-bash-3.1$ /usr/lib/frysk/funit-exec $$ 0 1000 /bin/echo hi & [1] 2332 2332.2332: creating 0 threads 2332.2332: send sig 0 to pid 1868 2332.2332: sleep 1000 sec -bash-3.1$ fstack 2332 Task #2332 #0 0x0 in null () -bash-3.1$
Upstream frysk bug: http://sourceware.org/bugzilla/show_bug.cgi?id=3999
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Fixed as of 2007-05-11 frysk-core/frysk/rt/CL *StackFactory.java: Switch to using RemoteFrame. -bash-3.1$./frysk-core/frysk/pkglibdir/arch32/funit-exec $$ 0 1000 /bin/echo hi & [1] 19147 -bash-3.1$ 19147.19147: creating 0 threads 19147.19147: send sig 0 to pid 2991 19147.19147: sleep 1000 sec -bash-3.1$./frysk-core/frysk/bindir/fstack 19147 Task #19147 #0 0x00000000 in [unknown] #1 0x49c1d1b149c1d13c in __libc_sigsuspend () #2 0x8048e9908048e98 in main () #3 0x49c09ded49c09dec in __libc_start_main () #4 0x804896208048961 in _start ()
Also vdso reading is fixed. 1$ ./frysk-core/frysk/pkglibdir/arch32/funit-exec $$ 0 1000 /bin/echo hi & [1] 30548 -bash-3.1$ 30548.30548: creating 0 threads 30548.30548: send sig 0 to pid 11694 30548.30548: sleep 1000 sec -bash-3.1$ ./frysk-core/frysk/bindir/fstack 11694 Task #11694 #0 0x0000003b94094165 in __libc_waitpid () #1 0x0000000000450b8f in _start () #2 0x00000000004369ce in wait_for () #3 0x000000000042a804 in execute_command_internal () #4 0x000000000042b2df in execute_command () #5 0x000000000041b2ae in reader_loop () #6 0x000000000041ae09 in main () #7 0x0000003b9401d8a4 in __libc_start_main () #8 0x0000000000418ca9 in _start ()
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHEA-2007-0592.html