Re: komd issues - was [Re: [openMosix-general] openmosix 2.4.26 in 2.4.31?]
Florian Delizy <[email protected]>
| Newsgroups | gmane.linux.cluster.openmosix.devel |
|---|---|
| Message-ID | <[email protected]> |
Moshe Bar wrote: > Florian > What help do you need specifically? > well, I think we should put all our efforts getting kcomd done as soon as possible (and integrate it in the main git distribution), more people tracking a bug should help solving it faster ... > I am glad to help. > I have also in the last 12 months rewritten openMosix from scratch, > completely new code and implemented it as a kernel module. In one or two > more months I should be done. > Do you mean we should not work on the current git anymore ?? and will kcomd integrate this new code as well ? > Moshe > > -----Original Message----- > From: openmosix-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > [mailto:openmosix-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of Florian > Delizy > Sent: Wednesday, September 20, 2006 11:38 AM > To: Ian Latter > Cc: [email protected]; Matt Dew; > openmosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > Subject: Re: [Openmosix-devel] komd issues - was [Re: [openMosix-general] > openmosix 2.4.26 in 2.4.31?] > Ian Latter wrote: > >> Hello, >> Is there a patch that you can refer us to for the kcomd segfault? >> (as in, the one that contains the kcomd code, not the one that >> contains the fix ;-) >> I'm not in a position to test it, but I can run a set of eyes over >> it - though I suspect I've coded more segfaults than I've fixed. Late >> night code and pointers to pointers don't mix ... >> >> > I recommend you to setup a quilt sandbox (as described in the wiki), you can > then have a good view of the code .... > I am going for debug too, I hope we'll fix it soon. > Matt, Moshe, Vincent, I'll send new patches based on the last 14 patches, > btw, the patch number 14 (kcomd-debug) should not be applied. > I too would greatly appreciate some assistance for having a working kcomd > ... > Florian > >> ----- Original Message ----- >> >> >>> From: "Matt Dew" <[email protected]> >>> To: <moshe-ay74M1d3r6RWk0Htik3J/[email protected]> >>> Subject: [Openmosix-devel] komd issues - was [Re: [openMosix-general] >>> > openmosix > >>> >>> >> 2.4.26 in 2.4.31?] >> >> >>> Date: Tue, 19 Sep 2006 17:11:49 -0600 >>> Moshe, >>> kcomd has one show stopper. There is a bug that causes migrated >>> processes to segfault whenever a system call is issued. Since even >>> exit() is a system call it's a major problem. This bug doesn't happen >>> on every migrated process so it's been difficult to pin down. >>> Sadly, I've spent a large amount of time on this bug to no avail. I >>> need some assistance in fixing it. >>> Other issues are to finish the spinlocks for smp safety and change the >>> migration code to speed up migrations. Neither of these two do I >>> consider major issues. >>> Florian has been very helpful in breaking up the big patch into smaller >>> ones. Thanks again Florian. >>> Matt >>> On Mon, 2006-09-18 at 09:16 +0000, moshe bar wrote: >>> >>> >>>> We need to have a strong effort to test your tools by as many people >>>> as possible and then release them as one package by Kris. >>>> Matt what's missing on the kcomd side? >>>> Moshe >>>> On Sep 18, 2006, at 4:24 AM, Carl Radford ((DC0854-IT)) wrote: >>>> >>>> >>>>> Hi Moshe, >>>>> The 2.6 tools are not the problem (my version is already usable, >>>>> awaiting user feedback). >>>>> Matt Dew has been putting some serious effort into kcomd, and needs >>>>> >>>>> the help of others to put some >>>>> effort in. The only person that appears to be onboard with this so >>>>> far is Florian. >>>>> -----Original Message----- >>>>> From: moshe bar [mailto:moshe-ay74M1d3r6RWk0Htik3J/[email protected]] >>>>> Sent: 17 September 2006 16:25 >>>>> To: [email protected] >>>>> Cc: openmosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org; Irfan Habib >>>>> Subject: Re: [openMosix-general] openmosix 2.4.26 in 2.4.31? >>>>> Martin >>>>> Yes, we are glad to have oMFS and DFSA behind us. Using something >>>>> like Red Hat's GFS is so much more better. >>>>> David (Orcero), where are we with the user space tools? >>>>> Moshe >>>>> On Sep 17, 2006, at 8:51 AM, Deadpan110 wrote: >>>>> >>>>> >>>>>> I read somewhere in the oM development user lists that someone was >>>>>> working on a 2.4.32 kernel patch (without checking, I wouldnt know >>>>>> >>>>>> how >>>>>> stable it is or even if it is finished). >>>>>> openMosix could definately do with a patch for 2.4.32 while we have >>>>>> the long wait for the 2.6.* versions with userspace tools. >>>>>> Out of curiosity, I tried the Mosix 2.4.32 kernel patch and found >>>>>> >>>>>> >>> it >>> >>> >>>>>> fairly unstable along with the old problems of MFS and DFSA >>>>>> (expecially if you use pivot_root). >>>>>> It didn't take me long to decide to switch back to openMosix 2.4.26 >>>>>> instead! >>>>>> Martin >>>>>> On 15/09/06, James Wagner <jwagner-I/[email protected]> wrote: >>>>>> >>>>>> >>>>>>> I've tried to do so, but after 3 hours of beating my head into the >>>>>>> wall >>>>>>> trying to determine the differences and exactly where to manually >>>>>>> apply >>>>>>> the changes, gave up. It's far easier to simply download the full >>>>>>> (already-patched) 2.4.26 kernel and configure lilo to dual-boot. >>>>>>> I only >>>>>>> needed a cluster's power for a single project though, so this may >>>>>>> not be >>>>>>> acceptable for your situation. >>>>>>> I take it that you're another slackware fan? :) >>>>>>> Jim >>>>>>> Irfan Habib wrote: >>>>>>> >>>>>>> >>>>>>>> Hi, >>>>>>>> Is it possible for me to patch the 2.4.31 kernel with >>>>>>>> the available OM 2.4.26 patch? >>>>>>>> regards >>>>>>>> Irfan >>>>>>>> __________________________________________________ >>>>>>>> Do You Yahoo!? >>>>>>>> Tired of spam? Yahoo! Mail has the best spam protection around >>>>>>>> http://mail.yahoo.com >>>>>>>> >>>>>>>> >>> ------------------------------------------------------------------- >>> >>> >>>>>>>> - >>>>>>>> ----- >>>>>>>> Using Tomcat but need to do more? Need to support web services, >>>>>>>> security? >>>>>>>> Get stuff done quickly with pre-integrated technology to make >>>>>>>> your job easier >>>>>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>>>>>>> Geronimo >>>>>>>> http://sel.as-us.falkag.net/sel? >>>>>>>> cmd=lnk&kid=120709&bid=263057&dat=121642 >>>>>>>> _______________________________________________ >>>>>>>> openMosix-general mailing list >>>>>>>> openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >>>>>>>> https://lists.sourceforge.net/lists/listinfo/openmosix-general >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>> -------------------------------------------------------------------- >>> >>> >>>>>>> - >>>>>>> ---- >>>>>>> Using Tomcat but need to do more? Need to support web services, >>>>>>> security? >>>>>>> Get stuff done quickly with pre-integrated technology to make your >>>>>>> job easier >>>>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>>>>>> Geronimo >>>>>>> http://sel.as-us.falkag.net/sel? >>>>>>> cmd=lnk&kid=120709&bid=263057&dat=121642 >>>>>>> _______________________________________________ >>>>>>> openMosix-general mailing list >>>>>>> openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >>>>>>> https://lists.sourceforge.net/lists/listinfo/openmosix-general >>>>>>> >>>>>>> >>>>>> >>>>>> >>> --------------------------------------------------------------------- >>> >>> >>>>>> - >>>>>> --- >>>>>> Using Tomcat but need to do more? Need to support web services, >>>>>> security? >>>>>> Get stuff done quickly with pre-integrated technology to make your >>>>>> job easier >>>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>>>>> Geronimo >>>>>> http://sel.as-us.falkag.net/sel? >>>>>> cmd=lnk&kid=120709&bid=263057&dat=121642 >>>>>> _______________________________________________ >>>>>> openMosix-general mailing list >>>>>> openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >>>>>> https://lists.sourceforge.net/lists/listinfo/openmosix-general >>>>>> >>>>>> >>>>> >>>>> >>> ---------------------------------------------------------------------- >>> >>> >>>>> --- >>>>> Using Tomcat but need to do more? Need to support web services, >>>>> security? >>>>> Get stuff done quickly with pre-integrated technology to make your >>>>> job easier >>>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>>>> Geronimo >>>>> http://sel.as-us.falkag.net/sel? >>>>> cmd=lnk&kid=120709&bid=263057&dat=121642 >>>>> _______________________________________________ >>>>> openMosix-general mailing list >>>>> openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >>>>> https://lists.sourceforge.net/lists/listinfo/openmosix-general >>>>> >>>>> >>>> >>>> >>> ------------------------------------------------------------------------- >>> >>> >>>> Using Tomcat but need to do more? Need to support web services, >>>> >>>> >>> security? >>> >>> >>>> Get stuff done quickly with pre-integrated technology to make your job >>>> >>>> >>> easier >>> >>> >>>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>>> >>>> >>> Geronimo >>> >>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >>> >>> >>>> _______________________________________________ >>>> openMosix-devel mailing list >>>> openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >>>> https://lists.sourceforge.net/lists/listinfo/openmosix-devel >>>> >>>> >>> ------------------------------------------------------------------------- >>> Take Surveys. Earn Cash. Influence the Future of IT >>> Join SourceForge.net's Techsay panel and you'll get the chance to share >>> > your > >>> opinions on IT & business topics through brief surveys -- and earn cash >>> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV >>> _______________________________________________ >>> openMosix-devel mailing list >>> openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >>> https://lists.sourceforge.net/lists/listinfo/openmosix-devel >>> >>> >> -- >> Ian Latter >> Late night coder .. >> http://midnightcode.org/ >> ------------------------------------------------------------------------- >> Take Surveys. Earn Cash. 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