Messages in this thread | | | Date | Mon, 18 May 2015 09:30:26 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH Not-for-merge 40/40] perf tools: Disable thread refcount due to bug |
| |
Em Mon, May 18, 2015 at 09:21:31PM +0900, Namhyung Kim escreveu: > On Sun, May 17, 2015 at 10:23:36PM -0300, Arnaldo Carvalho de Melo wrote: > > Em Mon, May 18, 2015 at 09:30:55AM +0900, Namhyung Kim escreveu: > > > This makes thread mg sharing test failed due to not decrement > > > thread->refcnt on thread__put().
> > I fixed this one already:
> > https://git.kernel.org/cgit/linux/kernel/git/acme/linux.git/commit/?h=perf/core&id=8b00f46951bed1edd9c5cb9d9adb62d28bbe7623
> > No?
> I meant that I added this patch not to segfault caused by the thread > refcount, but as a side-effect it makes thread_mg_sharing test failed > due to non-decremented refcount.
> As of 70923bd26c73 ("perf tools: Make flex/bison calls honour V=1") > I can reproduce the segfault.
Ok, I'll investigate that report, looks like one more case where longstanding bugs are exposed by work on multithreading.
- Arnaldo
| |