Re: [Powertop] Segmentation fault with powertop --html

> Hi,
>
>> > I get a segmentation fault with powertop 2.6 if I want to generate
>> > an HTML report:
>> > $ powertop --html
>> > Loaded 750 prior measurements
>> > RAPL device for cpu 0
>> > RAPL device for cpu 0
>> > Preparing to take measurements
>> >   unknown op '{'
>> > [1]    5221 segmentation fault (core dumped)  powertop --html
>> >
>> > Backtrace:
>> > Core was generated by `powertop --html'.
>> > Program terminated with signal 11, Segmentation fault.
>> > #0  0x00007f9f6d52019f in std::string::assign(std::string const&)
>> > () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>> > Traceback (most recent call last):
>> >   File
>> > "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.20-gdb.py",
>> > line 59, in <module>
>> >     from libstdcxx.v6.printers import register_libstdcxx_printers
>> >   File
>> > "/usr/lib/x86_64-linux-gnu/../../share/gcc-4.9/python/libstdcxx/v6/printers.py",
>> > line 392
>> >     raise ValueError, "Unsupported implementation for %s" %
>> > str(node.type) ^
>> > SyntaxError: invalid syntax
>> > (gdb) backtrace
>> > #0  0x00007f9f6d52019f in std::string::assign(std::string const&)
>> > () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>> > #1  0x00000000004114ae in operator= (__str=...,
>> > this=0x7fff595c2408) at /usr/include/c++/4.8/bits/basic_string.h:547
>> > #2  report_display_cpu_cstates () at cpu/cpu.cpp:529
>> > #3  0x0000000000449374 in one_measurement (seconds=seconds(a)entry=1,
>> > workload=workload(a)entry=0x0) at main.cpp:221
>> > #4  0x00000000004495c2 in make_report (time=20,
>> > workload=workload(a)entry=0x7fff595c3b30 "",
>> > iterations=iterations(a)entry=1, file=file(a)entry=0x7fff595c2b30
>> > "powertop.html") at main.cpp:254 #5  0x000000000040741d in main
>> > (argc=2, argv=0x7fff595c4c58) at main.cpp:441
>> >
> [..]
>>
>> Please give me more details on what platform are you executing this. I
>> can't reproduce this.
>
> sure, I have a Lenovo Thinkpad X121e with an AMD E-450 APU:
> $lspci-nn
>
>                                                    :(
> 00:00.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 14h
> Processor Root Complex [1022:1510]
> 00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
> [AMD/ATI] Wrestler [Radeon HD 6320] [1002:9806]
> 00:01.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI]
> Wrestler HDMI Audio [1002:1314]
> 00:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Family 14h
> Processor Root Port [1022:1512]
> 00:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Family 14h
> Processor Root Port [1022:1514]
> 00:07.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Family 14h
> Processor Root Port [1022:1515]
> 00:11.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD/ATI]
> SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] [1002:4391]
> 00:12.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI]
> SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
> 00:12.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI]
> SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
> 00:13.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI]
> SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
> 00:13.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI]
> SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
> 00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus
> Controller [1002:4385] (rev 42)
> 00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00
> Azalia (Intel HDA) [1002:4383] (rev 40)
> 00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD/ATI]
> SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d] (rev 40)
> 00:14.4 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00
> PCI to PCI Bridge [1002:4384] (rev 40)
> 00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 0 [1022:1700] (rev 43)
> 00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 1 [1022:1701]
> 00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 2 [1022:1702]
> 00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 3 [1022:1703]
> 00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 4 [1022:1704]
> 00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 6 [1022:1718]
> 00:18.6 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 5 [1022:1716]
> 00:18.7 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family
> 12h/14h Processor Function 7 [1022:1719]
> 01:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N
> 6200 [8086:4239] (rev 2c)
> 02:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit
> Ethernet [1969:1083] (rev c0)
> 03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd.
> RTS5209 PCI Express Card Reader [10ec:5209] (rev 01)
>
> If that information does not help I could also try and bisect the problem.
>
>
> Cheers,
> Julian
>

this is useful, also what distribution?

Thank you,
Alexandra.