r238860: bsdtar: eating up 100% CPU, hanging

From: O. Hartmann <ohartman_at_zedat.fu-berlin.de>
Date: Sat, 28 Jul 2012 19:21:26 +0200
When updating ports (like databases/sqlite3 or graphics/png via 
portmaster graphics/png), the installation process comes to a point 
where a backup of the old port is created with bsdtar. The process hangs 
then:

===>>> Starting build for graphics/png <<<===

===>>> All dependencies are up to date


===>>> Creating a backup package for old version png-1.5.12
load: 1.38  cmd: bsdtar 99286 [running] 1301.04r 1296.34u 0.00s 100% 5656k


And a look on top:

last pid:  3365;  load averages:  1.49,  1.44,  1.41 
                                                         up 0+04:39:08 
19:17:44
65 processes:  2 running, 63 sleeping
CPU: 50.4% user,  0.0% nice,  1.0% system,  0.0% interrupt, 48.6% idle
Mem: 521M Active, 3599M Inact, 3424M Wired, 32M Cache, 826M Buf, 323M Free
ARC: 1970M Total, 672M MRU, 1224M MFU, 48K Anon, 46M Header, 28M Other
Swap: 32G Total, 32G Free

   PID USERNAME       THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU 
COMMAND
99286 root             1 103    0 71724K  5672K CPU1    1  24:10 100.00% 
bsdtar
  1339 root             1  21    0  3221M 38008K select  1   3:02  1.71% 
Xorg
  3364 ohartmann       28  20    0   634M   301M uwait   1   0:06  0.63% 
thunderbird
   737 root             1  20    0 16520K  1492K select  0   0:42  0.00% 
moused
  3286 ohartmann       22  20    0   681M   368M uwait   1   0:14  0.00% 
firefox
  1469 ohartmann        1  20    0 72364K 10612K select  1   0:05  0.00% 
xterm


I can circumvent by doing a make reinstall in the port's directory, but 
this doesn't work for ports which copy files around using tar - like 
www/firefox and mail/thunderbird (which also get stuck when bsdtar is 
involved).

My operating system is
  FreeBSD 10.0-CURRENT #0 r238860: Sat Jul 28 11:28:38 CEST 2012

buildworld and kernel from today's sources, ports seem to be up to date, 
I updated everything successfully before installing the new world which 
seems to be faulty.

I also recompiled usr.bin/tar separately and installed it, but without 
success.

What to do?

regards,

Oliver
Received on Sat Jul 28 2012 - 15:21:27 UTC

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