Re: [Valgrind-users] Valgrind on mips64

[Vikram C. <vik...@gm...>]

Thanks a lot. This looks promising. I will try and get back to you.

Vikram

On Tue, Oct 3, 2017 at 4:01 AM, Maran Pakkirisamy <
mpa...@ca...> wrote:

> Probably your application is accessing xkphys address space on cavium
> processor.
>
> Try this branch which has support for applications accessing xkphys
> address space specifically on octeon processors.
> https://github.com/valgrindocteon/valgrind/commits/devel/octeon3
>
> You would have to add following command line switch when invoking valgrind
> (to instruct valgrind to ignore xkphys address space)
>
> --ignore-ranges=0x8000000000000000-0xbfffffffffffffff
>
>
>
> On Wednesday 20 September 2017 03:20 AM, Vikram Chhibber wrote:
>
> Hi All,
>
> I am trying to run valgrind on our mips 64 bit platform. I have compiled
> valgrind 3.13 with following configure arguments:
>
> ./configure --host=mips64-poky-linux --prefix=...  --build=x86_64-linux
> CC=... CXX=...
>
> My code access memory-address range starting from 0x8001180000000000. This
> is ligitimate access.
> We have added following valgrind macro in the code before this access as:
> VALGRIND_MALLOCLIKE_BLOCK(CVMX_ADD_IO_SEG(0x8001180000000000ull),
> 0x0000000000f00000ull, 0, 1);
>
> But when the code tries accessing the memory region, it simply terminates
> with SIGBUS:
>
> ==1492== Process terminating with default action of signal 10 (SIGBUS)
>
>
> If we remove the above valgrind macro, the program still terminates with
> SIGBUS with additional error message.
>
> ==890==  Address 0x8001180000001500 is not stack'd, malloc'd or
> (recently) free'
>
> ==890== Process terminating with default action of signal 10 (SIGBUS)
>
>
> I have tried valgrind 3.12 with same issue. If I run any other application
> under valgrind that does not access this memory region, it works fine.
>
> Also, this application runs fine without valgrind.
>
> Please let me know what can we do to get around this issue.
>
> Thanks
>
>
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>
> --
> Maran Pakkirisamy
>
>