Re: [Powertop] [PATCH] Bug-fix:Segmentation fault with powertop --html

Julian Wollrath <jwollrath at web.de>
Newsgroups dev.linux.lists.powertop
Message-ID <20140522154532.79d1ffe3@ilfaris>
> Julian can you test the patch please. thank you. AY. 
Thank you for the patch but unfortunately powertop still segfaults:
$ powertop --html
Loaded 750 prior measurements
RAPL device for cpu 0
RAPL device for cpu 0
Preparing to take measurements
  unknown op '{'
*** Error in `powertop': free(): invalid pointer: 0x000000000187cdef ***
Taking 1 measurement(s) for a duration of 20 second(s) each.
[1]    22616 segmentation fault (core dumped)  powertop --html

Backtrace:
#0  0x00007f63d8c8e1af in std::string::assign(std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x0000000000410f31 in operator= (__str="C1", this=0x7fff65b509a0)
    at /usr/include/c++/4.8/bits/basic_string.h:547
#2  report_display_cpu_cstates () at cpu/cpu.cpp:587
#3  0x00000000004493f4 in one_measurement (seconds=seconds(a)entry=20,
workload=workload(a)entry=0x7fff65b521b0 "") at main.cpp:221
#4  0x00000000004496a6 in make_report (time=20,
workload=workload(a)entry=0x7fff65b521b0 "",
iterations=iterations(a)entry=1, file=file(a)entry=0x7fff65b511b0
"powertop.html") at main.cpp:264 #5  0x000000000040741d in main
(argc=2, argv=0x7fff65b532d8) at main.cpp:441


Cheers,
Julian
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.