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]> |
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? 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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. 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 > > ------------------------------------------------------------------------- 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