Date: Tue, 25 Feb 2025 06:33:37 -0800 From: Mark Millard <marklmi@yahoo.com> To: FreeBSD ARM List <freebsd-arm@freebsd.org> Subject: aarch64 under Parallels on macBook Pro M4 Max (macOS): The gdb backtrace from a dump is useless (just ipi_stop or doadump for each core) Message-ID: <78188D76-9A9C-40E3-AC1E-496C9E8DCDEA@yahoo.com>
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So far dumps have only produced gdb backtraces that look like
the following one:
Tue Feb 25 13:28:37 PST 2025
FreeBSD aarch64-main-pbase 15.0-CURRENT FreeBSD 15.0-CURRENT #2 main-n275290-9ef38a01aea8-dirty: Tue Feb 18 19:42:12 PST 2025 root@aarch64-main-pbase:/usr/obj/BUILDs/main-CA76-nodbg-clang/usr/main
-src/arm64.aarch64/sys/GENERIC-NODBG-CA76 arm64
panic: softdep_setup_inomapdep: dependency 0xffffa000c5d52a80 for newinode already exists
Reading symbols from /boot/kernel.CA76-NODBG/kernel...
Reading symbols from /usr/lib/debug//boot/kernel.CA76-NODBG/kernel.debug...
Reading symbols from /boot/kernel.CA76-NODBG/virtio_balloon.ko...
Reading symbols from /usr/lib/debug//boot/kernel.CA76-NODBG/virtio_balloon.ko.debug...
0xffff0000004eea98 in doadump (textdump=0)
at /usr/main-src/sys/kern/kern_shutdown.c:404
404 dump_savectx();
(kgdb) #0 0xffff0000004eea98 in doadump (textdump=0)
at /usr/main-src/sys/kern/kern_shutdown.c:404
error = 0
coredump = <optimized out>
#1 0x64fd0000000f5eac in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(kgdb) (kgdb) Tracing command "clock", '\000' <repeats 14 times> pid 2 tid 100088 (CPU 0)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x3fa80000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100004 (CPU 1)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x5ecf0000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "devd", '\000' <repeats 15 times> pid 430 tid 100184 (CPU 2)
#0 0xffff0000004eea98 in doadump (textdump=0)
at /usr/main-src/sys/kern/kern_shutdown.c:404
#1 0x64fd0000000f5eac in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100006 (CPU 3)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x849e0000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100007 (CPU 4)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0xc5cb0000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100008 (CPU 5)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x8f900000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100009 (CPU 6)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x5b810000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100010 (CPU 7)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x3ee80000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100011 (CPU 8)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x61e40000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100012 (CPU 9)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0xc18d0000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100013 (CPU 10)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x0aba0000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100014 (CPU 11)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x93820000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100015 (CPU 12)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0xe5ac0000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Tracing command "idle\000l", '\000' <repeats 13 times> pid 11 tid 100016 (CPU 13)
#0 0xffff0000008af864 in ipi_stop (dummy=<optimized out>)
at /usr/main-src/sys/arm64/arm64/mp_machdep.c:342
#1 0x91880000008a5580 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(kgdb)
===
Mark Millard
marklmi at yahoo.com
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