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Re: [Xen-users] CentOS 6.2 XEN 4.1.2 Serial console

  • To: "David Gonzalez" <dgonzalezh@xxxxxxxxx>, <Xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Likarpenkov Alexander" <al@xxxxxxxxxxxxxxx>
  • Date: Fri, 3 Feb 2012 16:33:18 +0200
  • Delivery-date: Fri, 03 Feb 2012 14:34:38 +0000
  • Fl-build: Fidolook 2002 (SL) 6.0.2800.94 - 5/4/2005 11:39:16
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

I do not know how much it will help the problem, I would have done the following way:
will become a cheap video card pci, and would use it, I actually do.
Alternatively use the KVM, or video card vivo or HP server iLo

DG> I'm more a reader than a poster on this list but Recently I installed
DG> CentOS 6.2 with myoung XEN Dom0 kernel and 4.1.2 hypervisor, at first
DG> everything went smooth, DomUs run like a charm and so on, but my serial
DG> console is gone for good tried dmesg | grep tty which spits out:

DG> uname -r
DG> 2.6.32-131.21.1.el6.xendom0.x86_64

dmesg |> grep tty

DG> console [tty0] enabled

DG> Weirdest thing when I remove the kernel /xen.gz ...... line from
DG> grub.conf it shows the port IO, IRQ and so on.

DG> my grub.conf reads

DG> title   XEN dom0
DG> root    (hd0,0)
DG> kernel  /xen.gz loglvl=all guest_loglvl=all dom0_max_vcpus=1
DG> dom0_vcpus_pin conswitch=g com1=115200,8n1 console=vga,com1
DG> dom0_mem=384M module  /vmlinuz-2.6.32-131.21.1.el6.xendom0.x86_64 ro
DG> root=/dev/mapper/xaero-root nomodeset rd_NO_LUKS LANG=en_US.UTF-8
DG> rd_LVM_LV=xaero/swap rd_LVM_LV=xaero/root  KEYBOARDTYPE=pc KEYTABLE=es
DG> rd_NO_MD quiet SYSFONT=latarcyrheb-sun16 rhgb crashkernel=auto rd_NO_DM
DG> module  /initramfs-2.6.32-131.21.1.el6.xendom0.x86_64.img

DG> As you see line is there, but when I run either minicom or screen
DG> /dev/ttyS0 115000 they error out. Is there something I'm missing out
DG> here

DG> I've gone through many many xen-list archives and google searches and
DG> can't find a solution for my issue.

DG> Your advise would be thanked for ever.

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