Hi,
I just tried your test on -STABLE + 1 fix from current [1] and got no trap.
dtrace: buffer size lowered to 2m
CPU ID FUNCTION:NAME
4 42224 accept:return nc accept:return
Assertion failed: (dpr != NULL), file
/usr/src/cddl/lib/libdtrace/../../../cddl/contrib/opensolaris/lib/libdtrace/common/dt_proc.c,
line 751.
Abort (core dumped)
Also 1st dtrace was killed as well.
I tried 2 times with the same result. Box is amd64.
This is bt from gdb:
(gdb) bt
#0 0x0000000800fa2f9c in thr_kill () from /lib/libc.so.7
#1 0x000000080103f6cb in abort () from /lib/libc.so.7
#2 0x0000000800786758 in dt_proc_lookup () from /lib/libdtrace.so.2
#3 0x00000008007867db in dt_proc_lock () from /lib/libdtrace.so.2
#4 0x00000008007a5bcb in dt_print_ustack () from /lib/libdtrace.so.2
#5 0x00000008007a8504 in dt_print_agg () from /lib/libdtrace.so.2
#6 0x00000008007a88ca in dtrace_consume () from /lib/libdtrace.so.2
#7 0x000000080077e1a2 in dtrace_work () from /lib/libdtrace.so.2
#8 0x00000000004044ba in ?? ()
#9 0x000000000040222e in ?? ()
[skip]
[1] http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/159064
On 07/26/2011 03:20 AM, maestro something wrote:
Hi,
when using the ustack action on the latest FreeBSD8.2 i386 the kernel
panics.
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