Originally posted by: atuld

$t274 run blocked 17170791 k no sys _global_lock_common
_global_lock_common(??, ??, ??) at 0x9000000005b47b4
_rec_mutex_lock(??) at 0x900000000011590
_getpwuid_shadow_r(0x0, 0x0, 0x11089d030, 0x11089d060, 0x100000001000) at 0x9000000000cca08
IDtouser(??) at 0x90000000022e6cc
_GetLicense(??, ??) at 0x90000000030d860
loginrestrictionsx(??, ??, ??, ??, ??) at 0x90000000030ae5c
pam_aix_restrictions(??, ??, ??, ??, ??, ??) at 0x9000000124b16dc
pam_sm_authenticate(??, ??, ??, ??) at 0x9000000124b2f6c
pam_authenticate(??, ??) at 0x900000002bf6b48
thread state-k wchan state-u k-tid mode held scope function
>$t275 wait 0x00000001102b4e78 blocked 45089263 k no sys _rec_mutex_lock
_rec_mutex_lock(??) at 0x900000000011590
_load_secmethod(??) at 0x9000000000bdc54
getuserattrs(??, ??, ??) at 0x9000000000dbc3c
_getpwnam_shadow_r(??, ??, ??, ??, ??) at 0x9000000000cf9e0
_posix_getpwnam_shadow_r(??, ??, ??, ??, ??, ??) at 0x9000000000ccea8
authenticate.getpwnam_r(??, ??, ??, ??, ??) at 0x9000000000dfe90
authenticatex(??, ??, ??, ??, ??) at 0x9000000000dee90
pam_sm_authenticate(??, ??, ??, ??) at 0x9000000124b2db4
pam_authenticate(??, ??) at 0x900000002bf6b48

thread state-k wchan state-u k-tid mode held scope function
>$t279 wait 0x00000001102b4e78 blocked 20578451 k no sys _rec_mutex_lock
_rec_mutex_lock(??) at 0x900000000011590
_load_secmethod(??) at 0x9000000000bdc54
_getpwnam_shadow_r(??, ??, ??, ??, ??) at 0x9000000000cfb60
_posix_getpwnam_shadow_r(??, ??, ??, ??, ??, ??) at 0x9000000000ccea8
pam_aix.getpwnam_r(??, ??, ??, ??, ??) at 0x9000000124b3170
pam_sm_authenticate(??, ??, ??, ??) at 0x9000000124b2b44
pam_authenticate(??, ??) at 0x900000002bf6b48

Found similar issue on AIX 5.3 IY62191 but not sure this is similar on.
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