Re: [Xen-devel] Fwd: NetBSD xl core-dump not working... Memory fault (core dumped)

["Miguel C." <miguelmclara@xxxxxxxxx>]

yes its 4.2 from pkgsrc. how can i get the changeset id?

Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
>On Mon, 2013-11-04 at 22:13 +0000, Mike C. wrote:
>> On 31.10.13 04:34, Miguel Clara wrote:
>> 
>> > I was trying to get a core-dump for a domU with xl and got this
>error:
>> >
>> > # xl dump-core 20 test.core
>> > Memory fault
>> >
>> > GDB shows this:
>> >
>> > a# gdb xl xl.core
>> > 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/sbin/xl...done.
>> > [New process 1]
>> > Core was generated by `xl'.
>> > Program terminated with signal 11, Segmentation fault.
>> > #0  0x00007f7ff7007b45 in xc_domain_dumpcore_via_callback
>> > (xch=0x7f7ff7b0d800, domid=20, args=0x7f7fffffdae0,
>> > dump_rtn=0x7f7ff700632c<local_file_dump>)
>> >      at xc_core.c:860
>
>We need to know your version of Xen (ideally the changeset id) to make
>sense of these line numbers. Line 860 of this file doesn't look
>plausible for unstable or 4.3.0. Could be 4.2 I guess?
>
>> > 860     xc_core.c: No such file or directory.
>> >          in xc_core.c
>> >
>> >
>> > (gdb) backtrace
>> > #0  0x00007f7ff7007b45 in xc_domain_dumpcore_via_callback
>> > (xch=0x7f7ff7b0d800, domid=20, args=0x7f7fffffdae0,
>> > dump_rtn=0x7f7ff700632c<local_file_dump>)
>> >      at xc_core.c:860
>> > #1  0x00007f7ff7007fda in xc_domain_dumpcore (xch=0x7f7ff7b0d800,
>> > domid=20, corename=0x7f7ffffffe78 "test.core") at xc_core.c:983
>> > #2  0x00007f7ff74117b3 in libxl_domain_core_dump
>(ctx=0x7f7ff7b03200,
>> > domid=20, filename=0x7f7ffffffe78 "test.core", ao_how=<optimized
>out>)
>> > at libxl.c:808
>> > #3  0x000000000040f748 in core_dump_domain (filename=0x7f7ffffffe78
>> > "test.core", domain_spec=<optimized out>) at xl_cmdimpl.c:3301
>> > #4  main_dump_core (argc=<optimized out>, argv=0x7f7fffffdca0) at
>> > xl_cmdimpl.c:3642
>> > #5  0x0000000000407055 in main (argc=3, argv=0x7f7fffffdca0) at
>xl.c:267
>> >
>> 
>> I think, xen-devel is the right list for this.
>> It's ok to cross-post to keep NetBSD people involved for answering
>> NetBSD specific questions from the Xen/Citrix people that would
>> be not answered, otherwise.
>> 
>> Christoph
>> 
>> 
>> 
>> 
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxx
>> http://lists.xen.org/xen-devel

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