Details
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Bug
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Resolution: Cannot Reproduce
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Minor
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None
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Lustre 2.9.0
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None
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3
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9223372036854775807
Description
Sanity test 101b failed as follows:
== sanity test 101b: check stride-io mode read-ahead ================================================= 15:17:21 (1478272641)
CMD: trevis-3vm7 /usr/sbin/lctl set_param -n obdfilter.lustre-OST*.read_cache_enable=0 osd-*.lustre-OST*.read_cache_enable=0 2>&1
CMD: trevis-3vm7 /usr/sbin/lctl set_param -n obdfilter.lustre-OST*.writethrough_cache_enable=0 osd-*.lustre-OST*.writethrough_cache_enable=0 2>&1
1.498804s, 5.59687MB/s
llite.lustre-ffff880037b69800.read_ahead_stats=
snapshot_time 1478272647.905158 secs.usecs
hits 1518 samples [pages]
misses 530 samples [pages]
readpage not consecutive 8 samples [pages]
miss inside window 128 samples [pages]
failed grab_cache_page 256 samples [pages]
read but discarded 1 samples [pages]
zero size window 274 samples [pages]
sanity test_101b: @@@@@@ FAIL: Too many (1) discarded pages with size (8192)
Trace dump:
= /usr/lib64/lustre/tests/test-framework.sh:4841:error()
= /usr/lib64/lustre/tests/sanity.sh:6579:ra_check_101()
= /usr/lib64/lustre/tests/sanity.sh:6612:test_101b()
= /usr/lib64/lustre/tests/test-framework.sh:5117:run_one()
= /usr/lib64/lustre/tests/test-framework.sh:5156:run_one_logged()
= /usr/lib64/lustre/tests/test-framework.sh:5003:run_test()
= /usr/lib64/lustre/tests/sanity.sh:6617:main()
Dumping lctl log to /logdir/test_logs/2016-11-04/lustre-reviews-el7-x86_64--review-ldiskfs--1_10_1__42325__-69957394635600-134451/sanity.test_101b.*.1478272648.log
CMD: trevis-3vm12,trevis-3vm5.trevis.hpdd.intel.com,trevis-3vm6,trevis-3vm7 /usr/sbin/lctl dk > /logdir/test_logs/2016-11-04/lustre-reviews-el7-x86_64--review-ldiskfs--1_10_1__42325__-69957394635600-134451/sanity.test_101b.debug_log.\$(hostname -s).1478272648.log;
dmesg > /logdir/test_logs/2016-11-04/lustre-reviews-el7-x86_64--review-ldiskfs--1_10_1__42325__-69957394635600-134451/sanity.test_101b.dmesg.\$(hostname -s).1478272648.log
Resetting fail_loc on all nodes...CMD: trevis-3vm12,trevis-3vm5.trevis.hpdd.intel.com,trevis-3vm6,trevis-3vm7 lctl set_param -n fail_loc=0 fail_val=0 2>/dev/null
done.
CMD: trevis-3vm7 /usr/sbin/lctl set_param -n obdfilter.lustre-OST*.read_cache_enable=1 osd-*.lustre-OST*.read_cache_enable=1 2>&1
Maloo reports:
https://testing.hpdd.intel.com/test_sets/41939346-a2ad-11e6-8e31-5254006e85c2
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