[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Grub does not load Xen
Andrey Chursin wrote: Hello I have installed XEN on CentOS using yum install xen But when in grub menu i choosing 'Centos with xen' it do not boot. I see next screen: http://img201.imageshack.us/my.php?image=xentroublerc9.jpg and then nothing occurs. After some time(~30 secs) system automatically reboot This is grub's menu.lst file: # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. console=ttyS0,57600 console=tty0 # root (hd0,0) # kernel /vmlinuz-version ro root=/dev/sda3 console=ttyS0,57600 console=tty0 # initrd /initrd-version.img #boot=/dev/sda serial --unit=0 --speed=57600 terminal --timeout=2 serial console default=1 timeout=5 hiddenmenu tittle CentOS (2.6.18-92.1.18.el5xen) root (hd0,0) kernel /xen.gz-2.6.18-92.1.18.el5 module /vmlinuz-2.6.18-92.1.18.el5xen ro root=LABEL=/ acpi=off noapic nodmraid console=ttyS0,57600 console=tty0 module /initrd-2.6.18-92.1.18.el5xen.img title CentOS (2.6.18-92.1.18.el5) root (hd0,0) kernel /vmlinuz-2.6.18-92.1.18.el5 ro root=LABEL=/ acpi=off noapic nodmraid console=ttyS0,57600 console=tty0 initrd /initrd-2.6.18-92.1.18.el5.img title CentOS (2.6.18-92.el5) root (hd0,0) kernel /vmlinuz-2.6.18-92.el5 ro root=LABEL=/ acpi=off noapic nodmraid console=ttyS0,57600 console=tty0 initrd /initrd-2.6.18-92.el5.img Choosing second option boot linux, but without xen. Choosing first option makes screen i provided above. Thank you for your attention. Just out of curiosity, does the machine still boot? Do you see console output on the vga/local console? From looking at the options, it appears that you are trying to use both a serial and vga consoles. I fought with doing a serial console and xen for a while. What I was able to figure out is that defining the console settings on the line for the xen kernel and then not doing any console settings on the linux kernel works. Here is an example from one of my xen boxes. title Xen 3.2-1-amd64 / Debian GNU/Linux, kernel 2.6.18-6-xen-amd64 serial root (hd0,0)kernel /boot/xen-3.2-1-amd64.gz dom0_mem=786432 console=com2,vga com2=115200,8n1 module /boot/vmlinuz-2.6.18-6-xen-amd64 root=/dev/hda1 ro pciback.permissive pciback.hide=(00:02.1) module /boot/initrd.img-2.6.18-6-xen-amd64This is for a Debian box and I also limit the size of the dom0 memory. But something similar should work for you on CentOS. The important parts for you would be the 'console=com2,vga com2=115200,8n1' and then no console definition on the linux kernel line. It looks like you are using com1 instead of com2 so change the settings to match what you want. Hope that helps. Mike _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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