Re: osd: terminate called after throwing an instance of 'std::bad_alloc'

[Andre Noll <maan@systemlinux.org>]

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On 10:28, Sage Weil wrote:

> So, the mmap code in buffer.h is actually never called, so my guess is 
> that posix_memalign() or some other library implementation is doing it.  
> Can you get a stack trace?  Either look at the core file with gdb or run 
> cosd via gdb?

Sure. Here we go:

	root@node142:~# gdb /usr/local/bin/cosd
	GNU gdb 6.8-debian
	Copyright (C) 2008 Free Software Foundation, Inc.
	License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
	This is free software: you are free to change and redistribute it.
	There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
	and "show warranty" for details.
	This GDB was configured as "x86_64-linux-gnu"...
	(gdb) run -f -i 6 -c /etc/ceph/ceph.conf
	Starting program: /usr/local/bin/cosd -f -i 6 -c /etc/ceph/ceph.conf
	[Thread debugging using libthread_db enabled]
	 ** WARNING: Ceph is still under heavy development, and is only suitable for **
	 **          testing and review.  Do not trust it with important data.       **
	starting osd6 at 0.0.0.0:6800/3869 osd_data /var/ceph/osd6 /var/ceph/osd6/journal
	[New Thread 0x7f995df606f0 (LWP 3869)]
	[New Thread 0x4227e950 (LWP 3872)]
	[New Thread 0x41896950 (LWP 3873)]
	[New Thread 0x42a7f950 (LWP 3874)]
	[New Thread 0x43280950 (LWP 3875)]
	[New Thread 0x43a81950 (LWP 3876)]
	[New Thread 0x40dd1950 (LWP 3877)]
	[New Thread 0x44282950 (LWP 3878)]
	[New Thread 0x44a83950 (LWP 3879)]
	[New Thread 0x45284950 (LWP 3880)]
	[New Thread 0x45a85950 (LWP 3881)]
	terminate called after throwing an instance of 'std::bad_alloc'
	  what():  std::bad_alloc

	Program received signal SIGABRT, Aborted.
	[Switching to Thread 0x7f995df606f0 (LWP 3869)]
	0x00007f995caf3095 in raise () from /lib/libc.so.6
	(gdb)  bt
	#0  0x00007f995caf3095 in raise () from /lib/libc.so.6
	#1  0x00007f995caf4af0 in abort () from /lib/libc.so.6
	#2  0x00007f995d3780e4 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/libstdc++.so.6
	#3  0x00007f995d376076 in ?? () from /usr/lib/libstdc++.so.6
	#4  0x00007f995d3760a3 in std::terminate () from /usr/lib/libstdc++.so.6
	#5  0x00007f995d37618a in __cxa_throw () from /usr/lib/libstdc++.so.6
	#6  0x00007f995d376649 in operator new () from /usr/lib/libstdc++.so.6
	#7  0x00007f995d376709 in operator new[] () from /usr/lib/libstdc++.so.6
	#8  0x0000000000540920 in PG::read_log (this=0x7f995845be60, store=<value optimized out>) at ./include/cstring.h:120
	#9  0x0000000000543187 in PG::read_state (this=0x7f995845be60, store=0x8a4840) at osd/PG.cc:2294
	#10 0x00000000004ec1f9 in OSD::load_pgs (this=0x8a04b0) at osd/OSD.cc:884
	#11 0x00000000004ecb00 in OSD::init (this=0x8a04b0) at osd/OSD.cc:462
	#12 0x000000000045f2cc in main (argc=<value optimized out>, argv=<value optimized out>) at cosd.cc:171

Thanks for looking into this.
Andre
-- 
The only person who always got his work done by Friday was Robinson Crusoe

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