[dpdk-dev] [PATCH] test: move debug_autotest out of fast suite

[Luca Boccassi]

On Mon, 2021-03-01 at 09:03 +0100, David Marchand wrote:
> On Thu, Feb 25, 2021 at 8:49 PM <luca.boccassi at gmail.com> wrote:
> > From: Luca Boccassi <luca.boccassi at microsoft.com>
> > 
> > It consistently fails when ran on a build machine within the
> > reproducible build environment, so move it out of there, so
> > that we can run the fast suite at build time when packaging.
> 
> This test is quite simple.
> Surprising that it consistently fails.

It is very weird. I think it times out after the fork().

> > Repro test environment:
> > 
> > https://salsa.debian.org/salsa-ci-team/pipeline/raw/master/salsa-ci.yml
> > https://salsa.debian.org/salsa-ci-team/pipeline/
> 
> I am not familiar with this CI.
> Where can we find the logs of such a failure?

It does various scramblings to ensure the produced binaries are bit-by-
bit identical despite changes like number of CPUs, time of the day,
timezone, filesystem, locale, etc.

Not much useful info in the logs unfortunately, despite the verbose
run.

https://salsa.debian.org/bluca/dpdk/-/jobs/1453534

RTE>>EAL: Detected 2 lcore(s)
EAL: Detected 1 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/debug_autotest/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: Probing VFIO support...
APP: HPET is not enabled, using TSC as default timer
RTE>>debug_autotest
10: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x61c6a) [0x5562b61f7c6a]]
9: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f9793188d0a]]
8: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x386ae) [0x5562b61ce6ae]]
7: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(cmdline_in+0x71) [0x7f9793925841]]
6: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(rdline_char_in+0x36b) [0x7f9793928abb]]
5: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(+0x3770) [0x7f9793925770]]
4: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(cmdline_parse+0x1af) [0x7f979392664f]]
3: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x61d5b) [0x5562b61f7d5b]]
2: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0xc2c13) [0x5562b6258c13]]
1: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_eal.so.21(rte_dump_stack+0x2e) [0x7f9793a931be]]
PANIC in test_panic():
Test Debug
11: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x61c6a) [0x5562b61f7c6a]]
10: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f9793188d0a]]
9: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x386ae) [0x5562b61ce6ae]]
8: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(cmdline_in+0x71) [0x7f9793925841]]
7: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(rdline_char_in+0x36b) [0x7f9793928abb]]
6: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(+0x3770) [0x7f9793925770]]
5: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_cmdline.so.21(cmdline_parse+0x1af) [0x7f979392664f]]
4: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x61d5b) [0x5562b61f7d5b]]
3: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/dpdk-test(+0x3d671) [0x5562b61d3671]]
2: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_eal.so.21(__rte_panic+0xc1) [0x7f9793a7187f]]
1: [/tmp/reprotest.YBma9j/build-experiment-1/build-experiment-1/obj-x86_64-linux-gnu/app/test/../../lib/librte_eal.so.21(rte_dump_stack+0x2e) [0x7f9793a931be]]
<...>
debug_autotest time out (After 30.0 seconds)

-- 
Kind regards,
Luca Boccassi