Am Montag, 2. Dezember 2013, 22:32:11 schrieb Toralf Förster: > On 12/02/2013 10:21 PM, Richard Weinberger wrote: > > Am Sonntag, 1. Dezember 2013, 20:05:55 schrieb Toralf Förster: > >> On 12/01/2013 11:20 AM, Richard Weinberger wrote: > >>> I meant xterm for all consoles but con0... > >>> Such that you can trigger the crash but are still able to see the > >>> output. > >> > >> Not sure if the 2 attached files contains useful info, but here they are: > >> > >> The back trace of a hanging linux process : > >> $>sudo gdb /home/tfoerste/devel/linux/linux 27162 -n -batch -ex 'bt full' > >> > > >> bt > >> > >> and stdout, error and bt of the core file from round #18 of this command > >> : > >> > >> $> I=0; while [[ : ]]; do ((I=I+1)); echo; echo; echo $I; date; for i in > >> trinity.sh xterm linux port-helper start_uml.sh ; do pkill $i; done; rm > >> -f > >> /mnt/ramdisk/core; start_uml.sh -r ~/virtual/uml/trinity -l > >> /home/tfoerste/devel/linux/linux -y 'con0=fd:0,fd:1 con=xterm' > >> 1>/mnt/ramdisk/$I.out 2>/mnt/ramdisk/$I.err; [[ -f /mnt/ramdisk/core ]] > >> && > >> gdb --core=/mnt/ramdisk/core /home/tfoerste/devel/linux/linux -n -batch > >> -ex > >> 'bt full' > /mnt/ramdisk/$I.bt; sleep 10; done > > > > What I can see is that UML panic()ed because PTRACE_SETREGS is failing > > with > > ESRCH. This means one of the UML SKAS0 helper threads got killed and is > > gone. This is very strange and makes me worry, because in this stage the > > helper is in stopped state and cannot really die by an UML error. Looks > > like it got killed from outside. > > Is your host setup 100% sane? :) > > Hhm - I've had 1 script running, which start an UML - and another > script, which every 3 minutes ssh into the started UML and run "halt; > exit". Before that I manually did both steps. > > I let run the script solution for a while and did different things - but > of course I cannot swear that I did not by accident recalled a command > from a bash history command which killed processes (which I do have > regularly to do if I test the UML with trinity). > > So likely my fault here - yes.
No big deal. Please try to reproduce with a minimal test setup. No magic scripts and stuff. :) Thanks, //richard ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349351&iu=/4140/ostg.clktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
