Traffic server crashed when configured with min os keep alive connection and
debug logging
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Key: TS-245
URL: https://issues.apache.org/jira/browse/TS-245
Project: Traffic Server
Issue Type: Bug
Components: Core
Affects Versions: 2.0.0a
Environment: OS: rhel 4.7
Reporter: Qinghong Zhang
The crash seems to happen when logging the information: [session_bucket]
session received io notice [VC_EVENT_ACTIVE_TIMEOUT].
The core stack is:
#0 0x006f9b6b in strlen () from /lib/tls/libc.so.6
#1 0x006cd756 in vfprintf () from /lib/tls/libc.so.6
#2 0x006ca0bc in buffered_vfprintf () from /lib/tls/libc.so.6
#3 0x006ca2fb in vfprintf () from /lib/tls/libc.so.6
#4 0x082ef1d1 in Diags::print_va (this=0x8468e30, debug_tag=0x831f814
"http_ss", diags_level=DL_Debug, prefix=0x0, loc=0x0,
format_string=0x831fa1c "[%b64d] [session_bucket] session received io
notice [%s], reseting timeout to maintain minimum number of connections",
ap=0x5a5a16c "\001", wID=0, eIST=keNo_OP) at Diags.cc:321
#5 0x082ef880 in DiagsDClosure::operator() (this=0x5a5a200, tag=0x831f814
"http_ss",
format_string=0x831fa1c "[%b64d] [session_bucket] session received io
notice [%s], reseting timeout to maintain minimum number of connections")
at Diags.h:255
#6 0x0815311d in SessionBucket::session_handler (this=0x83ef7f4, event=106,
data=0x929bb2c) at ../../libinktomi++/Diags.h:341
#7 0x082cab3f in UnixNetVConnection::mainEvent (this=0x929baa0, event=2,
e=0x926e670) at ../../iocore/eventsystem/I_Continuation.h:146
#8 0x082ec8b0 in EThread::process_event (this=0xb799d008, e=0x926e670,
calling_code=2) at I_Continuation.h:146
#9 0x082ecf6e in EThread::execute (this=0xb799d008) at UnixEThread.cc:202
#10 0x082ead6c in spawn_thread_internal (a=0x85338f8) at Thread.cc:85
#11 0x008463cc in start_thread () from /lib/tls/libpthread.so.0
#12 0x0075b96e in clone () from /lib/tls/libc.so.6
If the -T option is turned off, no crash is observed.
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