[Xen-users] gdbserver-xen crashes with --attach option

["Dharmadeep Muppalla" <dharmadeep@xxxxxxxxx>]

Hi,

  I am using xen-3.0.2-2 version on a x86_64 machine. gdbserver-xen
crashes whenever I connect to it using gdb. I am pasting the backtrace
of gdbserver-xen below.

Thanks,
dharmadeep

#0  0x00002b7b29382867 in map_domain_va (xc_handle=7, cpu=0,
   guest_va=0xffffffff80107000, perm=1) at xc_ptrace.c:384
#1  0x00002b7b29382d07 in xc_ptrace (xc_handle=7, request=PTRACE_PEEKTEXT,
   domid_tid=0, eaddr=-2146406400, edata=0) at xc_ptrace.c:484
#2  0x00000000004055e9 in linux_read_memory (memaddr=-2146406400,
   myaddr=0x7ffffff7f020 "h\002", len=Variable "len" is not available.
)
   at ../../../gdb-6.2.1/gdb/gdbserver/linux-xen-low.c:406
#3  0x000000000040437a in read_inferior_memory (memaddr=-2146406400,
   myaddr=0x7ffffff7f020 "h\002", len=1)
   at ../../../gdb-6.2.1/gdb/gdbserver/target.c:64
#4  0x0000000000403b84 in main (argc=4, argv=0x7ffffff7f8e8)
   at ../../../gdb-6.2.1/gdb/gdbserver/server.c:520

(gdb) p/x va
$5 = 0xffffffff80107000
(gdb) p nr_pages
$6 = 64256

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