Simone, This should help: [email protected] | VLIB headroom buffer size modfification<https://lists.fd.io/g/vpp-dev/topic/71267509#15397>
Cheers, Pablo. From: [email protected] <[email protected]> On Behalf Of simone nafra via lists.fd.io Sent: martes, 6 de septiembre de 2022 9:02 To: [email protected] Subject: [vpp-dev] VPP crashing if we configure srv6 policy with five sids in the sidlist Hi, As shown in thread number #21611 also I trying to implement an SRv6 network through VPP 22.06 I encounter the problem that after a certain number of nodes (SID List >= 6) the Ingress router no longer forwards packets from the interface and after a while VPP crashes In my topology the situation is as follows: SID LIST -> [Transit3 -> Ingress -> Transit2 -> Ingress -> Egress] It works SID LIST -> [Transit3 -> Ingress -> Transit2 -> Ingress -> Transit3 -> Egress] Does not work [cid:[email protected]] Outgoing packets from the Ingress node to the Transit node become Ethernet II packets. This is the error output following the crash. (gdb) run Starting program: /usr/bin/vpp -c /etc/vpp/startup.conf [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". vpp[27618]: pci: Skipping PCI device 0000:00:05.0 as host interface ens5 is up [New Thread 0x7fffb0625700 (LWP 27623)] [New Thread 0x7fffafe24700 (LWP 27624)] Thread 1 "vpp_main" received signal SIGSEGV, Segmentation fault. 0x00007fffb415edc0 in virtio_xmit_pkts () from /usr/lib/x86_64-linux-gnu/vpp_plugins/dpdk_plugin.so (gdb) c Continuing. Thread 1 "vpp_main" received signal SIGABRT, Aborted. __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) c Continuing. Couldn't get registers: No such process. Nothing is indicated within /var/log/vpp/vpp.log If you can see it in attach also a pcap of the traffic.
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