Messages in this thread | | | Date | Mon, 17 May 2010 11:26:28 -0400 | Subject | Re: PROBLEM: tickless scheduling | From | Donald Allen <> |
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Stefan --
Would you check the BIOS on your machine and report the maker and version number? If you've followed this, I'm especially interested to know if it's a Phoenix BIOS.
Thanks -- /Don
On Sun, May 16, 2010 at 12:14 PM, Stefan Biereigel <security@biereigel-wb.de> wrote: > >> Attached. This is from the 2.6.30 kernel on the Arch Linux install cd. >> >> Here's another bit of data. As I've said previously, the problems I'm >> reporting were observed on a Toshiba NB310-305 netbook with a >> single-core Atom 450 processor. I just built myself a mini-ITX system >> using the Intel D510MO motherboard, which provides a dual-core D510 >> Atom processor. The other hardware on the board is similar to the >> Toshiba. I installed the same Slackware snapshot I used on the >> Toshiba, and did the home directory transfer without any problem at >> all with the default tickless kernel. The hardware isn't identical, >> and while I don't know the internals of the Linux kernel at all, my >> gut, backed up by many years of OS development work in scheduling and >> memory management, is telling me that the key difference is dual- vs. >> single-core. Just a guess. >> >> Hope this helps -- >> >> /Don >> > > Hello everyone, > > I hope I can add something here, because I am experiencing the exact same > Problem as Don describes. I'm running a PackardBell EasyNote MB89 featuring > a Core 2 Duo, 4 GB of RAM, Intel Chipset (Santa Rosa), SATA HDD. My Machine > even hangs at boot, absolutely doing nothing until i wiggle the touchpad. > This is definately reproduceable, but I think it doesn't occur that often in > X-Window-System, if X is off I can just wait a couple of seconds and there I > go. > > I compiled other kernels myself with tickless disabled and Ticks set to > various values (250, 1000) which completely resolved my problem. If you > want, I can get you some Output/logs/whatever because I'm fixed to using > this kernel ATM (which doesn't really hurt because I use X and son't shut > down my Notebook that often). > Even though I don't know what exact kernel-version this problem brings > (using another machine ATM from vacation) I can say that I existed since > Opensuse 11.1 I guess, so maybe 2.6.30 and above. > > Hope I can help -- > > Stefan >
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