[Pkg-dpdk-devel] Bug#1023000: dpdk: flaky autopkgtest on amd64 and ppc64el: pdump_autotest time out

[Paul Gevers]

Source: dpdk
Version: 20.11.5-1
Severity: serious
User: debian-ci at lists.debian.org
Usertags: flaky

Dear maintainer(s),

I looked at the results of the autopkgtest of your package. I noticed 
that it regularly fails on amd64 and ppc64el. From a cursory look it 
seems to have started around August 2022. The error seems to be 
different between different failures.

Because the unstable-to-testing migration software now blocks on
regressions in testing, flaky tests, i.e. tests that flip between
passing and failing without changes to the list of installed packages,
are causing people unrelated to your package to spend time on these
tests.

Don't hesitate to reach out if you need help and some more information
from our infrastructure.

Paul

https://ci.debian.net/data/autopkgtest/testing/ppc64el/d/dpdk/27590240/log.gz

54/57 DPDK:fast-tests / pdump_autotest           RUNNING
 >>> DPDK_TEST=pdump_autotest MALLOC_PERTURB_=178 
/tmp/autopkgtest-lxc.wxrxh9zu/downtmp/build.zmC/src/build/app/test/dpdk-test 
--no-huge -m 2048 --file-prefix=pdump_autotest
――――――――――――――――――――――――――――――――――――― ✀ 
―――――――――――――――――――――――――――――――――――――
EAL: Detected CPU lcores: 4
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /tmp/tmp.k8x9WW5het/dpdk/pdump_autotest/mp_socket
EAL: Physical addresses are unavailable, selecting IOVA as VA mode.
EAL: Selected IOVA mode 'VA'
EAL: WARNING! Base virtual address hint (0x101865000 != 0x7fff1f580000) 
not respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: Probe PCI driver: net_virtio (1af4:1000) device: 0000:00:01.0 
(socket 0)
eth_virtio_pci_init(): Failed to init PCI device
EAL: Requested device 0000:00:01.0 cannot be used
APP: HPET is not enabled, using TSC as default timer
RTE>>pdump_autotest
IN PRIMARY PROCESS
pdump_init success
Running binary with 
argv[]:'/tmp/autopkgtest-lxc.wxrxh9zu/downtmp/build.zmC/src/build/app/test/dpdk-test' 
'-c' '1' '--proc-type=secondary' '--file-prefix=pdump_autotest'
EAL: Detected CPU lcores: 4
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket 
/tmp/tmp.k8x9WW5het/dpdk/pdump_autotest/mp_socket_16805_20758caec7b059
EAL: Physical addresses are unavailable, selecting IOVA as VA mode.
EAL: Selected IOVA mode 'VA'
EAL: Failed to open shared memory!
EAL: FATAL: Cannot get hugepage information.
EAL: Cannot get hugepage information.
EAL: Cannot destroy local memory map
EAL: Could not release memory subsystem data
IN PRIMARY PROCESS
pdump_init success
pdump_uninit success
Test OK
RTE>>DPDK:fast-tests / pdump_autotest time out (After 30.0 seconds)
――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
54/57 DPDK:fast-tests / pdump_autotest           TIMEOUT        30.06s 
killed by signal 15 SIGTERM
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