Re: stack traces and zombie tasks

2017-12-19 Thread Ingo Molnar
* Ingo Molnar wrote: > > This obviously fixes the problem, so you can add > > > > Reported-and-tested-by: Miroslav Benes > > Great. > > Josh, mind sending a changelogged version, or should I distill a commit out > of > this discussion, for tip:x86/urgent? ... never mind, later in my mbox

Re: stack traces and zombie tasks

2017-12-18 Thread Ingo Molnar
* Miroslav Benes wrote: > On Sun, 17 Dec 2017, Josh Poimboeuf wrote: > > > On Fri, Dec 15, 2017 at 07:51:45AM -0800, Andy Lutomirski wrote: > > > On Fri, Dec 15, 2017 at 4:54 AM, Miroslav Benes wrote: > > > > Hi, > > > > > > > > commit 1959a60182f4 ("x86/dumpstack: Pin the target stack when du

Re: stack traces and zombie tasks

2017-12-18 Thread Miroslav Benes
On Sun, 17 Dec 2017, Josh Poimboeuf wrote: > On Fri, Dec 15, 2017 at 07:51:45AM -0800, Andy Lutomirski wrote: > > On Fri, Dec 15, 2017 at 4:54 AM, Miroslav Benes wrote: > > > Hi, > > > > > > commit 1959a60182f4 ("x86/dumpstack: Pin the target stack when dumping > > > it") slightly changed the beh

Re: stack traces and zombie tasks

2017-12-17 Thread Josh Poimboeuf
On Fri, Dec 15, 2017 at 07:51:45AM -0800, Andy Lutomirski wrote: > On Fri, Dec 15, 2017 at 4:54 AM, Miroslav Benes wrote: > > Hi, > > > > commit 1959a60182f4 ("x86/dumpstack: Pin the target stack when dumping > > it") slightly changed the behaviour of stack traces dumping for zombie > > tasks. > >

Re: stack traces and zombie tasks

2017-12-15 Thread Andy Lutomirski
On Fri, Dec 15, 2017 at 4:54 AM, Miroslav Benes wrote: > Hi, > > commit 1959a60182f4 ("x86/dumpstack: Pin the target stack when dumping > it") slightly changed the behaviour of stack traces dumping for zombie > tasks. > > Before the commit (well, this is older SLE12 kernel, but that should not > m