Re: [Xen-devel] trying to debug xen4 & qemu-dm, Xen reports "core dump failed"

[0bo0 <0.bugs.only.0@xxxxxxxxx>]

apparently, the install debuginfo by buildid has -- challenges.

installing as much as I can find by hand,

xm create -c /etc/xen/vm/test.cfg
gdb /usr/lib/xen/bin/qemu-dm /var/core/core.qemu-dm.0.17726

Using config file "/etc/xen/vm/test.cfg".
xenconsole: Could not read tty from store: No such file or directory
GNU gdb (GDB) SUSE (6.8.91.20090930-2.4)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show
copying"
and "show warranty" for details.
This GDB was configured as "x86_64-suse-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/xen/bin/qemu-dm...(no debugging symbols
found)...done.

warning: Can't read pathname for load map: Input/output error.
Missing separate debuginfo for /lib64/libz.so.1
Try: zypper install -C
"debuginfo(build-id)=4a569edbadd351f13aab9ec81e31a7f31d76a80f"
Missing separate debuginfo for /usr/lib64/libxenctrl.so.4.0
Try: zypper install -C
"debuginfo(build-id)=219d2e00aba1b2bfd538cb1ad88d3eddd6db682b"
Missing separate debuginfo for /usr/lib64/libxenstore.so.3.0
Try: zypper install -C
"debuginfo(build-id)=fcf7d0904b10edcaf468e44ba4e9964478083f29"
Reading symbols from /lib64/libz.so.1...(no debugging symbols
found)...done.
Loaded symbols for /lib64/libz.so.1
Reading symbols from /lib64/libpthread-2.10.1.so...Reading symbols
from /usr/lib/debug/lib64/libpthread-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/libpthread-2.10.1.so
Reading symbols from /lib64/librt-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/librt-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/librt-2.10.1.so
Reading symbols from /lib64/libutil-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/libutil-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/libutil-2.10.1.so
Reading symbols from /usr/lib64/libxenctrl.so.4.0...(no debugging
symbols found)...done.
Loaded symbols for /usr/lib64/libxenctrl.so.4.0
Reading symbols from /usr/lib64/libxenstore.so.3.0...(no debugging
symbols found)...done.
Loaded symbols for /usr/lib64/libxenstore.so.3.0
Reading symbols from /lib64/libpci.so.3.1.3...Reading symbols from
/usr/lib/debug/lib64/libpci.so.3.1.3.debug...done.
done.
Loaded symbols for /lib64/libpci.so.3.1.3
Reading symbols from /usr/lib64/libSDL-1.2.so.0.11.2...Reading symbols
from /usr/lib/debug/usr/lib64/libSDL-1.2.so.0.11.2.debug...done.
done.
Loaded symbols for /usr/lib64/libSDL-1.2.so.0.11.2
Reading symbols from /usr/lib64/libX11.so.6.3.0...Reading symbols from
/usr/lib/debug/usr/lib64/libX11.so.6.3.0.debug...done.
done.
Loaded symbols for /usr/lib64/libX11.so.6.3.0
Reading symbols from /usr/lib64/libGL.so.1.2...Reading symbols from
/usr/lib/debug/usr/lib64/libGL.so.1.2.debug...done.
done.
Loaded symbols for /usr/lib64/libGL.so.1.2
Reading symbols from /lib64/libc-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/libc-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/libc-2.10.1.so
Reading symbols from /lib64/ld-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/ld-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/ld-2.10.1.so
Reading symbols from /lib64/libresolv-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/libresolv-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/libresolv-2.10.1.so
Reading symbols from /lib64/libm-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/libm-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/libm-2.10.1.so
Reading symbols from /lib64/libdl-2.10.1.so...Reading symbols from
/usr/lib/debug/lib64/libdl-2.10.1.so.debug...done.
done.
Loaded symbols for /lib64/libdl-2.10.1.so
Reading symbols from /usr/lib64/libXext.so.6.4.0...Reading symbols
from /usr/lib/debug/usr/lib64/libXext.so.6.4.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXext.so.6.4.0
Reading symbols from /usr/lib64/libXrandr.so.2.2.0...Reading symbols
from /usr/lib/debug/usr/lib64/libXrandr.so.2.2.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXrandr.so.2.2.0
Reading symbols from /usr/lib64/libxcb.so.1.1.0...Reading symbols from
/usr/lib/debug/usr/lib64/libxcb.so.1.1.0.debug...done.
done.
Loaded symbols for /usr/lib64/libxcb.so.1.1.0
Reading symbols from /usr/lib64/libXxf86vm.so.1.0.0...Reading symbols
from /usr/lib/debug/usr/lib64/libXxf86vm.so.1.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXxf86vm.so.1.0.0
Reading symbols from /usr/lib64/libXdamage.so.1.1.0...Reading symbols
from /usr/lib/debug/usr/lib64/libXdamage.so.1.1.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXdamage.so.1.1.0
Reading symbols from /usr/lib64/libXfixes.so.3.1.0...Reading symbols
from /usr/lib/debug/usr/lib64/libXfixes.so.3.1.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXfixes.so.3.1.0
Reading symbols from /usr/lib64/libdrm.so.2.4.0...Reading symbols from
/usr/lib/debug/usr/lib64/libdrm.so.2.4.0.debug...done.
done.
Loaded symbols for /usr/lib64/libdrm.so.2.4.0
Reading symbols from /usr/lib64/libXrender.so.1.3.0...Reading symbols
from /usr/lib/debug/usr/lib64/libXrender.so.1.3.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXrender.so.1.3.0
Reading symbols from /usr/lib64/libXau.so.6.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libXau.so.6.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libXau.so.6.0.0
Core was generated by `/usr/lib/xen/bin/qemu-dm -d 11 -serial pty
-domain-name test -videoram 4 -k en-'.
Program terminated with signal 11, Segmentation fault.
#0  0x000000000047b974 in bdrv_get_type_hint ()
(gdb) Error: Domain 'test' does not exist.\
(gbd) bt
#0  0x000000000047b974 in bdrv_get_type_hint ()
#1  0x0000000000464082 in xenstore_parse_domain_config ()
#2  0x000000000040c099 in main ()
(gbd) quit

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