VM crash on Ubuntu 14.04
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Hi all,
I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? Thanks in advance! vm version: 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 1-a965-2975997bba66 May 15 2014 NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 975997bba66 May 15 2014 https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ gmail.com> Jenkins build #14826 Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 2 i686 i686 i386 GNU/Linux plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ ws/src/pharo/vm/] ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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Bump.
Nobody can at least tell me how to get more debug info? > On Oct 21, 2015, at 15:25, Johan Fabry <[hidden email]> wrote: > > Hi all, > > I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. > > There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). > > Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? > > Thanks in advance! > > vm version: > 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] > NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 > 1-a965-2975997bba66 May 15 2014 > NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 > 975997bba66 May 15 2014 > https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 > f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ > gmail.com> Jenkins build #14826 > Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 > 2 i686 i686 i386 GNU/Linux > plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ > ws/src/pharo/vm/] > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile > > > ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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is there a crash,dmp?
> On 22 Oct 2015, at 16:37, Johan Fabry <[hidden email]> wrote: > > Bump. > > Nobody can at least tell me how to get more debug info? > >> On Oct 21, 2015, at 15:25, Johan Fabry <[hidden email]> wrote: >> >> Hi all, >> >> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >> >> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >> >> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >> >> Thanks in advance! >> >> vm version: >> 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] >> NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 >> 1-a965-2975997bba66 May 15 2014 >> NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 >> 975997bba66 May 15 2014 >> https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 >> f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ >> gmail.com> Jenkins build #14826 >> Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 >> 2 i686 i686 i386 GNU/Linux >> plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ >> ws/src/pharo/vm/] >> >> >> ---> Save our in-boxes! http://emailcharter.org <--- >> >> Johan Fabry - http://pleiad.cl/~jfabry >> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >> >> >> > > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile > > |
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No, I cannot find any file named crash.dmp or anything containing the word crash in my home dir (using find | grep crash ) > On Oct 22, 2015, at 11:40, Esteban Lorenzano <[hidden email]> wrote: > > is there a crash,dmp? > >> On 22 Oct 2015, at 16:37, Johan Fabry <[hidden email]> wrote: >> >> Bump. >> >> Nobody can at least tell me how to get more debug info? >> >>> On Oct 21, 2015, at 15:25, Johan Fabry <[hidden email]> wrote: >>> >>> Hi all, >>> >>> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >>> >>> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >>> >>> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >>> >>> Thanks in advance! >>> >>> vm version: >>> 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] >>> NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 >>> 1-a965-2975997bba66 May 15 2014 >>> NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 >>> 975997bba66 May 15 2014 >>> https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 >>> f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ >>> gmail.com> Jenkins build #14826 >>> Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 >>> 2 i686 i686 i386 GNU/Linux >>> plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ >>> ws/src/pharo/vm/] >>> >>> >>> ---> Save our in-boxes! http://emailcharter.org <--- >>> >>> Johan Fabry - http://pleiad.cl/~jfabry >>> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >>> >>> >>> >> >> >> >> ---> Save our in-boxes! http://emailcharter.org <--- >> >> Johan Fabry - http://pleiad.cl/~jfabry >> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >> >> > > > ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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at the side of the binary of the vm?
> On 22 Oct 2015, at 16:53, Johan Fabry <[hidden email]> wrote: > > > No, I cannot find any file named crash.dmp or anything containing the word crash in my home dir (using find | grep crash ) > > >> On Oct 22, 2015, at 11:40, Esteban Lorenzano <[hidden email]> wrote: >> >> is there a crash,dmp? >> >>> On 22 Oct 2015, at 16:37, Johan Fabry <[hidden email]> wrote: >>> >>> Bump. >>> >>> Nobody can at least tell me how to get more debug info? >>> >>>> On Oct 21, 2015, at 15:25, Johan Fabry <[hidden email]> wrote: >>>> >>>> Hi all, >>>> >>>> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >>>> >>>> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >>>> >>>> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >>>> >>>> Thanks in advance! >>>> >>>> vm version: >>>> 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] >>>> NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 >>>> 1-a965-2975997bba66 May 15 2014 >>>> NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 >>>> 975997bba66 May 15 2014 >>>> https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 >>>> f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ >>>> gmail.com> Jenkins build #14826 >>>> Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 >>>> 2 i686 i686 i386 GNU/Linux >>>> plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ >>>> ws/src/pharo/vm/] >>>> >>>> >>>> ---> Save our in-boxes! http://emailcharter.org <--- >>>> >>>> Johan Fabry - http://pleiad.cl/~jfabry >>>> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >>>> >>>> >>>> >>> >>> >>> >>> ---> Save our in-boxes! http://emailcharter.org <--- >>> >>> Johan Fabry - http://pleiad.cl/~jfabry >>> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >>> >>> >> >> >> > > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile > > |
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No, there is no crash file there (the vm directory is also in my home dir) and there is nothing new in the vm directory since I installed it > On Oct 22, 2015, at 11:57, Esteban Lorenzano <[hidden email]> wrote: > > at the side of the binary of the vm? > >> On 22 Oct 2015, at 16:53, Johan Fabry <[hidden email]> wrote: >> >> >> No, I cannot find any file named crash.dmp or anything containing the word crash in my home dir (using find | grep crash ) >> >> >>> On Oct 22, 2015, at 11:40, Esteban Lorenzano <[hidden email]> wrote: >>> >>> is there a crash,dmp? >>> >>>> On 22 Oct 2015, at 16:37, Johan Fabry <[hidden email]> wrote: >>>> >>>> Bump. >>>> >>>> Nobody can at least tell me how to get more debug info? >>>> >>>>> On Oct 21, 2015, at 15:25, Johan Fabry <[hidden email]> wrote: >>>>> >>>>> Hi all, >>>>> >>>>> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >>>>> >>>>> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >>>>> >>>>> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >>>>> >>>>> Thanks in advance! >>>>> >>>>> vm version: >>>>> 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] >>>>> NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 >>>>> 1-a965-2975997bba66 May 15 2014 >>>>> NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 >>>>> 975997bba66 May 15 2014 >>>>> https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 >>>>> f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ >>>>> gmail.com> Jenkins build #14826 >>>>> Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 >>>>> 2 i686 i686 i386 GNU/Linux >>>>> plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ >>>>> ws/src/pharo/vm/] >>>>> >>>>> >>>>> ---> Save our in-boxes! http://emailcharter.org <--- >>>>> >>>>> Johan Fabry - http://pleiad.cl/~jfabry >>>>> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >>>>> >>>>> >>>>> >>>> >>>> >>>> >>>> ---> Save our in-boxes! http://emailcharter.org <--- >>>> >>>> Johan Fabry - http://pleiad.cl/~jfabry >>>> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >>>> >>>> >>> >>> >>> >> >> >> >> ---> Save our in-boxes! http://emailcharter.org <--- >> >> Johan Fabry - http://pleiad.cl/~jfabry >> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >> >> > > > ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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In reply to this post by jfabry
On Thu, Oct 22, 2015 at 2:25 AM, Johan Fabry <[hidden email]> wrote:
> Hi all, > > I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. > > There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). > > Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? > > Thanks in advance! I'm not much help since I haven't done these myself, but just some ideas (maybe someone can add more details) * compile and run a debug vm * trace all function calls, http://tinyurl.com/gdb-trace-all cheers -ben > vm version: > 3.9-7 #1 Thu May 15 18:29:30 CEST 2014 gcc 4.6.3 [Production ITHB VM] > NBCoInterpreter NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-484 > 1-a965-2975997bba66 May 15 2014 > NBCogit NativeBoost-CogPlugin-GuillermoPolito.19 uuid: acc98e51-2fba-4841-a965-2 > 975997bba66 May 15 2014 > https://github.com/pharo-project/pharo-vm.git Commit: ed4a4f59208968a21d82fd2406 > f75c2c4de558b2 Date: 2014-05-15 18:23:04 +0200 By: Esteban Lorenzano <estebanlm@ > gmail.com> Jenkins build #14826 > Linux pharo-linux 3.2.0-31-generic-pae #50-Ubuntu SMP Fri Sep 7 16:39:45 UTC 201 > 2 i686 i686 i386 GNU/Linux > plugin path: /home/jfabry/catkin_ws/src/pharo/vm/ [default: /home/jfabry/catkin_ > ws/src/pharo/vm/] > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile > > |
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Ben, thanks for replying but since no VM guys are following up on this, apparently, it does not make much sense for me to go this way. Guys, am I to assume there is not help for me on this topic? > On Oct 23, 2015, at 11:03, Ben Coman <[hidden email]> wrote: > > On Thu, Oct 22, 2015 at 2:25 AM, Johan Fabry <[hidden email]> wrote: >> Hi all, >> >> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >> >> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >> >> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >> >> Thanks in advance! > > I'm not much help since I haven't done these myself, but just some > ideas (maybe someone can add more details) > * compile and run a debug vm > * trace all function calls, http://tinyurl.com/gdb-trace-all > ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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Posting to Pharos-dev or Vm Dev may find you more assistance.
My suggestions would be: a) upgrade to Pharo 5 and b) run in gdb so we all can be better informed about the issue you are seeing. Is PhaROS doing low level calls? --- robert > On Oct 24, 2015, at 3:32 PM, Johan Fabry <[hidden email]> wrote: > > > Ben, thanks for replying but since no VM guys are following up on this, apparently, it does not make much sense for me to go this way. > > Guys, am I to assume there is not help for me on this topic? > >> On Oct 23, 2015, at 11:03, Ben Coman <[hidden email]> wrote: >> >> On Thu, Oct 22, 2015 at 2:25 AM, Johan Fabry <[hidden email]> wrote: >>> Hi all, >>> >>> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >>> >>> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >>> >>> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >>> >>> Thanks in advance! >> >> I'm not much help since I haven't done these myself, but just some >> ideas (maybe someone can add more details) >> * compile and run a debug vm >> * trace all function calls, http://tinyurl.com/gdb-trace-all > > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile > > |
Re: VM crash on Ubuntu 14.04
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In reply to this post by jfabry
Can you provide the image file. What exactly runs in the image (does it depend on ROS orCan you reproduce the crash with a clean image (and maybe loading 2015-10-24 21:32 GMT+02:00 Johan Fabry <[hidden email]>:
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In reply to this post by Robert Withers
Hi Robert,
thanks for the hints. Unfortunately running in Pharo 5 is not feasible. PhaROS does not do any low-level calls as far as I am aware (I did not implement it, I’m just using it). I will try to run it in gdb as soon as I can find a reliable way to reproduce the crash. > On Oct 24, 2015, at 16:52, Robert Withers <[hidden email]> wrote: > > Posting to Pharos-dev or Vm Dev may find you more assistance. > > My suggestions would be: a) upgrade to Pharo 5 and b) run in gdb so we all can be better informed about the issue you are seeing. Is PhaROS doing low level calls? > > --- > robert > >> On Oct 24, 2015, at 3:32 PM, Johan Fabry <[hidden email]> wrote: >> >> >> Ben, thanks for replying but since no VM guys are following up on this, apparently, it does not make much sense for me to go this way. >> >> Guys, am I to assume there is not help for me on this topic? >> >>> On Oct 23, 2015, at 11:03, Ben Coman <[hidden email]> wrote: >>> >>> On Thu, Oct 22, 2015 at 2:25 AM, Johan Fabry <[hidden email]> wrote: >>>> Hi all, >>>> >>>> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >>>> >>>> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >>>> >>>> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >>>> >>>> Thanks in advance! >>> >>> I'm not much help since I haven't done these myself, but just some >>> ideas (maybe someone can add more details) >>> * compile and run a debug vm >>> * trace all function calls, http://tinyurl.com/gdb-trace-all >> >> >> >> ---> Save our in-boxes! http://emailcharter.org <--- >> >> Johan Fabry - http://pleiad.cl/~jfabry >> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile >> >> > > ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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In reply to this post by Nicolai Hess-3-2
Hi Nicolai,
thanks for following up on this. I am in the process of determining what causes the crash. I fear that to reproduce the problem you will need to have ROS installed, I have not yet been able to reproduce it without ROS running. I do not want to inflict the installation of ROS on you without being 100% sure. I am using Roassal because this is for Live Robot Programming (http://pleiad.cl/LRP) which uses a dynamic visualization of the running code. To reproduce the bug (until now) I need to develop code in LRP when using ROS, and then it happens randomly. I realize that this is too much to ask for an outsider to reproduce the bug (I did not expect anybody to download and install PhaROS to try to reproduce, thanks for that!!). Can you inform me how I can get you more useful debug info to you? I will keep trying to find minimal steps to reproduce in the mean time.
---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
Re: VM crash on Ubuntu 14.04
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2015-10-26 15:03 GMT+01:00 Johan Fabry <[hidden email]>:
No, the best we can hope for is a crash when it is running from debugger, you can start the vm with a debugger or attach the debugger to a running process. If we are lucky, the debugger will show a stacktrace.
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Once I have such a VM I will make some time to further investigate, and report results.
Program received signal SIGSEGV, Segmentation fault. 0xb8c2bc31 in ?? () (gdb) bt #0 0xb8c2bc31 in ?? () #1 0x080fc9f2 in primitiveNativeCall () #2 0xb4fba770 in ?? () #3 0xb503b05e in ?? () #4 0xb503afcb in ?? () #5 0xb5011abd in ?? () #6 0xb4fba5c0 in ?? () (gdb)
---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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you can type
p (void)printCallStack() then you will have the active stack when crash happened. Is often a lot more useful than the trace of the vm. Esteban
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Program received signal SIGSEGV, Segmentation fault. 0xb8c0b92d in ?? () (gdb) p (void)printCallStack() Cannot access memory at address 0xffffffff (gdb)
---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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not so bad… that actually means that you are running out of heap, badly :P
and since I see a primitiveNativeCall there, most probably your (athens?) program is leaking somewhere. Esteban
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---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile |
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In reply to this post by jfabry
Why do you say that johan?
Everybody is busy and has its own agenda. I'm sure that esteban would love to have the time to just wait for helping people. This is not the case and the dragons he is fighting against are quite large and venomous. So the suggestion of Ben is good because else I do not see how people can help you. Stef Le 24/10/15 12:32, Johan Fabry a écrit : > Ben, thanks for replying but since no VM guys are following up on this, apparently, it does not make much sense for me to go this way. > > Guys, am I to assume there is not help for me on this topic? > >> On Oct 23, 2015, at 11:03, Ben Coman <[hidden email]> wrote: >> >> On Thu, Oct 22, 2015 at 2:25 AM, Johan Fabry <[hidden email]> wrote: >>> Hi all, >>> >>> I am having some unpleasant experiences on Ubuntu 14.04 (experimenting with Live Robot Programming on PhaROS). The VM crashes after a random amount of time (< 25 minutes), with no clear sequence of steps on how to reproduce the crash. I am using Pharo 4 (Pharo 40622 as installed by PhaROS) + Roassal which required an install of libcairo2:i386 . VM version details below. >>> >>> There is no printout on stdout, and the debug.log does not contain recent entries (timestamp is always some minutes before the actual crash happens). >>> >>> Is this a known problem? If so, how can I fix it, and if not how can I provide more debugging info? >>> >>> Thanks in advance! >> I'm not much help since I haven't done these myself, but just some >> ideas (maybe someone can add more details) >> * compile and run a debug vm >> * trace all function calls, http://tinyurl.com/gdb-trace-all >> > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile > > > |
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Hi Johan, Greetings,Perhaps I can try to help you debugging with gdb. Are you using a 32 bits or 64 bits Ubuntu ? We should start by building a debug Pharo VM. Do you have some time during Monday or Wednesday in your office?. 2015-10-31 22:00 GMT-03:00 stepharo <[hidden email]>: Why do you say that johan? |
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