https://bugs.kde.org/show_bug.cgi?id=446429
--- Comment #2 from Prashanth Linganna <prashanth.fe...@gmail.com> ---
Thank you Tom for your reply.
I don't think we are using any kind of interrupt in the user program. The
x86/IR unhandled instruction happens sometimes and not always.
But I do see every time below message before going down. I am not getting what
is wrong here.
The system is 64bit kernel and 32-bit application running. The stack size of
8Kb
Please give me some pointer to debug further.
What is the below message mean?
1.
==9224== Warning: client switching stacks? SP change: 0xfee6836c -->
0xfec1dbc0
==9224== to suppress, use: --max-stackframe=2402220 or greater
2.
client stack range: [0xFEC1C000 0xFEE9EFFF] client SP: 0xFEC1D680
valgrind stack range: [0x82C41000 0x82D40FFF] top usage: 7392 of 1048576
============================================================================
==9224== Warning: client switching stacks? SP change: 0xfee6836c -->
0xfec1dbc0
==9224== to suppress, use: --max-stackframe=2402220 or greater
==9224== Invalid write of size 4
==9224== at 0x3637DDE: smgr_fsm_state_open (sessmgr_fsm.c:382)
==9224== by 0x3663AE5: smgr_callline_fsm (sessmgr_fsm.c:244)
<-SNIP->
==9224== by 0x7F59D27: egtpc_handle_gtp_message (egtpc_interface.c:3018)
==9224== Address 0xfec1dbcc is on thread 1's stack
==9224== in frame #0, created by smgr_fsm_state_open (sessmgr_fsm.c:382)
Memcheck: the 'impossible' happened:
memcheck:isAlwaysDefd:partial overlap
host stacktrace:
==9224== at 0x5803C91F: ??? (in
/usr/test/libexec/valgrind/memcheck-x86-linux)
sched status:
running_tid=1
Thread 1: status = VgTs_Runnable (lwpid 9224)
==9224== at 0x44FC81B: sessmgr_pgw_handle_new_call (sessmgr_pgw.c:34926)
==9224== by 0x3638113: smgr_fsm_state_open (sessmgr_fsm.c:447)
<-SNIP->
==9224== by 0xBB107C9: main (sn_main.c:464)
client stack range: [0xFEC1C000 0xFEE9EFFF] client SP: 0xFEC1D680
valgrind stack range: [0x82C41000 0x82D40FFF] top usage: 7392 of 1048576
========================================================================
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