Capturing backtrace for each thread might be good start. Thanks!
-- Damjan > On 3 Jul 2018, at 20:03, Sirshak Das <sirshak....@arm.com> wrote: > > Hi all, > > I am facing an issue with my VPP installation on Qualcomm Centriq with > Mellanox MT27700 [CX-4] card. The MOFED versions I have is 4.3-3.0.2.1 > and its built from source. Kernel: 4.15.0-24-generic OS: 18.04 LTS. > > When I use this command: > > vpp# set interface state FiftySixGigabitEthernet1/0/1 up > > > It basically gets stuck. Using perf I was able to find that its looping > at this portion of the code > > while (*vlib_worker_threads->wait_at_barrier) > ; > which is in : > > static inline void > vlib_worker_thread_barrier_check (void) > > > I applied the following patch i.e reverting back to 18.02.2: > -DPDK_VERSION ?= 18.05 > +DPDK_VERSION ?= 18.02.2 > This works. > > I would greatly appreciate if somebody can point me in the > right direction for debugging. > > > Thank you > Sirshak Das > > ++++++++++++++++++++++ > Sirshak Das > > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#9774): https://lists.fd.io/g/vpp-dev/message/9774 > <https://lists.fd.io/g/vpp-dev/message/9774> > Mute This Topic: https://lists.fd.io/mt/23026304/675642 > <https://lists.fd.io/mt/23026304/675642> > Group Owner: vpp-dev+ow...@lists.fd.io <mailto:vpp-dev+ow...@lists.fd.io> > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub > <https://lists.fd.io/g/vpp-dev/unsub> [dmar...@me.com > <mailto:dmar...@me.com>] > -=-=-=-=-=-=-=-=-=-=-=-
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