[Fedora-xen] Problems with starting xen guest (DomU)

Itamar Reis Peixoto itamar at ispbrasil.com.br
Sat Feb 24 22:10:03 UTC 2007


Problems with starting xen guest (DomU)seems to be a networking problem



add this line to your /etc/modprobe.conf in your domU



alias eth0 xennet



and try to boot your domU again.





Bringing up loopback interface:  [  OK  ] Bringing up interface eth0:  Device eth0 does not seem to be present, delaying initialization. 





--------------------

Itamar Reis Peixoto

e-mail: itamar at ispbrasil.com.br
msn: itamarjp at starmedia.com
skype: itamarjp 
icq: 81053601
+55 34 3238 3845
+55 11 4063 5033
  ----- Original Message ----- 
  From: Eduardo Amaral 
  To: Itamar Reis Peixoto ; fedora-xen at redhat.com 
  Sent: Saturday, February 24, 2007 12:13 AM
  Subject: RE: [Fedora-xen] Problems with starting xen guest (DomU)


  I put img file on hda2 and swap on hda1. Now DomU started booting but it did not move one after starting sshd. Any idea what is going on ?

  Thanks
  Eduardo

  Creating root device. 

  Mounting root filesystem. 

  EXT3-fs: INFO: recovery required on readonly filesystem. 

  EXT3-fs: write access will be enabled during recovery. 

  kjournald starting.  Commit interval 5 seconds

  EXT3-fs: recovery complete. 

  EXT3-fs: mounted filesystem with ordered data mode. 

  Setting up other filesystems. 

  Setting up new root fs

  no fstab.sys, mounting internal defaults Switching to new root and running init. 

  unmounting old /dev

  unmounting old /proc

  unmounting old /sys

  SELinux:  Disabled at runtime. 

  SELinux:  Unregistering netfilter hooks

  audit(1172281317.492:2): selinux=0 auid=4294967295

  INIT: version 2.86 booting 

                  Welcome to Fedora Core 

                  Press 'I' to enter interactive startup. 

  Setting clock : Fri Feb 23 20:41:59 EST 2007 [  OK  ] Setting hostname fc6_pristine:  [  OK  ] Checking filesystems Checking all file systems. 

  [  OK  ]

  Remounting root filesystem in read-write mode:  [  OK  ] Mounting local filesystems:  [  OK  ] Enabling /etc/fstab swaps:  [  OK  ]

  INIT: Entering runlevel: 3

  Entering non-interactive startup

  Bringing up loopback interface:  [  OK  ] Bringing up interface eth0:  Device eth0 does not seem to be present, delaying initialization. 

  [FAILED]

  Starting system logger: [  OK  ]

  Starting kernel logger: [  OK  ]

  Starting sshd: [  OK  ]






------------------------------------------------------------------------------
  From: Itamar Reis Peixoto [mailto:itamar at ispbrasil.com.br] 
  Sent: Wednesday, February 21, 2007 1:14 PM
  To: Amaral, Eduardo (UNID:2637); fedora-xen at redhat.com
  Subject: Re: [Fedora-xen] Problems with starting xen guest (DomU)


  Kernel ="/boot/vmlinuz-2.6.19-1.2895.fc6xen"
  memory= 128
  name="fedora.fc6"
  vif=[' ']
  disk=['file:/root/Desktop/m_virtual/fedora.fc6.img,hda1,w' , ' file:/root/Desktop/m_virtual/fedora.swap,hda2,w´]
  root="/dev/hda2 ro" 

  hda2 seems to be a swap, your domU never boot.

  --------------------

  Itamar Reis Peixoto

  e-mail: itamar at ispbrasil.com.br
  msn: itamarjp at starmedia.com
  skype: itamarjp 
  icq: 81053601
  +55 34 3238 3845
  +55 11 4063 5033
    ----- Original Message ----- 
    From: Eduardo Amaral 
    To: Itamar Reis Peixoto ; fedora-xen at redhat.com 
    Sent: Monday, February 19, 2007 11:08 PM
    Subject: RE: [Fedora-xen] Problems with starting xen guest (DomU)


    Thanks Itamar . I ceated initrd file and started the guest DomU but i am still having problems... See below the last lines


    SCSI subsystem initialized

    Loading sd_mod.ko module

    Loading libata.ko module

    Loading sata_nv.ko module

    Loading xenblk.ko module

    Registering block device major 3

    Creating root device. 

    Mounting root filesystem. 

    VFS: Can't find ext3 filesystem on dev hda2. 

    mount: error mounting /dev/root on /sysroot as ext3: Invalid argument Setting up other filesystems. 

    Setting up new root fs

    setuproot: moving /dev failed: No such file or directory no fstab.sys, mounting internal defaults

    setuproot: error mounting /proc: No such file or directory

    setuproot: error mounting /sys: No such file or directory Switching to new root and running init. 

    unmounting old /dev

    unmounting old /proc

    unmounting old /sys

    switchroot: mount failed: No such file or directory Kernel panic - not syncing: Attempted to kill init! 

     


----------------------------------------------------------------------------
    From: Itamar Reis Peixoto [mailto:itamar at ispbrasil.com.br] 
    Sent: Monday, February 19, 2007 2:11 AM
    To: Amaral, Eduardo (UNID:2637); fedora-xen at redhat.com
    Subject: Re: [Fedora-xen] Problems with starting xen guest (DomU)


    mkinitrd -v -f --with=ext3 --with=xenblk /boot/initrd-2.6.19-1.2895.fc6xen-ext3.img  2.6.19-1.2895.fc6xen

    add a ramdisk line on your domU config

    ramdisk ="/boot/initrd-2.6.19-1.2895.fc6xen-ext3.img"


    --------------------

    Itamar Reis Peixoto

    e-mail: itamar at ispbrasil.com.br
    msn: itamarjp at starmedia.com
    skype: itamarjp 
    icq: 81053601
    +55 34 3238 3845
    +55 11 4063 5033
      ----- Original Message ----- 
      From: Eduardo Amaral 
      To: Itamar Reis Peixoto ; fedora-xen at redhat.com 
      Sent: Sunday, February 18, 2007 10:46 PM
      Subject: RE: [Fedora-xen] Problems with starting xen guest (DomU)






--------------------------------------------------------------------------
      From: Itamar Reis Peixoto [mailto:itamar at ispbrasil.com.br] 
      Sent: Sunday, February 18, 2007 10:29 PM
      To: Amaral, Eduardo (UNID:2637); fedora-xen at redhat.com
      Subject: Re: [Fedora-xen] Problems with starting xen guest (DomU)


      where are your domU config ?  /etc/xen

      See my DomU config

      Kernel ="/boot/vmlinuz-2.6.19-1.2895.fc6xen"
      memory= 128
      name="fedora.fc6"
      vif=[' ']
      disk=['file:/root/Desktop/m_virtual/fedora.fc6.img,hda1,w' , ' file:/root/Desktop/m_virtual/fedora.swap,hda2,w´]
      root="/dev/hda2 ro" 

      have you created a initrd form domU with xenblk module ?  No. How is it created ? Could you give me the commands ? 

      --------------------

      Itamar Reis Peixoto

      e-mail: itamar at ispbrasil.com.br
      msn: itamarjp at starmedia.com
      skype: itamarjp 
      icq: 81053601
      +55 34 3238 3845
      +55 11 4063 5033
        ----- Original Message ----- 
        From: Eduardo Amaral 
        To: fedora-xen at redhat.com 
        Sent: Sunday, February 18, 2007 10:14 PM
        Subject: [Fedora-xen] Problems with starting xen guest (DomU)


        Hello All, 

        My XEN guest was not starting. It stopped after " ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx "... 

        Do you know what is going on ? 

        Thanks, 
        Eduardo 



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