[VPP-1660] VPP stops responding when running ML2 integration tests

[vvalderrv]

Description

Api trace -

 

api_post_mortem.13522

 

stack trace -

#0  0x00007ffff7766074 in virtio_vring_init () from /usr/lib/x86_64-linux-gnu/libvnet.so.19.04

#1  0x00007ffff77740b0 in tap_create_if () from /usr/lib/x86_64-linux-gnu/libvnet.so.19.04

#2  0x00007ffff77759df in ?? () from /usr/lib/x86_64-linux-gnu/libvnet.so.19.04

#3  0x00007ffff7bca96c in vl_msg_api_handler_with_vm_node () from /usr/lib/x86_64-linux-gnu/libvlibmemory.so.19.04

#4  0x00007ffff7baf67a in vl_mem_api_handle_msg_main () from /usr/lib/x86_64-linux-gnu/libvlibmemory.so.19.04

#5  0x00007ffff7bbf06d in ?? () from /usr/lib/x86_64-linux-gnu/libvlibmemory.so.19.04

#6  0x00007ffff6c92b96 in ?? () from /usr/lib/x86_64-linux-gnu/libvlib.so.19.04

#7  0x00007ffff67b418c in clib_calljmp () from /usr/lib/x86_64-linux-gnu/libvppinfra.so.19.04

#8  0x00007fffb5dffdc0 in ?? ()

#9  0x00007ffff6c98831 in ?? () from /usr/lib/x86_64-linux-gnu/libvlib.so.19.04

Assignee

Mohsin Kazmi

Reporter

Naveen Joy

Comments

• sykazmi (Fri, 10 May 2019 16:02:58 +0000): A new patch https://gerrit.fd.io/r/#/c/19519/ which has moved the indirect buffer allocation from interface creation to device node at packet processing time. Now one can create as many tap interfaces as possible.
• sykazmi (Tue, 30 Apr 2019 07:30:59 +0000): https://gerrit.fd.io/r/#/c/19171/
• sykazmi (Tue, 30 Apr 2019 07:28:28 +0000): Fix has been merged successfully: https://gerrit.fd.io/r/#/c/19171/

Original issue: https://jira.fd.io/browse/VPP-1660

[vvalderrv]

A new patch https://gerrit.fd.io/r/#/c/19519/ which has moved the indirect buffer allocation from interface creation to device node at packet processing time. Now one can create as many tap interfaces as possible.

[vvalderrv]

https://gerrit.fd.io/r/#/c/19171/

[vvalderrv]

Fix has been merged successfully: https://gerrit.fd.io/r/#/c/19171/