[Adding CCs] On Thursday, 7 of August 2008, Matt Parnell wrote: > I have had a long ongoing ordeal dealing with the problems associated > with the HP Pavilion Laptops, mine being a dv9000 series. It seems > that these either have a broken HPET table, a missing HPET table, or > some other ACPI issue, as this thing has always had many issues > regarding ACPI. First, C1E was broken until I totally disabled it with > a patch, but since .27, that code has been rewritten, and now for some > reason HPET isn't working anymore, as I have to set the > clocksource=tsc. On top of that, the tsc clocksource is unstable, and > with or without dynticks the .27 kernels on my laptop feel slower, and > laggy, as even KDE slows down whilest using it. Everything works fine > if I disable the local apic (lapic), but when I do, only one of my CPU > cores is detected and used, and the CPU frequency scaling doesn't work > either. No matter what I do with .27, it just won't work. > > I've tried with the linux next kernel as suggested by Eduard Munteanu, > to no avail with the same problem. He said this: > > "This is not the right fix. Instead, HPET should be used as a timer > source for dynticks. This is not in 2.6.26, but I tried the linux-next > tree (google it) and it looked like dynticks worked fine, without > disabling C1E. Can't place my finger on the exact commit, but you could > check." > > Apparently, it's either this or something closely related that is > causing such calamity for users of these HP/Compaq laptops as myself. > I say this not just for me, as there are many thousands who have > issues with these laptops and their crappy bios implementations. Most > are n00bs using Ubuntu, who can't even voice what's wrong, as they are > new to linux anyway. > > That said, here are system specifics regarding the motherboard and make. > > HP Pavilion dv9205us > Motherboard: Quanta 30B7 > Processor: AMD Turion 64 x2 3.2ghz, TL-50 > Bios: Phoenix (this is known to be buggy, but until now I had no > problems since 2.6.24. Compiled on Windows, this bios is.) > > Other than that, I have no pertinent information, at least until > someone asks something specific. I wouldn't be contacting you all if I > wasn't at the end of my own resources, as I am part of the Zen kernel > community, and they can usually help out with these sorts of things. > (zen-sources.org). > > Anyway, I appreciate any help/response I can get out of this. > > Thanks! > Matt Parnell > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
