[Xen-devel] xl segfault when starting a guest

[Christoph Egger <Christoph.Egger@xxxxxxx>]

Hi,

I installed c/s 25729 and xl crashes.
The prior c/s I used was 25687 and worked fine.
I can't find any c/s that could touch libxl in such a way.

xl segfaults with xl create.


# gdb xl
GNU gdb (GDB) 7.3.1
Copyright (C) 2011 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--netbsd".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/local.25729/sbin/xl...done.
(gdb) set args -vvv create -c /hvm-guest/win2008.conf
(gdb) run
Starting program: /usr/local.25729/sbin/xl create -c /hvm-guest/win2008.conf
Parsing config from /hvm-guest/win2008.conf

Program received signal SIGSEGV, Segmentation fault.
0x00007f7ff7806c57 in xlu__disk_yylex (yyscanner=0x7f7ff7b1f0c0)
    at libxlu_disk_l.c:1195
1195    libxlu_disk_l.c: No such file or directory.
        in libxlu_disk_l.c
(gdb) bt
#0  0x00007f7ff7806c57 in xlu__disk_yylex (yyscanner=0x7f7ff7b1f0c0)
    at libxlu_disk_l.c:1195
#1  0x00007f7ff7807d28 in xlu_disk_parse (cfg=<optimized out>, nspecs=1,
    specs=<optimized out>, disk=0x7f7ff7b24080) at libxlu_disk.c:66
#2  0x0000000000408213 in parse_disk_config_multistring
(config=0x7f7fffffd158,
    nspecs=1, specs=0x7f7fffffd0b8, disk=0x7f7ff7b24080) at xl_cmdimpl.c:423
#3  0x0000000000408284 in parse_disk_config (config=<optimized out>,
    spec=0x7f7ff7b01500 "file:/hvm-guest/win2008.img,ioemu:hda,w",
    disk=<optimized out>) at xl_cmdimpl.c:434
#4  0x000000000040a905 in parse_config_data (config_source=<optimized out>,
    config_data=<optimized out>, config_len=<optimized out>,
    d_config=0x7f7fffffd340, dom_info=<optimized out>) at xl_cmdimpl.c:920
#5  0x000000000040c35e in create_domain (dom_info=0x7f7fffffd610)
    at xl_cmdimpl.c:1742
#6  0x0000000000410466 in main_create (argc=3, argv=<optimized out>)
    at xl_cmdimpl.c:3771
#7  0x0000000000406f55 in main (argc=3, argv=0x7f7fffffdb68) at xl.c:267
(gdb)



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