Re: [Powertop] [Announce] v2.5-rc1

On Tue, Nov 26, 2013 at 10:36:14PM +0300, Sergey Senozhatsky wrote:
> On (11/02/13 09:09), Marc MERLIN wrote:
> > On Fri, Oct 18, 2013 at 11:09:26AM -0700, Kristen Carlson Accardi wrote:
> > > Please test.
> >
> 
> Hello Marc,
> thanks for reporting. while I see the reason of that crash, I can't see
> how did we come that far. could you please run powertop under strace?

I can't reproduce at will unfortunately, and it hasn't happened again
since then, so I'm not sure I will be able to, sorry.

Marc
 
> thank you,
> 
> 	-ss
> 
> > I let it run, my screen blanked (on batteries) and when I unblanked it, I got:
> > warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff96dfe000
> > Core was generated by `powertop-2.5'.
> > Program terminated with signal 6, Aborted.
> > #0  0x00007f0f5f0e61e5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
> > 56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> > 	in ../nptl/sysdeps/unix/sysv/linux/raise.c
> > (gdb) bt
> > #0  0x00007f0f5f0e61e5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
> > #1  0x00007f0f5f0e9398 in __GI_abort () at abort.c:90
> > #2  0x00007f0f5f1217cb in __libc_message (do_abort=2, fmt=0x7f0f5f21b895 "*** %s ***: %s terminated\n")
> >     at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
> > #3  0x00007f0f5f1add17 in __GI___fortify_fail (msg=0x7f0f5f21b82c "buffer overflow detected")
> >     at fortify_fail.c:31
> > #4  0x00007f0f5f1accd0 in __GI___chk_fail () at chk_fail.c:28
> > #5  0x00007f0f5f1ac159 in _IO_str_chk_overflow (fp=<optimized out>, c=<optimized out>) at vsprintf_chk.c:33
> > #6  0x00007f0f5f129209 in __GI__IO_default_xsputn (f=0x7fff96df2430, data=<optimized out>, n=21) at genops.c:481
> > #7  0x00007f0f5f0fea89 in ___printf_fp (fp=<optimized out>, info=<optimized out>, args=<optimized out>)
> >     at printf_fp.c:1254
> > #8  0x00007f0f5f0f8b26 in _IO_vfprintf_internal (s=<optimized out>, format=<optimized out>, ap=<optimized out>)
> >     at vfprintf.c:1648
> > #9  0x00007f0f5f1ac1f7 in ___vsprintf_chk (s=0x7fff96df2730 "-160686063957739622", flags=1, slen=20, 
> >     format=0x450588 "%5.1f%s", args=0x7fff96df2558) at vsprintf_chk.c:85
> > #10 0x00007f0f5f1ac13d in ___sprintf_chk (s=<optimized out>, flags=<optimized out>, slen=<optimized out>, 
> >     format=<optimized out>) at sprintf_chk.c:32
> > #11 0x00000000004263b8 in sprintf (__fmt=0x450588 "%5.1f%s", __s=0x7fff96df2730 "-160686063957739622")
> >     at /usr/include/x86_64-linux-gnu/bits/stdio2.h:34
> > #12 process_update_display () at process/do_process.cpp:869
> > #13 0x0000000000443b35 in one_measurement (seconds=<optimized out>, workload=<optimized out>) at main.cpp:215
> > #14 0x0000000000407762 in main (argc=1, argv=0x7fff96df4928) at main.cpp:468
> > 
> > This does not reproduce at will, but hopefully it helps.
> > 
> > Marc
> > -- 
> > "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
> > Microsoft is to operating systems ....
> >                                       .... what McDonalds is to gourmet cooking
> > Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901
> > _______________________________________________
> > PowerTop mailing list
> > PowerTop(a)lists.01.org
> > https://lists.01.org/mailman/listinfo/powertop
> > 
> 

-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901