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-rw-r--r--docs/troubleshooting/reportingissues/reportingissues.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/troubleshooting/reportingissues/reportingissues.rst b/docs/troubleshooting/reportingissues/reportingissues.rst
index 261dec9013a..73b2397477f 100644
--- a/docs/troubleshooting/reportingissues/reportingissues.rst
+++ b/docs/troubleshooting/reportingissues/reportingissues.rst
@@ -194,6 +194,10 @@ will capture usable vpp core files in /tmp/dumps.
# ulimit -c unlimited
# echo 2 > /proc/sys/fs/suid_dumpable
+If you start VPP from systemd, you also need to edit
+/lib/systemd/system/vpp.service and uncomment the "LimitCORE=infinity"
+line before restarting VPP.
+
Vpp core files often appear enormous. Gzip typically compresses them
to manageable sizes. A multi-GByte corefile often compresses to 10-20
Mbytes.