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On 10/30/2014 12:49 PM, Pedro Alves wrote: > On 10/30/2014 12:32 PM, Daniel Colascione wrote: >> On 10/30/2014 12:23 PM, Pedro Alves wrote: >>> On 10/30/2014 03:07 AM, Daniel Colascione wrote: >>> >>>> diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c >>>> index 352fac1..4089417 100644 >>>> - --- a/gdb/linux-thread-db.c >>>> +++ b/gdb/linux-thread-db.c >>>> @@ -1223,6 +1223,25 @@ thread_db_new_objfile (struct objfile *objfile) >>>> static void >>>> thread_db_inferior_created (struct target_ops *target, int from_tty) >>>> { >>>> + /* If the child is in a different PID namespace, its idea of its PID >>>> + will differ from our idea of its PID. When we scan the child's >>>> + thread list, we'll mistakenly think it has no threads since the >>>> + thread PID fields won't match the PID we give to >>>> + libthread_db. */ >>> >>> Why not give libthread_db the right PID then? >> >> How do you suggest find it? > > Isn't it visible somewhere in /proc ? Not AFAICT, but maybe I overlooked something. > >> There's some talk on LKML of adding the necessary system call, but it's not in-tree yet. > > Do you have a url handy? https://lwn.net/Articles/602987/
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