We have some test for VCL based on application too, and it looks fine. To
understand more, you’d check what line in mspace_malloc trigger the signal.
Attached is our vcl.conf for you to try if it is okay.
vcl {
rx-fifo-size 5000
tx-fifo-size 5000
app-scope-local
app-scope-global
api-socket-name /root/run/vpp/vpp-api.sock
event-queue-size 1000000
segment-size 1024000000
add-segment-size 1024000000
vpp-api-q-length 65536
max-workers 36
#use-mq-eventfd
}
From: vpp-dev@lists.fd.io [mailto:vpp-dev@lists.fd.io] On Behalf Of Akshaya
Nadahalli
Sent: Thursday, October 24, 2019 4:38 PM
To: vpp-dev@lists.fd.io
Subject: [vpp-dev] VPP crash in TCP FIFO allocation
Hi,
While testing VPP hoststack with large number of TCP connections, I see VPP
crash in fifo allocation. Always crash is seen between 11k to 12k TCP
connections. Changing vcl config -
segment-size/add-segment-size/rx-fifo-size/tx-fifo-size doesn't change the
behaviour - crash is always seen after establishing around 11k to 12k tcp
sessions.
Test client is using vppcom APIs. Callstack for crash is attached. I am using
19.08 code with non-blocking patch cherry-picked. All sessions are
non-blocking. Anyone aware of any issues/defect fixes related to this?
Regards,
Akshaya N
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