Hello Luca, On Sat, Nov 2, 2024 at 11:09 AM David Marchand <david.march...@redhat.com> wrote: > > On Thu, Oct 31, 2024 at 9:46 PM Stephen Hemminger > <step...@networkplumber.org> wrote: > > > > On Thu, 31 Oct 2024 14:05:16 +0000 > > Luca Boccassi <luca.bocca...@gmail.com> wrote: > > > > > On Thu, 31 Oct 2024 at 13:04, David Marchand <david.march...@redhat.com> > > > wrote: > > > > > > > > On Thu, Oct 31, 2024 at 1:58 PM Luca Boccassi <luca.bocca...@gmail.com> > > > > wrote: > > > > > > > > > > On Thu, 31 Oct 2024 at 12:52, David Marchand > > > > > <david.march...@redhat.com> wrote: > > > > > > > > > > > > On Thu, Oct 31, 2024 at 1:47 PM David Marchand > > > > > > <david.march...@redhat.com> wrote: > > > > > > > Could you share a backtrace when hitting this deadlock? > > > > > > > > > > > > If the backtrace is not possible, running with > > > > > > --log-level=lib.eal:debug may help. > > > > > > > > > > I cannot get backtraces. This runs via "meson test", how can that > > > > > option be passed in? > > > > > > > > # meson test -C build-debian --suite fast-tests --verbose -t 5 > > > > --test-args=--log-level=lib.eal:debug > > > > > > https://paste.debian.net/1334095/ > > > > Could not repro this on Raspberry Pi 5. Main branch builds and runs > > There is no deadlock at play, as far as I can see. > > The mentionned commit slowed down thread instantiation (a lot, from > what the timestamps seen in the paste link). > The exact reason is not entirely clear to me, but it forced the thread > creating children threads to wait for them to start running. > Reverting this commit enhances the situation, but reintroduce a double > free (if set affinity of the created thread fails, both the parent and > the created thread will free ctx). > > I sent a patch, reintroducing use of pthread_attr_setaffinity_np like > Tyler had first proposed. > Let's see what the CI think of this.
The change has been merged and OBS is now all green. You can disable the debug logs in your OBS package. Thanks. -- David Marchand