Actually, gdb seems not to want to debug this -- in either the Debian-magic version or the one I configured/made on my own system, I get to the View() command and get
>> View(v) > [Thread debugging using libthread_db enabled] > Error while reading shared library symbols: > Cannot find new threads: generic error > Cannot find new threads: generic error ?? cheers Ben Bolker Kjetil Halvorsen wrote: > I can reproduce this too. > Run from within emacs: > >> v <- data.frame(1:3,2:4) >> sessionInfo() > R version 2.9.0 (2009-04-17) > i686-pc-linux-gnu > > locale: > LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=C;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base >> View(v) >> > *** caught segfault *** > address 0x4, cause 'memory not mapped' > > Possible actions: > 1: abort (with core dump, if enabled) > 2: normal R exit > 3: exit R without saving workspace > 4: exit R saving workspace > Selection: 3 > > Process R exited abnormally with code 70 at Tue May 12 22:41:55 2009 > > Kjetil > > > On Tue, May 12, 2009 at 9:59 PM, Dirk Eddelbuettel > <e...@debian.org<mailto:e...@debian.org>> wrote: > > On 12 May 2009 at 19:46, Ben Bolker wrote: > | It's my vague impression that View() is workable on Windows and maybe > | on MacOS, but on Ubuntu Linux 9.04 (intrepid) it seems completely > | unstable. I can reliably crash R by trying to look at a very small, > | simple data frame ... > | > | I was going to try to run with debug turned on, but my installed > | version (2.9.0) doesn't have debugging symbols, and I'm having trouble > > Good news: just run > > sudo apt-get install r-base-core-dbg > > Most (library) packages (lib)foo now also ship (lib)foo-dbg which is provide > something close to pure magic -- just by installing these the already > instrumented gdb knows where to look for them. See, no more recompiling. > Debug symbols appear out of thin air. (I have used it only on Debian at home > when debugging R stuff, but it should really work the same for you there on > Ubuntu.) > > | building the latest SVN version (./configure gives "checking for > | recommended packages... ls: cannot access > | ./src/library/Recommended/boot_*.tar.gz: No such file or directory") > > It's moot as per the above but you need to either run the script to rsync > those in, or configure using > > --without-recommended-packages > > As for x11 instability, I happen to spend my daytime hours in from of > Cygwin/X connected to a few Ubuntu machines running R, and of late the > display has been unstable. I tend to blame the other software first, but > indeed, the most recent change was probably R. Did anybody experience that? > > | Can anyone confirm? > | > | cheers > | Ben Bolker > | > | > | R --vanilla > | > | > v <- data.frame(1:3,2:4) > | > sessionInfo() > | R version 2.9.0 (2009-04-17) > | i486-pc-linux-gnu > | > | locale: > | > LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=C;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C > | > | attached base packages: > | [1] stats graphics grDevices utils datasets methods base > | > | > View(v) > | > | [change focus to the view window, hit "down arrow"] > | > | > > | *** caught segfault *** > | address 0x4, cause 'memory not mapped' > | > | Possible actions: > | 1: abort (with core dump, if enabled) > | 2: normal R exit > | 3: exit R without saving workspace > | 4: exit R saving workspace > | Selection: 3 > > Confirmed. Dies for me too, but from Debian and Ubuntu connected to the same > display (Ubuntu 9.04). > > Dirk > > -- > Three out of two people have difficulties with fractions. > > ______________________________________________ > R-devel@r-project.org<mailto:R-devel@r-project.org> mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Ben Bolker Associate professor, Biology Dep't, Univ. of Florida bol...@ufl.edu / www.zoology.ufl.edu/bolker GPG key: www.zoology.ufl.edu/bolker/benbolker-publickey.asc
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