Hi all, nice to see that you have found a solution for your install.
I'll keep your excellents tests infos for all the futur users. Thank's, Laurent lprod.org Fernando Gomes wrote: > I've used the article https://wiki.ubuntu.com/DebuggingACPI to try to > debug the ACPI problem, and the results were the following: > > acpi=off - Working, as I told in the previous email > acpi=ht - Also working > pci=noacpi - Also working > acpi=noirq - Also working > pnpacpi=off - This is the only one that keep the same problems (slow > mouse, etc.) > noapic - Working > nolapic - Working > > So, only the pnpacpi=off has the previous problems. The only > conclusion I can get is that the problem is not related to the plug > and play code, but I can't figure from the previous results how to > narrow down the problem, since every other variant works. > > It also seems that using nolapic I have more processing reported by > the jack control (always using the same applciations open and playing > the same drum track on hydrogen, I have a value between 2.2% and 2.5% > with all the ACPI options except with nolapic where the values are > between 2.6% and 3% > > Fernando > > On Sat, May 8, 2010 at 11:37 PM, Fernando Gomes <[email protected]> wrote: > >> Hi all and thanks for the tips. The problem seems to be solved (at >> least until now) using the option acpi=off. I'm writing this message >> on the rt kernel on the same machine that locked up only a few moments >> after booting, now it is working for about one hour, running jack, >> ZynAddSubFx, Rosegarden, Hydrogen and Rackarrack. Once again thanks >> for your advice. >> I've tried to look for a newer bios version for this board but I'm >> already using the latest version. How this acpi=off option will impact >> on the system performance? I will make some more tests using >> alternative acpi configurations tomorrow and I'll let you know the >> results. >> >> Best regards >> >> Fernando >> >> On Sat, May 8, 2010 at 2:07 PM, Scott Lavender <[email protected]> >> wrote: >> >>> On Sat, May 8, 2010 at 5:44 AM, Roy Damen <[email protected]> wrote: >>> >>>> Dear John, >>>> >>>> On my machine i had a similar problem with rt. After more than 1,5 year of >>>> searching, trying out and lots of help with explanation on the ubuntuforums >>>> i discovered that it was this BIOS setting that must be turned off: IOAPIC >>>> It seems that ubuntu can manage this by itself(if i understood correctly) >>>> I >>>> bet this solves your problem too! >>>> >>>> 2010/5/7 jONE <[email protected]> >>>> >>>>> Hi Fernando I've got an AMD Athlon 64 X2 4000+ processor too and had >>>>> problems with the RT kernel since I first installed 8.04 onwards. I tried >>>>> pretty much everything until a few days ago, when I simply "loaded >>>>> optimized >>>>> settings" on my BIOS and believe it or not, no mouse delay and no hanging >>>>> at >>>>> all. My hammerfall soundcard's delay <10ms recording 16channels. I >>>>> honestly >>>>> don't know what setting in the BIOS messed it up since "optimized >>>>> settings" >>>>> or "default settings" options don't specify much and I've tweaked the >>>>> thing >>>>> so many times I lost track of what the original setting was! Maybe give >>>>> that >>>>> a try? >>>>> Good luck! >>>>> >>>>> John >>>>> >>> I remember several years ago there were some problems with peoples systems >>> acting sluggish or freezing with the -rt kernel during Hardy. If I remember >>> correctly it had to do with acpi, although I cannot find any of those emails >>> on the mailing list. >>> >>> However, I did find a Ubuntu Studio review by Dave Phillips that also >>> mentions the acpi situation: >>> http://www.linuxjournal.com/content/judgement-day-studio-dave-tests-ubuntu-studio-904 >>> >>> Also, this 64Studio forum posts discusses it a little more: >>> http://www.64studio.com/node/1111 >>> >>> Hope this helps. >>> >>> ScottL >>> >>> -- >>> Ubuntu-Studio-users mailing list >>> [email protected] >>> Modify settings or unsubscribe at: >>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users >>> >>> >>> > > -- Ubuntu-Studio-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
