Hi, I have a python script that uses 'vpp_papi' to try to connect to the 'vpp' running on the local host. It's based on my reading of the source code in 'src/vpp-api/python/vpp_papi'. One problem I'm running into is that the client fails to connect to the vpp with the error message:
> > > > python3.8: .../src/vpp-api/client/client.c:560: vac_set_error_handler: > Assertion `clib_mem_get_heap ()' failed > > This error occurs as part of 'connect()': > > > > vpp = VPP(self.api_json_files, read_timeout=60) > ret = vpp.connect(app_name) > > > > FWIW, the vpp itself seems to have enough heap space (it's run with 2 workers): > > DBGvpp# show memory main-heap > Thread 0 vpp_main > base 0x7f8d15fd5000, size 1g, locked, unmap-on-destroy, name 'main heap' > page stats: page-size 4K, total 262144, mapped 26485, not-mapped 235659 > numa 0: 24 pages, 96k bytes > numa 1: 26461 pages, 103.36m bytes > total: 1023.99M, used: 99.86M, free: 924.14M, trimmable: 923.55M > > Thread 1 vpp_wk_0 > base 0x7f8d15fd5000, size 1g, locked, unmap-on-destroy, name 'main heap' > page stats: page-size 4K, total 262144, mapped 27253, not-mapped 234891 > numa 0: 24 pages, 96k bytes > numa 1: 27229 pages, 106.36m bytes > total: 1023.99M, used: 102.86M, free: 921.14M, trimmable: 920.55M > > Thread 2 vpp_wk_1 > base 0x7f8d15fd5000, size 1g, locked, unmap-on-destroy, name 'main heap' > page stats: page-size 4K, total 262144, mapped 28021, not-mapped 234123 > numa 0: 24 pages, 96k bytes > numa 1: 27997 pages, 109.36m bytes > total: 1023.99M, used: 105.86M, free: 918.14M, trimmable: 917.55M > On the other hand, the system doesn't seem to have many "huge pages" as shown by 'hugeadm --pool-list': > > > > Size Minimum Current Maximum Default > > > > 2097152 1024 1024 1024 * > > > > 1073741824 0 0 0 > > However, I haven't been able to figure out if the error is related to the above and couldn't get much info on the error from googling for and looking at the `clib_mem_get_heap()` implementation. Any info on the cause of this error and path forward would be greatly appreciated. The vpp is 'stable/2101' and is running on a Ubuntu system (20.04, 5.4.0-26-generic). Thanks, --Hyong
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