Hi Philippe,
Thank you for your hints. I changed Valgrind starting options to get more
error message. I used a smaller thread numer and tried again, which was
sucessful! Thank you so much!!
Best regards
--6391-- Reading syms from /lib64/libnss_files-2.5.so
--6391-- svma 0x0000001fe0, avma 0x0008f08fe0
vg_alloc_ThreadState: no free slots available
Increase VG_N_THREADS, rebuild and try again.
2013/4/18 Philippe Waroquiers <[email protected]>
> On Wed, 2013-04-17 at 13:07 +0800, Ice Frog wrote:
>
>
> > I'm using Valgrind for profiling, but it reported failures(lots of
> > failures with same error message) as below:
> >
> >
> > Thread 295: status = VgTs_WaitSys
>
>
> There is very little info with which help can be provided.
>
> Are you using callgrind or cachegrind for cpu profiling ?
> Or massif or dhat for heap profiling ?
>
> The above msg looks to be an extract from a bigger set of information:
> looking in the valgrind code, I am guessing that the only piece of
> code that can produce the above 'Thread status=' message is
> the function 'VG_(show_sched_status)'.
>
> This function is either called explicitely on user request
> (which I guess is not your case)
> or if some kind of internal error is detected by Valgrind,
> causing an abort of Valgrind.
> For such cases, an error msg explaining what is the internal
> error is produced preceding or following the status of all threads.
>
> The best to provide some info is to attach the full output of your run
> (as is) and/or another run with some additional tracing
> arguments (e.g. -v -v -v -d -d -d).
>
> Or at least examine the surrounding of these 'Thread status' messages
> to see if there is not an indication of an internal error.
> Just having a thread status as shown above gives no idea about
> what problem has been encountered.
>
> Philippe
>
>
>
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