Here is the snippet of truss output

thread_twakeup(0x000C08CF, 0x10000000, 0xF00D6348, 0xF013C420,
0x000000EC, 0x00000004, 0x00000018, 0x00000004) = 0x00000000
= 0x10000000
sbrk(0x000000D0) = 0x00000000
Err#12 ENOMEM
sbrk(0x00000090) Err#12 ENOMEM
sbrk(0x000000C0) Err#12 ENOMEM
sbrk(0x00000060) Err#12 ENOMEM
thread_unlock(0x202C6580, 0x207D59A8, 0x00000008, 0x0000D0B2,
0x00000000, 0x10091A17, 0x30091A17, 0x00000000) = 0x00000000
= 0x00000001
thread_waitlock(0x200C04B0, 0x200C04A8, 0x206CF7F0, 0x200C04B0,
0x100C08CF, 0x000C08CF, 0x10091A17, 0x00000005) = 0x00000000
thread_setmystate(0x204A2118, 0x00000000, 0x00000000, 0x00000000,
0x204A236C, 0x204A2374, 0xF013E010, 0x5876D003) = 0x00000000
thread_tsleep(0x00000000, 0x200C04B0, 0x00000000, 0x00000008,
0xF00D627C, 0x200C04A8, 0x204A2528, 0x204A2530) = 0x00000001
thread_twakeup(0x0002F641, 0x10000000, 0xF00D6348, 0xF013C420,
0x000000EC, 0x00000004, 0x00000018, 0x00000004) = 0x00000000
sbrk(0x000000D0) = 0x10000000
Err#12 ENOMEM
sbrk(0x00000090) Err#12 ENOMEM
sbrk(0x000000C0) = 0x00000000
Err#12 ENOMEM
sbrk(0x00000060) = 0x00000000
Err#12 ENOMEM
sbrk(0x000000D0) Err#12 ENOMEM
sbrk(0x00000090) Err#12 ENOMEM
sbrk(0x000000C0) Err#12 ENOMEM
sbrk(0x00000060) Err#12 ENOMEM

Do i need to increase swap space or thread stack size?