On Fri, 29 Jun 2007 [EMAIL PROTECTED] wrote: > Hi, > > I've recently compiled a "vanilla" 2.6.21 kernel, patched with Ingo Molnar's > rt-8 patch, as I was unable to compile with rt-7. > > I needed it because I'm using audio applications (tests were made with > FrugalWare, but I don't think it's a distro issue). > > Everything was allright until I changed my motherboard for an Asrock > 4coreDual-Vsta (I formerly used a Nforce4 one), with VIA PT880 Ultra chipset. > > I've justed switched the hardware, as Linux is neat enough to boot without > having to reinstall the whole OS. > > Since, I get tons of xruns when using RT applications, and the only solution > I've found to "fix" it was to disable ACPI at boot time.
Interestingly, this looks very similar to a problem I had... Could you, please, verify if acpid is running (with ACPI configured on), and if yes - stop it and retest for xruns? Thanks Guennadi > Moreover, I get this message at boot time : > PCI: BIOS bug: MCFG [EMAIL PROTECTED] is not E820 reserved > PCI: not using MMCONFIG > > I've also tested this hardware setup with a UbuntoStudio kernel (2.6.19), > and everything works flawlessy (no XRUNS, no kernel messages) ! > > So here is my question (I'd like to understand what's happening) : > - is it a kernel (or patch) issue ? > - is it a bad chipset support in the latest kernel versions ? > - could this be related to BIOS issues only (I've tried all available > versions without any change) ? > - should I use special settings in the ".config" in order to avoid these > problems ? > > I wasn't able to detect what causes these XRUNS, so if anyone has clues ... > > Regards > skb > > > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > --- Guennadi Liakhovetski - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
