Yes, this looks like it should be the case. :( I'll fix this bug ASAP. Thanks for reporting!
On Wed, May 9, 2012 at 8:56 AM, Scott Smith <[email protected]> wrote: > I've had numerous other segfaults in libprocess, mostly in > std::map/rbtree code. Is it possible that SocketManager::accepted is > missing a synchronized(this) {} block? > > from process.cpp: > > Socket SocketManager::accepted(int s) > { > return sockets[s] = Socket(s); > } > > On Mon, May 7, 2012 at 11:40 PM, Scott Smith <[email protected]> > wrote: > > I've encountered another segfault in the slave. This time, nothing > > unusual was happening. Single framework / single user. Four slaves, > > one master, framework run from master. > > > > version: > > svn Revision: 1334534 + proposed fix for MESOS-190: > > https://reviews.apache.org/r/5057/diff/2/#index_header > > > > log messages: > > I0508 06:35:21.458798 828 slave.cpp:447] Got assigned task 8:864:0 > > for framework 201205080535222558218-5050-29475-0004 > > I0508 06:35:21.459225 829 slave.cpp:689] Got acknowledgement of > > status update for task 8:863:0 of framework > > 201205080535222558218-5050-29475-0004 > > F0508 06:35:21.459432 832 process.cpp:1772] Check failed: > > sockets.count(s) > 0 > > > > stack trace: > > #0 0x00007f0aecdf0445 in raise () from /lib/x86_64-linux-gnu/libc.so.6 > > #1 0x00007f0aecdf3bab in abort () from /lib/x86_64-linux-gnu/libc.so.6 > > #2 0x00007f0aedd65dd9 in google::DumpStackTraceAndExit () at > > src/utilities.cc:145 > > #3 0x00007f0aedd5ed9d in google::LogMessage::Fail () at > src/logging.cc:1256 > > #4 0x00007f0aedd6152f in google::LogMessage::SendToLog > (this=0x7f0ae8a71c60) > > at src/logging.cc:1216 > > #5 0x00007f0aedd5e99b in google::LogMessage::Flush (this=0x7f0ae8a71c60) > > at src/logging.cc:1088 > > #6 0x00007f0aedd61dbd in google::LogMessageFatal::~LogMessageFatal ( > > this=0x7f0ae8a71c60, __in_chrg=<optimized out>) at src/logging.cc:1777 > > #7 0x00007f0aedc93a55 in process::SocketManager::next(int) () > > from /home/ubuntu/cr/lib/libmesos-0.9.0.so > > #8 0x00007f0aedc8e119 in process::send_data(ev_loop*, ev_io*, int) () > > from /home/ubuntu/cr/lib/libmesos-0.9.0.so > > #9 0x00007f0aedd9e6ef in ev_invoke_pending (loop=0x7f0aee119240) at > ev.c:1971 > > #10 0x00007f0aedda2a24 in ev_loop (loop=0x7f0aee119240, flags=<optimized > out>) > > at ev.c:2333 > > #11 0x00007f0aedc8f30d in process::serve(void*) () > > from /home/ubuntu/cr/lib/libmesos-0.9.0.so > > #12 0x00007f0aed17ee9a in start_thread () from > > /lib/x86_64-linux-gnu/libpthread.so.0 > > #13 0x00007f0aeceac4bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 > > #14 0x0000000000000000 in ?? () > > > > -- > > Scott > > > > -- > Scott >
