https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #6 from David Hagood <david.hag...@cobham.com> ---
BTW: When I say I see no other threads - that is I see no other threads *within
Valgrind itself* - I have not attached to the process running under Valgrind.
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--- Comment #11 from David Hagood <david.hag...@cobham.com> ---
Created attachment 102262
--> https://bugs.kde.org/attachment.cgi?id=102262=edit
Trace of run with failure
Trace of run with lockup
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https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #15 from David Hagood <david.hag...@cobham.com> ---
OK, the backtraces are:
#0 0x38056bf9 in do_syscall_WRK ()
#1 0x38056d52 in vgPlain_do_syscall (sysno=sysno@entry=39,
a1=a1@entry=0, a2=a2@entry=0, a3=a3@entry
https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #12 from David Hagood <david.hag...@cobham.com> ---
How recent is recent enough?
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
And the trace really doesn't show any more than what I first posted: call to
exit_group, then spin f
https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #5 from David Hagood <david.hag...@cobham.com> ---
OK, I've tried 3.11, with no change of behavior (still locks).
(gdb) p vgPlain_threads[1].status
$13 = VgTs_Yielding
(gdb) p vgPlain_threads[1].exitreason
$14 = VgSrc_None
(
https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #17 from David Hagood <david.hag...@cobham.com> ---
I would be happy to, if you or somebody else can tell me how.
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https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #3 from David Hagood <david.hag...@cobham.com> ---
I tried with the version of Valgrind delivered with Ubuntu 14.04 (3.9), and had
the problem (hence why I went to 3.12). If you think it's worth it, I am
willing to try 3.11 - I couldn
https://bugs.kde.org/show_bug.cgi?id=372504
--- Comment #19 from David Hagood <david.hag...@cobham.com> ---
OK, looking through the resulting trace file shows the following:
At startup, there's a lot of
10966 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
10966 rt_sigprocmask(SIG_S
https://bugs.kde.org/show_bug.cgi?id=372504
Bug ID: 372504
Summary: Hanging on exit_group
Product: valgrind
Version: 3.12 SVN
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: grave
