On 04/06/2009 07:19 AM, Amos Jeffries wrote:
> Anyone able to say what this means?
>
> Found while testing 3.1-BZR rev 9483
>
> Program received signal SIGABRT, Aborted.
> [Switching to Thread 0xb7541b90 (LWP 29220)]
> 0xb7fce410 in __kernel_vsyscall ()
> #0 0xb7fce410 in __kernel_vsyscall ()
> #1 0xb7b73085 in raise () from /lib/tls/i686/cmov/libc.so.6
> #2 0xb7b74a01 in abort () from /lib/tls/i686/cmov/libc.so.6
>
> #3 0x080f2cd5 in Debug::xassert (msg=0x82210f8 "CurrentDebug",
> file=0x82210a4 "../../SQUID_3_1/src/debug.cc", line=709)
> at ../../SQUID_3_1/src/debug.cc:745
>
> #4 0x080f3215 in Debug::getDebugOut () at ../../SQUID_3_1/src/debug.cc:709
>
> #5 0x0810e0fc in fd_open (fd=20, type=4, desc=0x823e144 "async-io
> completetion event: main") at ../../SQUID_3_1/src/fd.cc:187
>
> #6 0x081b2ab5 in CommIO::Initialise () at ../../SQUID_3_1/src/comm.cc:2302
> #7 0x0820570f in squidaio_thread_loop (ptr=0x874ac84) at
> ../../SQUID_3_1/src/CommIO.h:30
> #8 0xb7fa64fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
> #9 0xb7c1ee5e in clone () from /lib/tls/i686/cmov/libc.so.6
Looks like Debug::TheDepth is out of sync with CurrentDebug in your
example. AFAIK, Squid debugging is not thread-safe so if some non-main
thread calls debugging functions (directly or not), things will break.
HTH,
Alex.
Received on Mon Apr 06 2009 - 20:03:10 MDT
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