can reproduce
Code:
[ undeath@2600k: /tmp ] % ~> for i in `seq 20` ; do PW=`date "+%s%N%n%:::z%T" | md5sum | xxd -r -ps | base64 | cut -c1-13` ; echo "$PW" >> /tmp/plain ; echo -n "${PW}:" >> /tmp/md5crypt ; mkpasswd -5 "$PW" >> /tmp/md5crypt ; done
[ undeath@2600k: /tmp ] % ~> ~/hashcracking/oclHashcat-plus-0.09/oclHashcat-plus64.bin -m500 /tmp/md5crypt /tmp/plain --username
oclHashcat-plus v0.09 by atom starting...
Hashes: 20 total, 20 unique salts, 20 unique digests
Bitmaps: 8 bits, 256 entries, 0x000000ff mask, 1024 bytes
Rules: 1
Workload: 16 loops, 8 accel
Watchdog: Temperature abort trigger set to 90c
Watchdog: Temperature retain trigger set to 80c
Device #1: Cypress, 1024MB, 725Mhz, 18MCU
Device #1: Kernel /home/undeath/hashcracking/oclHashcat-plus-0.09/kernels/4098/m0500.Cypress_938.2_1.4.1741.kernel not found in cache! Building may take a while...
Device #1: Kernel /home/undeath/hashcracking/oclHashcat-plus-0.09/kernels/4098/m0500.Cypress_938.2_1.4.1741.kernel (2869300 bytes)
Scanned dictionary /tmp/plain: 280 bytes, 20 words, 20 keyspace, starting attack...
$1$qqgaBQt1$DR2WmIEuNAeaPdU2SEdFw0:PH3fJC0WyBU1g
$1$jUumlHa2$46669Mo/2AePHYM19NSFi1:vEvG8/FHCtngY
$1$DkA.IT49$RB78Now0FDTH/3FfzEchv/:w4dtc0UlN6L3s
$1$UOFcnkmB$.66vULsOaaDlEaWerVRKr1:Y//UOPo3O1LdW
$1$fLn7vosB$SKCqYv/cHP8mQVAU61BiC/:Kr9FrSGF4QqQd
$1$JukpUllC$FppsU.pHrynpnIv4CFU0m1:udm0mTvbLl4f7
$1$KCaT.5jD$FMC1S0dqGO88l5JOufGkl/:Xc8FbaJPKaNAs
$1$07rmf7IG$cqPzButqe9AJmrWw/iAr1.:v2aU1Ho7WeQZf
$1$Za77bu2L$sei.iiBGrctCXyPwJKnOA/:UzTyshB2JRxct
$1$tk11IQHT$xmcOZ5/9uomgPKNyjnFP5/:8fTvpnN7noL/R
$1$VU1tog4X$ckG4fE95wwszXkUWfnC7l1:pBVSbitE9r9VE
$1$xgtATtnc$G5zD9pwWhuD54RKgjQEB9/:7Pp/Sgq8podjG
$1$9dx6wI6e$foEux0vH2c9TBYFZ0EwF30:ceTF64WSZa5iQ
$1$dpMdtV2l$TYXQ9zY9jlVArLzHTmuUI1:yo2wEcwrzZSHE
$1$tXfHKYHl$c.FFQ/OuRYL7Qgh15JgiV/:yJX3hPSP0bmXN
$1$Updx2N.o$4hKq9gjNnSFWPTI6FLaGx.:gsAlL8THX+hWZ
$1$gjNehyGo$bOZI4UfopHsz1QdBbAKG21:Y31FT2zMjrqXs
$1$WXGUumno$Py13kGn7QEIME5WtYphTx1:/TpZZc5E6ouUi
$1$bWXGS8Yx$46NZSZzzZaxWU1wy.TNKN1:xcVTAEXj184rs
$1$nMwKE8ny$8610u0gHHTrvISsaZ9C6t1:AqKDZgOg/eLc0
Status.......: Cracked
Input.Mode...: File (/tmp/plain)
Hash.Target..: File (/tmp/md5crypt)
Hash.Type....: md5crypt, MD5(Unix), FreeBSD MD5, Cisco-IOS MD5
Time.Running.: 1 sec
Time.Util....: 1001.1ms/0.0ms Real/CPU, 0.0% idle
Speed........: 400 c/s Real, 745 c/s GPU
Recovered....: 20/20 Digests, 20/20 Salts
Progress.....: 400/400 (100.00%)
Rejected.....: 0/400 (0.00%)
HWMon.GPU.#1.: 94% Util, 58c Temp, 46% Fan
Started: Sun Oct 14 13:31:41 2012
Stopped: Sun Oct 14 13:31:47 2012
[ undeath@2600k: /tmp ] % ~> ~/hashcracking/oclHashcat-plus-0.09/oclHashcat-plus64.bin -m500 /tmp/md5crypt --username --show
zsh: segmentation fault ~/hashcracking/oclHashcat-plus-0.09/oclHashcat-plus64.bin -m500 /tmp/md5crypt