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[Xen-users] Using serial port from a domU
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-users] Using serial port from a domU |
| From: | Federico Fanton <fake@xxxxxxxxxxxx> |
| Date: | Fri, 17 Oct 2008 18:36:16 +0200 |
| Delivery-date: | Fri, 17 Oct 2008 09:45:47 -0700 |
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Hi everyone!I just wanted to share all the bits of information I needed while trying to get a serial modem to work under a Xen guest :) I found other howtos but every one was missing something. So, my setup consists of dom0 and domU with CentOS 5.2, kernel 2.6.18-92.1.10.el5xen and Xen 3.2.1 To get /dev/ttyS0 to work under domU: - Tell Xen to use something else for its console:in /boot/grub/menu.lst, add "console=xvc0 xencons=xvc0" to the kernel parameters (maybe just xencons is needed) - Tell Xen to "show" IRQ/port to the domU: in domU's .cfg add addirq = [ 4 ] ioports = [ "3f8-3ff" ] - Tell the domU to autoload the serial module: create in /etc/sysconfig/modules an executable script containing modprobe 8250 Bye! _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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