[Xen-bugs] [Bug 601] New: Xm top fails and mini-os does not build

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=601

           Summary: Xm top fails and mini-os does not build
           Product: Xen
           Version: 3.0.1
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Tools
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ramsdell@xxxxxxxxx


I'm running on a 32-bit x86 machine with Fedora Core 5.  There is a
problem that causes a compilation failure when building mini-os from
its sources.  An integer in xenbus/xenbus_xs.c should be unsigned.
Furthermore, a use of "xm top" asks me to report a bug.  A transcript is
enclosed. 

John

$ diff -ur oxen-3.0.1 xen-3.0.1
Only in xen-3.0.1/extras/mini-os: events.o
Only in xen-3.0.1/extras/mini-os: hypervisor.o
Only in xen-3.0.1/extras/mini-os/include: xen
Only in xen-3.0.1/extras/mini-os: kernel.o
Only in xen-3.0.1/extras/mini-os/lib: math.o
Only in xen-3.0.1/extras/mini-os/lib: printf.o
Only in xen-3.0.1/extras/mini-os/lib: string.o
Only in xen-3.0.1/extras/mini-os/lib: xmalloc.o
Only in xen-3.0.1/extras/mini-os: mini-os.elf
Only in xen-3.0.1/extras/mini-os: mini-os.gz
Only in xen-3.0.1/extras/mini-os: mm.o
Only in xen-3.0.1/extras/mini-os: sched.o
Only in xen-3.0.1/extras/mini-os: time.o
Only in xen-3.0.1/extras/mini-os: traps.o
Only in xen-3.0.1/extras/mini-os: x86_32.o
Only in xen-3.0.1/extras/mini-os/xenbus: xenbus_comms.o
diff -ur oxen-3.0.1/extras/mini-os/xenbus/xenbus_xs.c
xen-3.0.1/extras/mini-os/xenbus/xenbus_xs.c
--- oxen-3.0.1/extras/mini-os/xenbus/xenbus_xs.c        2006-03-01
17:38:57.000000000 -0500
+++ xen-3.0.1/extras/mini-os/xenbus/xenbus_xs.c 2006-04-05 10:56:21.000000000
-0400
@@ -335,7 +335,7 @@
                  const char *dir, const char *node)
 {
        char **d;
-       int dir_n;
+       unsigned int dir_n;

        d = xenbus_directory(t, dir, node, &dir_n);
        if (IS_ERR(d))
Only in xen-3.0.1/extras/mini-os/xenbus: xenbus_xs.c~
Only in xen-3.0.1/extras/mini-os/xenbus: xenbus_xs.o
Only in xen-3.0.1/extras/mini-os/xenbus: xenstored.h


[ramsdell@goo mini-os]$ su
Password:
[root@goo mini-os]# pwd
/home/ramsdell/src/xen-3.0.1/extras/mini-os
[root@goo mini-os]# /usr/sbin/xm create domain_config
Using config file "domain_config".
Started domain Mini-OS
[root@goo mini-os]# /usr/sbin/xm top
Unexpected error: exceptions.OSError

Please report to xen-devel@xxxxxxxxxxxxxxxxxxx
Traceback (most recent call last):
  File "/usr/sbin/xm", line 10, in ?
    main.main(sys.argv)
  File "/usr/lib/python2.4/site-packages/xen/xm/main.py", line 1021, in main
    rc = cmd(args)
  File "/usr/lib/python2.4/site-packages/xen/xm/main.py", line 654, in xm_top
    os.execvp('xentop', ['xentop'])
  File "/usr/lib/python2.4/os.py", line 341, in execvp
    _execvpe(file, args)
  File "/usr/lib/python2.4/os.py", line 379, in _execvpe
    func(fullname, *argrest)
OSError: [Errno 2] No such file or directory
[root@goo mini-os]# /usr/sbin/xm list
Name                              ID Mem(MiB) VCPUs State  Time(s)
Domain-0                           0     1416     1 r-----    41.9
Mini-OS                            1       32     1 ------     8.6
[root@goo mini-os]# /usr/sbin/xm destroy Mini-OS
[root@goo mini-os]# /usr/sbin/xm list
Name                              ID Mem(MiB) VCPUs State  Time(s)
Domain-0                           0     1416     1 r-----    46.2
[root@goo mini-os]#


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