Version 1.2.17 of the DCC

Gary Mills mills@cc.UManitoba.CA
Fri Nov 21 02:00:53 UTC 2003


On Thu, Nov 20, 2003 at 11:42:29AM -0700, Vernon Schryver wrote:
> Version 1.2.17 of the DCC source is in
> http://www.dcc-servers.net/dcc/source/dccd.tar.Z  and
> http://www.rhyolite.com/anti-spam/dcc/source/dccd.tar.Z

I just did the upgrade to 1.2.17, and again dccm went into a CPU
loop on startup.  When I stopped and started it, it behaved normally
again.  This time, however, I did capture some stack traces while
it was misbehaving.  There was one busy thread.  Here is a complete
stack trace of the busy thread, followed by the parts of two subsequent
traces that were different from the first.  Perhaps the function
names will help determine why it's looping.

-----------------  lwp# 3 / thread# 4  --------------------
 ff0f05f0 memcpy   (fe77f350, fe77f2e8, 8, 38, fe77f2e8, 0)
 00033ac4 DCC_MD5Final (fe77f420, fe77f350, 40, 0, 6d230, 28) + 7c
 0002199c dcc_ck_ipv6 (fe77f420, 6d230, 9fc5c, f, 1, fe77f420) + 2c
 00037e30 dcc_host2ck (fe77fc94, 0, fe77f9f2, 6d230, 2, 9da40) + 348
 00037f70 dcc_parse_ck (fe77fc94, 9fc38, 9fc5c, f, fe77f9ef, fe77f9f2) + 58
 000369a8 dcc_parse_whitefile (fe77fc94, 1, fe77f9f2, 9fc5c, fe77f9ef, f) + 7b8 00029374 parse_white_file (fe77fc94, 9fc38, 3fbd6bd7, 92ae8, 3, 3fbd6bd7) + 28c
 000297b0 white_start (fe77fc94, 9fc38, 0, 1, 2, 0) + 2d0
 00029a48 dcc_white_rdy (fe77fc94, 9fc38, 0, 0, fe77fc7c, ff080ed8) + 1a0
 00019458 resolve_thread (0, ff095d10, 0, 5, 0, 28aa70) + 288
 ff0cb728 _thread_start (0, 0, 0, 0, 0, 0) + 40

-----------------  lwp# 3 / thread# 4  --------------------
 00034a14 Decode   (fe77f1b0, fe77f368, 40, fffffff8, 9, 24) + 3c
 00033b44 MD5Transform (fe77f350, fe77f368, 67452301, efcdab89, 98badcfe, 10325476) + 34
 000339b8 DCC_MD5Update (fe77f350, fe77f2e8, 8, 38, fe77f2e8, 0) + b8
 00033ac4 DCC_MD5Final (fe77f420, fe77f350, 40, 0, 6d230, 28) + 7c

-----------------  lwp# 3 / thread# 4  --------------------
 00034980 Encode   (fe77f2e8, fe77f360, 8, ffffffff, 0, 0) + 70
 00033a60 DCC_MD5Final (fe77f420, fe77f350, 40, 0, 6d230, 0) + 18


-- 
-Gary Mills-    -Unix Support-    -U of M Academic Computing and Networking-



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