Hi, just an update: this still fails in Debian testing even though its kernel has been compiled with GCC 4.5.3:
lindi2:~$ cat /proc/version Linux version 3.0.0-1-amd64 (Debian 3.0.0-1) (b...@decadent.org.uk) (gcc version 4.5.3 (Debian 4.5.3-4) ) #1 SMP Sun Jul 24 02:24:44 UTC 2011 lindi2:~$ dpkg-query -W systemtap systemtap 1.6-1 lindi2$ sudo stap /usr/share/doc/systemtap-doc/examples/profiling/sched_switch.stp pid $$ semantic error: not accessible at this address (0xffffffff81334ee6, dieoffset: 0x694bc4): identifier '$prev' at /usr/share/systemtap/tapset/scheduler.stp:145:19 source: prev_priority = $prev->prio ^ semantic error: not accessible at this address (0xffffffff81334ee6, dieoffset: 0x694bc4): identifier '$prev' at :146:14 source: prev_pid = $prev->tgid ^ semantic error: not accessible at this address (0xffffffff81334ee6, dieoffset: 0x694bc4): identifier '$prev' at :148:15 source: prev_task = $prev ^ semantic error: not accessible at this address (0xffffffff81334ee6, dieoffset: 0x694bc4): identifier '$prev' at :149:34 source: prev_task_name = task_execname($prev) ^ semantic error: not accessible at this address (0xffffffff81334ee6, dieoffset: 0x694bc4): identifier '$prev' at :150:19 source: prevtsk_state = $prev->state ^ semantic error: unable to find local 'new' near pc 0xffffffff81334ee6 in context_switch /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/kernel/sched.c ( (alternatives: $next $prev): identifier '$new' at :170:19 source: next_priority = $new->prio ^ semantic error: unable to find local 'new' near pc 0xffffffff81334ee6 in context_switch /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/kernel/sched.c ( (alternatives: $next $prev): identifier '$new' at :171:14 source: next_pid = $new->tgid ^ semantic error: unable to find local 'new' near pc 0xffffffff81334ee6 in context_switch /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/kernel/sched.c ( (alternatives: $next $prev): identifier '$new' at :174:34 source: next_task_name = task_execname($new) ^ semantic error: unable to find local 'new' near pc 0xffffffff81334ee6 in context_switch /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/kernel/sched.c ( (alternatives: $next $prev): identifier '$new' at :175:19 source: nexttsk_state = $new->state ^ Pass 2: analysis failed. Try again with another '--vp 01' option. -Timo -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org