Thanks great! But what I don't (yet) understand is shouldn't the new %P behaviour be the default of %p instead?
I mean a container PID never makes sense in host user space since there is a 1:n mapping. Meaning PID x can have n mappings on the host. Thanks, Hans On 04/25/2013 12:23 PM, Stéphane Graber wrote: > On 04/24/2013 02:10 PM, Hans Feldt wrote: >>> -----Original Message----- >>> From: Serge Hallyn [mailto:serge.hal...@ubuntu.com] >>> Sent: den 23 april 2013 14:52 >>> To: Hans Feldt >>> Cc: lxc-users@lists.sourceforge.net >>> Subject: Re: [Lxc-users] Problem with core dumps generated from >>> containers, apport >> >>>> 260 is the PID of my test program (sleep 1000) in the container. It of >>>> course had another PID on the host... >>> >>> Hm, well that's certainly surprising to me, but there it is, in >>> fs/coredump.c:format_corename(): case 'p' uses task_tgid_vnr(). >>> >>> Would you like to send a patch upstream to add 'P' as an option for using >>> the >>> global pid? >> >> Sorry this is out of my competence. I did check the code you pointed at and >> I think there's >> a name space conversion thing missing before handing over the PID over to >> user space. I >> could not find what function could do the trick. >> >> As a workaround if I temporarily change the core_pattern to write to file >> instead, I >> should get a readable useable core dump from a container process >> >> Thanks, >> Hans > > I've proposed a patch against the upstream kernel which adds a new "%P" > with the global PID. > > This then makes the following core_pattern work on Ubuntu systems: > |/usr/sbin/chroot /proc/%P/root /usr/share/apport/apport %p %s %c > > > https://lkml.org/lkml/2013/4/24/518 > > ------------------------------------------------------------------------------ Try New Relic Now & We'll Send You this Cool Shirt New Relic is the only SaaS-based application performance monitoring service that delivers powerful full stack analytics. Optimize and monitor your browser, app, & servers with just a few lines of code. Try New Relic and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_apr _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
