ubuntu_kernel_selftests/net:fin_ack_lat.sh failed on I-gcp f1-micro

Bug #1954733 reported by Po-Hsu Lin
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
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Undecided
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Bug Description

Issue spotted on Impish 5.13.0-1008.9 GCP with instance f1.micro only.
Probably caused by the nature of this small instance.

This can be found in 5.13.0-1006.7 as well, so it's not a regression.

 Running 'make run_tests -C net TEST_PROGS=fin_ack_lat.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
 make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
 make --no-builtin-rules ARCH=x86 -C ../../../.. headers_install
 make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
   INSTALL ./usr/include
 make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
 TAP version 13
 1..1
 # selftests: net: fin_ack_lat.sh
 # server port: 34481
 # port: 44700, lat: 199394, avg: 46, nr: 54258
 # port: 46920, lat: 199511, avg: 50, nr: 55308
 # port: 51524, lat: 198598, avg: 53, nr: 57471
 # port: 53790, lat: 199248, avg: 56, nr: 58526
 # port: 56036, lat: 199222, avg: 59, nr: 59592
 # port: 60424, lat: 200289, avg: 62, nr: 61677
 # port: 34046, lat: 199458, avg: 65, nr: 62553
 # port: 36224, lat: 199353, avg: 67, nr: 63578
 # port: 40696, lat: 199530, avg: 70, nr: 65683
 # port: 42966, lat: 199854, avg: 72, nr: 66762
 # port: 47422, lat: 199324, avg: 74, nr: 68877
 # port: 49644, lat: 199432, avg: 76, nr: 69940
 # port: 51922, lat: 200297, avg: 79, nr: 71008
 # port: 54046, lat: 200259, avg: 81, nr: 72012
 # port: 56310, lat: 199568, avg: 83, nr: 73094
 # port: 58592, lat: 199515, avg: 85, nr: 74158
 # port: 60814, lat: 200314, avg: 87, nr: 75206
 # port: 37062, lat: 199434, avg: 88, nr: 77327
 # port: 39282, lat: 200250, avg: 90, nr: 78372
 # port: 41566, lat: 200098, avg: 92, nr: 79459
 # port: 43824, lat: 199454, avg: 94, nr: 80520
 # port: 48426, lat: 199390, avg: 95, nr: 82684
 # port: 50684, lat: 199253, avg: 97, nr: 83751
 # port: 52924, lat: 199503, avg: 98, nr: 84798
 # port: 55178, lat: 199480, avg: 100, nr: 85850
 # port: 57412, lat: 199498, avg: 102, nr: 86895
 # port: 59324, lat: 199916, avg: 103, nr: 87794
 # port: 33314, lat: 199465, avg: 105, nr: 88844
 # port: 35640, lat: 199487, avg: 106, nr: 89930
 # port: 37924, lat: 199431, avg: 108, nr: 90996
 # port: 40262, lat: 198435, avg: 109, nr: 92100
 # port: 42522, lat: 199461, avg: 110, nr: 93168
 # port: 44734, lat: 199396, avg: 112, nr: 94213
 # port: 47008, lat: 199888, avg: 113, nr: 95281
 # port: 49280, lat: 199508, avg: 114, nr: 96350
 # port: 51536, lat: 199394, avg: 115, nr: 97420
 # port: 53818, lat: 199593, avg: 117, nr: 98492
 # port: 56138, lat: 199067, avg: 118, nr: 99571
 # port: 58400, lat: 199340, avg: 119, nr: 100637
 # port: 60576, lat: 199513, avg: 120, nr: 101661
 # port: 34572, lat: 199921, avg: 121, nr: 102720
 # port: 36860, lat: 199555, avg: 122, nr: 103792
 # port: 39036, lat: 200158, avg: 123, nr: 104816
 # port: 40996, lat: 200255, avg: 125, nr: 105750
 # port: 43230, lat: 199487, avg: 126, nr: 106808
 # port: 45476, lat: 199272, avg: 127, nr: 107870
 # port: 47798, lat: 200329, avg: 128, nr: 108950
 # port: 52196, lat: 199584, avg: 128, nr: 111024
 # port: 54336, lat: 199401, avg: 129, nr: 112030
 # port: 56428, lat: 200212, avg: 130, nr: 113018
 # port: 58558, lat: 200265, avg: 131, nr: 114020
 # port: 60440, lat: 200457, avg: 132, nr: 114901
 # port: 34418, lat: 200189, avg: 133, nr: 115945
 # port: 36668, lat: 199396, avg: 134, nr: 117003
 # port: 38780, lat: 200357, avg: 135, nr: 117996
 # port: 40996, lat: 199573, avg: 135, nr: 119059
 # port: 43252, lat: 199549, avg: 136, nr: 120121
 # port: 45490, lat: 199765, avg: 137, nr: 121168
 # port: 47810, lat: 199468, avg: 138, nr: 122250
 # port: 50128, lat: 200032, avg: 139, nr: 123329
 # port: 52346, lat: 199781, avg: 139, nr: 124384
 # port: 54574, lat: 199354, avg: 140, nr: 125451
 # port: 56720, lat: 199903, avg: 141, nr: 126469
 # port: 59008, lat: 199543, avg: 142, nr: 127549
 # port: 32770, lat: 199552, avg: 143, nr: 128485
 # port: 35052, lat: 199535, avg: 143, nr: 129555
 # port: 37286, lat: 199235, avg: 144, nr: 130606
 # port: 39540, lat: 199481, avg: 145, nr: 131658
 # port: 41786, lat: 199480, avg: 145, nr: 132707
 # port: 46272, lat: 199394, avg: 145, nr: 134809
 # port: 48458, lat: 200224, avg: 146, nr: 135841
 # port: 50760, lat: 199466, avg: 146, nr: 136926
 # port: 55112, lat: 199495, avg: 146, nr: 138988
 # port: 57342, lat: 199488, avg: 147, nr: 140042
 # port: 33556, lat: 199838, avg: 147, nr: 142145
 # port: 35800, lat: 199437, avg: 147, nr: 143203
 # port: 37964, lat: 200395, avg: 148, nr: 144230
 # port: 40108, lat: 200200, avg: 149, nr: 145254
 # port: 42388, lat: 199405, avg: 149, nr: 146331
 # port: 44500, lat: 199431, avg: 150, nr: 147326
 # port: 46320, lat: 199534, avg: 151, nr: 148177
 # port: 48110, lat: 199335, avg: 151, nr: 149023
 # port: 50312, lat: 199515, avg: 152, nr: 150076
 # port: 52470, lat: 199837, avg: 153, nr: 151112
 # port: 54780, lat: 199563, avg: 153, nr: 152211
 # port: 56756, lat: 199557, avg: 154, nr: 153137
 # port: 59038, lat: 199396, avg: 154, nr: 154210
 # port: 33082, lat: 199389, avg: 155, nr: 155274
 # port: 35412, lat: 199536, avg: 155, nr: 156361
 # port: 37680, lat: 200062, avg: 156, nr: 157414
 # port: 39960, lat: 199376, avg: 156, nr: 158500
 # port: 42196, lat: 200310, avg: 157, nr: 159554
 # port: 44510, lat: 199438, avg: 157, nr: 160638
 # port: 46802, lat: 199510, avg: 157, nr: 161724
 # port: 49066, lat: 199400, avg: 158, nr: 162790
 # port: 51382, lat: 200875, avg: 158, nr: 163877
 # port: 57470, lat: 200811, avg: 158, nr: 166729
 # port: 59684, lat: 202248, avg: 158, nr: 167752
 # FAIL: 98 spikes detected
 not ok 1 selftests: net: fin_ack_lat.sh # exit=1

Po-Hsu Lin (cypressyew)
tags: added: 5.13 gcp impish sru-20211129 ubuntu-kernel-selftests
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