Robert Edmonds wrote, on 01/02/14 03:44:
Arthur Marsh wrote:
$ gdb /usr/lib/mozc/mozc_server
Hi,
I tried to reproduce this on amd64 but could not. Possibly it's
arch-specific, so I'll try an i386 chroot next.
I'm not familiar with mozc. Does mozc-server require any configuration
to elicit the crash? Or do I need to install and use other packages (it
looks like mozc is part of a client/server suite)?
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Reading symbols from /usr/lib/mozc/mozc_server...(no debugging symbols
found)...done.
(gdb) run
Starting program: /usr/lib/mozc/mozc_server
warning: Could not load shared library symbols for linux-gate.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library
"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
[New Thread 0xb7f6ab40 (LWP 5502)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb7f6ab40 (LWP 5502)]
0x00000000 in ?? ()
(gdb) bt
#0 0x00000000 in ?? ()
#1 0x080fd380 in ?? ()
#2 0x08070a98 in google::protobuf::Message::GetReflection() const ()
#3 0x411a06a2 in
google::protobuf::internal::ReflectionOps::DiscardUnknownFields(google::protobuf::Message*)
() from /usr/lib/i386-linux-gnu/libprotobuf.so.8
#4 0x4119dc8b in google::protobuf::Message::DiscardUnknownFields() ()
from /usr/lib/i386-linux-gnu/libprotobuf.so.8
#5 0x0811320e in ?? ()
#6 0x08117598 in ?? ()
#7 0x08117651 in ?? ()
#8 0x08117685 in ?? ()
#9 0x08152f11 in ?? ()
#10 0x08089b0b in ?? ()
#11 0x4206acf1 in start_thread (arg=0xb7f6ab40) at pthread_create.c:311
#12 0x41f55c3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
(gdb)
Hi, I reproduced this problem on both i386 and amd64.
Although mozc_server the program from the mozc-server package is
normally run with other programs for input of Japanese language text,
after encountering problems and discovering mozc_server was not running,
I tried running mozc_server on its own and when I obtained a segfault, I
repeated running it under gdb and obtained the result quoted above.
I am unsure if the mozc_server program requires any configuration
information, but mozc-server is required by ibus-mozc.
I have also reported this problem against the mozc-server package - Bug
#737207.
Regards,
Arthur.
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