Bug 1456173

Created attachment 1282885 [details]
File: backtrace

Created attachment 1282886 [details]
File: cgroup

Created attachment 1282887 [details]
File: core_backtrace

Created attachment 1282888 [details]
File: dso_list

Created attachment 1282889 [details]
File: environ

Created attachment 1282890 [details]
File: limits

Created attachment 1282891 [details]
File: maps

Created attachment 1282892 [details]
File: mountinfo

Created attachment 1282893 [details]
File: namespaces

Created attachment 1282894 [details]
File: open_fds

Created attachment 1282895 [details]
File: proc_pid_status

Created attachment 1282896 [details]
File: var_log_messages

Similar problem has been detected:

USing simon (unsuccessfully)

reporter:       libreport-2.7.2
backtrace_rating: 4
cmdline:        /usr/libexec/sphinxtrain/kmeans_init -gthobj single -stride 1 -ntrial 1 -minratio 0.001 -ndensity 64 -meanfn /tmp/kde-daddy/simond/default/compile/sphinx/default{618299b0-66f7-45c4-be8c-5544e1850dd2}/model_parameters/default{618299b0-66f7-45c4-be8c-5544e1850dd2}.ci_semi_flatinitial/means -varfn /tmp/kde-daddy/simond/default/compile/sphinx/default{618299b0-66f7-45c4-be8c-5544e1850dd2}/model_parameters/default{618299b0-66f7-45c4-be8c-5544e1850dd2}.ci_semi_flatinitial/variances -fullvar no -reest no -segdmpdirs /tmp/kde-daddy/simond/default/compile/sphinx/default{618299b0-66f7-45c4-be8c-5544e1850dd2}/bwaccumdir/default{618299b0-66f7-45c4-be8c-5544e1850dd2}_buff_1 -segdmpfn /tmp/kde-daddy/simond/default/compile/sphinx/default{618299b0-66f7-45c4-be8c-5544e1850dd2}/bwaccumdir/default{618299b0-66f7-45c4-be8c-5544e1850dd2}_buff_1/default{618299b0-66f7-45c4-be8c-5544e1850dd2}.dmp -ceplen 13 -feat s2_4x -agc none -cmn current -varnorm no
crash_function: random_kmeans
executable:     /usr/libexec/sphinxtrain/kmeans_init
global_pid:     27123
kernel:         4.10.16-100.fc24.x86_64
package:        sphinxtrain-1.0.8-30.fc24
pkg_fingerprint: 73BD E983 81B4 6521
pkg_vendor:     Fedora Project
reason:         kmeans_init killed by SIGABRT
runlevel:       N 5
type:           CCpp
uid:            1001

This is an assertion failure, due to the number of observations being 0 (see the n_obs parameter to random_kmeans in frame 4).  This means that the return value of the call to setup_obs on line 829 was zero.  And now I'm confused, because the third argument to setup_obs, n_in_frame, is 4 and stride *should* be 1 since the command line includes "-stride 1", so the return value of setup_obs *should* be 4 / 1 == 4, not zero.

David, is there any chance you can reproduce this with gdb, and see what the value of stride is?  I'm guessing it is > 4, but its exact value may give us a clue.

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