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https://issues.apache.org/jira/browse/TS-833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053027#comment-13053027
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Zhao Yongming commented on TS-833:
----------------------------------
John:
after the testing with your patch from TS-833 TS-834, on the trunk, we find out
that the following crash rise up:
{code}
[New process 3496]
#0 0x00000000004d302c in Continuation::handleEvent (this=0xa993e40, event=2,
data=0xae09210) at I_Continuation.h:146
146 return (this->*handler) (event, data);
(gdb) bt
#0 0x00000000004d302c in Continuation::handleEvent (this=0xa993e40, event=2,
data=0xae09210) at I_Continuation.h:146
#1 0x00000000006f9978 in EThread::process_event (this=0x2aaaaae29010,
e=0xae09210, calling_code=2) at UnixEThread.cc:140
#2 0x00000000006f9cba in EThread::execute (this=0x2aaaaae29010) at
UnixEThread.cc:217
#3 0x00000000004ff74d in main (argc=3, argv=0x7fff464b6438) at Main.cc:1958
(gdb) info f
Stack level 0, frame at 0x7fff464b5d50:
rip = 0x4d302c in Continuation::handleEvent(int, void*)
(I_Continuation.h:146); saved rip 0x6f9978
called by frame at 0x7fff464b5dc0
source language c++.
Arglist at 0x7fff464b5d40, args: this=0xa993e40, event=2, data=0xae09210
Locals at 0x7fff464b5d40, Previous frame's sp is 0x7fff464b5d50
Saved registers:
rbp at 0x7fff464b5d40, rip at 0x7fff464b5d48
(gdb)
{code}
I have got a small core dump file, about 2GB, at
http://people.apache.org/~zym/cores/ along with the packages I used, and logs
etc. please check if it is useful for you. the rpm is running on rhel 5.4
x86_64.
thanks
> Crash Report: Continuation::handleEvent, event=2, 0xdeadbeef,
> ink_freelist_free related
> ---------------------------------------------------------------------------------------
>
> Key: TS-833
> URL: https://issues.apache.org/jira/browse/TS-833
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Affects Versions: 3.1.0
> Environment: current trunk, with --enable-debug
> Reporter: Zhao Yongming
> Labels: freelist
> Fix For: 3.1.0
>
> Attachments: TS-833-2.diff, TS-833-3.diff, TS-833.diff
>
>
> bt #1
> {code}
> #0 0x00000000004d2c5c in Continuation::handleEvent (this=0x19581df0,
> event=2, data=0x197c4fc0) at I_Continuation.h:146
> 146 return (this->*handler) (event, data);
> (gdb) bt
> #0 0x00000000004d2c5c in Continuation::handleEvent (this=0x19581df0,
> event=2, data=0x197c4fc0) at I_Continuation.h:146
> #1 0x00000000006f5830 in EThread::process_event (this=0x2aaaaae29010,
> e=0x197c4fc0, calling_code=2) at UnixEThread.cc:140
> #2 0x00000000006f5b72 in EThread::execute (this=0x2aaaaae29010) at
> UnixEThread.cc:217
> #3 0x00000000004ff37d in main (argc=3, argv=0x7fff76c41528) at Main.cc:1958
> (gdb) info f
> Stack level 0, frame at 0x7fff76c40e40:
> rip = 0x4d2c5c in Continuation::handleEvent(int, void*)
> (I_Continuation.h:146); saved rip 0x6f5830
> called by frame at 0x7fff76c40eb0
> source language c++.
> Arglist at 0x7fff76c40e30, args: this=0x19581df0, event=2, data=0x197c4fc0
> Locals at 0x7fff76c40e30, Previous frame's sp is 0x7fff76c40e40
> Saved registers:
> rbp at 0x7fff76c40e30, rip at 0x7fff76c40e38
> (gdb) x/40x this
> 0x19581df0: 0x19581901 0x00000000 0xefbeadde 0xefbeadde
> 0x19581e00: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e10: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e20: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e30: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e40: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e50: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e60: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e70: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> 0x19581e80: 0xefbeadde 0xefbeadde 0xefbeadde 0xefbeadde
> {code}
> bt #2
> {code}
> #0 0x00000000004d637c in Continuation::handleEvent (this=0xc3cc390, event=2,
> data=0xc4408a0) at I_Continuation.h:146
> 146 return (this->*handler) (event, data);
> (gdb) bt
> #0 0x00000000004d637c in Continuation::handleEvent (this=0xc3cc390, event=2,
> data=0xc4408a0) at I_Continuation.h:146
> #1 0x000000000070364c in EThread::process_event (this=0x2aaaaae29010,
> e=0xc4408a0, calling_code=2) at UnixEThread.cc:140
> #2 0x000000000070398e in EThread::execute (this=0x2aaaaae29010) at
> UnixEThread.cc:217
> #3 0x0000000000502aac in main (argc=3, argv=0x7fff32ef2f58) at Main.cc:1961
> (gdb) p *this
> $1 = {<force_VFPT_to_top> = {_vptr.force_VFPT_to_top = 0x2aaab002f011},
> handler = 0xefbeaddeefbeadde, this adjustment -1171307680053154338,
> handler_name = 0xefbeaddeefbeadde <Address 0xefbeaddeefbeadde out of
> bounds>, mutex = {m_ptr = 0xefbeaddeefbeadde}, link = {<SLink<Continuation>>
> = {
> next = 0xefbeaddeefbeadde}, prev = 0xefbeaddeefbeadde}}
> (gdb)
> {code}
> bt #3
> {code}
> #0 0x00000000004d2c5c in Continuation::handleEvent (this=0x2aaab00615b0,
> event=2, data=0x2aaab00d1570) at I_Continuation.h:146
> 146 return (this->*handler) (event, data);
> (gdb) bt
> #0 0x00000000004d2c5c in Continuation::handleEvent (this=0x2aaab00615b0,
> event=2, data=0x2aaab00d1570) at I_Continuation.h:146
> #1 0x00000000006f5830 in EThread::process_event (this=0x2aaaaae29010,
> e=0x2aaab00d1570, calling_code=2) at UnixEThread.cc:140
> #2 0x00000000006f5b72 in EThread::execute (this=0x2aaaaae29010) at
> UnixEThread.cc:217
> #3 0x00000000004ff37d in main (argc=3, argv=0x7fff421f08d8) at Main.cc:1958
> (gdb) info f
> Stack level 0, frame at 0x7fff421f01f0:
> rip = 0x4d2c5c in Continuation::handleEvent(int, void*)
> (I_Continuation.h:146); saved rip 0x6f5830
> called by frame at 0x7fff421f0260
> source language c++.
> Arglist at 0x7fff421f01e0, args: this=0x2aaab00615b0, event=2,
> data=0x2aaab00d1570
> Locals at 0x7fff421f01e0, Previous frame's sp is 0x7fff421f01f0
> Saved registers:
> rbp at 0x7fff421f01e0, rip at 0x7fff421f01e8
> (gdb) p this->handler
> $1 = 0xefbeaddeefbeadde, this adjustment -1171307680053154338
> {code}
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