On 26 April 2013 13:15, Sven Van Caekenberghe <s...@stfx.eu> wrote: > > On 26 Apr 2013, at 12:44, Igor Stasenko <siguc...@gmail.com> wrote: > >> On 26 April 2013 10:27, Pavel Krivanek <pavel.kriva...@gmail.com> wrote: >>> The reason is in the optimalizations in the latest glibc. It really does not >>> write the new content to the changes file immediately. We need to call flush >>> at the end of nextChunkPut: >>> >> This is nasty one. >> What i worry that it affects much more than code working with .changes file. > > Why ? Isn't that standard behavior/semantics: unless you flush you cannot be > sure anything is actually out of the OS' buffers. And even then, disks and > RAID cards are known to lie and sometimes don't write data out even when > flush is called. >
well, it have to be so.. but if it breaks existing code, then it could mean that libc turned from implicit caching/buffering to explicit one. And this could mean many changes here and there. (Besides of that, i never liked RemoteString and other things related to writing to .changes file... that code begs for proper rewrite) > In networking (TCP streams) this is similar. > >>> Cheers, >>> -- Pavel >>> >>> >>> On Fri, Apr 26, 2013 at 9:57 AM, GOUBIER Thierry <thierry.goub...@cea.fr> >>> wrote: >>>> >>>> Reproduced on Ubuntu 13.04. >>>> >>>> Class organization remoteString filePositionHi is past the end of the >>>> changes file (i.e. exactly equal to the file size if the comment is the >>>> last >>>> operation). >>>> >>>> Thierry >>>> ________________________________ >>>> De : pharo-project-boun...@lists.gforge.inria.fr >>>> [pharo-project-boun...@lists.gforge.inria.fr] de la part de Pavel Krivanek >>>> [pavel.kriva...@gmail.com] >>>> Date d'envoi : jeudi 25 avril 2013 21:32 >>>> À : Pharo-project@lists.gforge.inria.fr >>>> Objet : Re: [Pharo-project] cannot modify class comments on Linux >>>> >>>> Jaroslav wrote this: >>>> This does work on F17, but it doesn't work on F18, F19. Maybe glibc issue? >>>> I guess the reproducer needs glibc-2.16 and up, IMHO 12.04 has 2.15 same >>>> as F17, so I guess this would be also reproducible on Ubuntu 13.04. >>>> >>>> -- Pavel >>>> >>>> On Thu, Apr 25, 2013 at 11:16 AM, Gisela Decuzzi <giseladecu...@gmail.com> >>>> wrote: >>>>> >>>>> I'm on 64-bit Ubuntu 12.04 >>>>> >>>>> >>>>> 2013/4/25 Pavel Krivanek <pavel.kriva...@gmail.com> >>>>>> >>>>>> Hi, >>>>>> >>>>>> what architecture and distro do you use because I tried it on a 32-bit >>>>>> Debian and it worked. I'm on 64-bit Fedora 18. That may be the reason why >>>>>> the tests are not failing on CI. This error appears on all old system >>>>>> classes and on newely created classes too. >>>>>> Some next info: https://bugzilla.redhat.com/show_bug.cgi?id=956376 >>>>>> >>>>>> -- Pavel >>>>>> >>>>>> On Thu, Apr 25, 2013 at 10:58 AM, Gisela Decuzzi >>>>>> <giseladecu...@gmail.com> wrote: >>>>>>> >>>>>>> Hi Pavel, I tried in Pharo 2.0 and 3.0 and it work well for me. (just >>>>>>> try in a random class comment) >>>>>>> Are you trying to modify a particular class comment? >>>>>>> >>>>>>> >>>>>>> 2013/4/25 Pavel Krivanek <pavel.kriva...@gmail.com> >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> if you will try to modify a class comment on Linux, the error >>>>>>>> "RemoteString past end of file" will appear. On windows VM it seems to >>>>>>>> work >>>>>>>> well. Can someone confirm this behavior on Linux. Squeak has the same >>>>>>>> problem. >>>>>>>> >>>>>>>> Cheers, >>>>>>>> -- Pavel >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >> >> >> -- >> Best regards, >> Igor Stasenko. >> > > -- Best regards, Igor Stasenko.
