew, > > the attached patch fixes interrupt routing probems for (at > least 3) people > with broken ACPI BIOSes. If only the ACPI interrupt routing > part is broken, > 'pci=noacpi' should help as the documantation states: > > pci=option[,option...] > [...] > noacpi [IA-32] Do not use ACPI for IRQ routing. > > The problem was that ACPI interrupt routing was not correctly > disabled. > The patch applies cleanly to 2.6.0-test4... > > Thomas > > On Monday 25 August 2003 03:13, Peter Lieverdink wrote: > > Hi Thomas, > > > > Your patch works beautifully. 'acpi=nopci' previously > caused IDE to work > > fine, but made the kernel not detect USB and network > devices. With your > > patch it sees all peripherals AND acpi is available for the > cpu. I wonder > > if it would be accepted into the kernel as a patch to > workaround buggy acpi > > bioses. > > > > Thanks heaps! > > > > - Peter. > > -- > > > > At 23:44 24/08/2003 +0200, you wrote: > > >Am Sunday 24 August 2003 22:54 schrieb David van Hoose: > > > > Kevin P. Fleming wrote: > > > > > Peter Lieverdink wrote: > > > > >> When I enable ACPI on 2.6.0-test4 (also on > 2.6.0-test3-*), the > > > > >> kernel no longer recognises my IDE controller and > drops down to PIO > > > > >> mode for harddisk access. Additionally, USB devices don't get > > > > >> detected. > > > > > > > > > > I'm running -test4 here with ACPI and have no trouble with USB > > > > > devices. > > > > > > > > I'm running test4 here with ACPI and have no USB > following a call trace > > > > with "IRQ 20: nobody cared". ACPI seems to make odd > reports. I've been > > > > having this problem since 2.5.70'ish. Posted numerous > times, but nobody > > > > seems to care about it. I also have a PS/2 mouse > detection when I have > > > > no mice attached to my system. > > > > > > > > >> The system is an Athlon 2400+ on a Gibabyte GA-7VAXP > mainboard. > > > > >> (KT400) > > > > > > > > > > My system is an Athlon 1000 on an MSI KT266-based board. > > > > > > > > I have a Pentium 4 2.53 GHz on a Asus P4S8X mainboard. > > > > > > > > -David > > > > > > > > PS. dmesg is attached with ACPI debug and USB debug enabled. > > > > > >I had similar problems with my Epox 8K9A (KT400) Board. > > > > > >If I wanted to use my USB ports I had to boot wiht > 'acpi=off'. But with > > > the patch attached it is possible for me to boot with > 'pci=noacpi'. It > > > has the advantage that ACPI stays enabled... > > > > > >You are free to give it a try... > > > > > > Thomas > > On Sunday 10 August 2003 01:24, Joonas Koivunen: > > On Saturday 09 August 2003 19:02, Thomas Schlichter wrote: > > > It's not a problem with ACPI, it's more a problem with > the interrupt > > > routing based on the ACPI tables. These tables seem to be > not correctly > > > implemented in the BIOS and, as the german EPOX support > admits, are not > > > really tested. To change this you may contact the EPOX support and > > > describe your problems, too.... > > > > Thanks for letting me know.. I had a image of EPOX being > pretty good with > > motherboards.. Guess not then. > > > > > If you want to use ACPI while this BIOS bug is not fixed > you may use the > > > attached patch and boot with pci=noacpi. Without the > patch this doesn't > > > work for me here... > > > > Why isn't this patch in the mainstream kernel? There are many other > > chipset/bios fixes in the kernel.. This would save many > > reboot/recompilings/worries until or if ever epox does > something with the > > bios. > > > > The patch works nicely. Though I did apply it manually to > -test3 :) But it > > works. > > > > > Best regards > > > Thomas Schlichter > > > > Thanks again > > -rzei > - 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/
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