https://bugs.kde.org/show_bug.cgi?id=452274
--- Comment #17 from Nick Briggs <afraid-splicer...@icloud.com> --- Created attachment 148033 --> https://bugs.kde.org/attachment.cgi?id=148033&action=edit C source test case This test case provokes the problem. cc -O2 -pipe vgtest2.c -o vgtest2 Running under valgrind: [...] DEBUG: vgPlain_client_syscall sysno 4 DEBUG: vgPlain_client_syscall sysno 4 DEBUG: vgPlain_client_syscall sysno 4 DEBUG: vgPlain_client_syscall sci->status.what 2 DEBUG: vgPlain_client_syscall sysno 1000 valgrind: m_syswrap/syswrap-main.c:2142 (void vgPlain_client_syscall(ThreadId, UInt)): Assertion 'sci->status.what == SsIdle' failed. host stacktrace: ==95237== at 0x381169B9: ??? (in /usr/home/briggs/valgrind/memcheck/memcheck-x86-freebsd) ==95237== by 0x38116C96: ??? (in /usr/home/briggs/valgrind/memcheck/memcheck-x86-freebsd) sched status: running_tid=1 Thread 1: status = VgTs_Runnable syscall 1000 (lwpid 100137) ==95237== at 0x381A0601: ??? (in /usr/home/briggs/valgrind/memcheck/memcheck-x86-freebsd) ==95237== by 0x4018FD: main (in /var/tmp/vgtest2) client stack range: [0xFBBFC000 0xFBBFEFFF] client SP: 0xFBBFE1E8 valgrind stack range: [0x51BE000 0x52BDFFF] top usage: 5792 of 1048576 -- You are receiving this mail because: You are watching all bug changes.