| --- | Log | opened Mon Oct 11 00:00:42 2010 |
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| 04:32 | <Charly> | ehlo ! |
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| 05:55 | <xmerlin> | does anyone experienced a "not enough MMIO resources for SR-IOV" using SR-IOV on igb driver ? |
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| 12:32 | <Cheese> | help |
| 12:32 | <Cheese> | :D |
| 12:32 | <Cheese> | Im trying to install xen and I get a kernel panic on my first vm |
| 12:32 | <Cheese> | it installed, but there was no config yet |
| 12:33 | <Cheese> | name = "vm01" |
| 12:33 | <Cheese> | memory = 1024 |
| 12:33 | <Cheese> | disk = ['tap:aio:/home/vm/vm.img,xvda,w'] |
| 12:33 | <Cheese> | kernel = "/boot/vmlinuz-2.6.18-194.17.1.el5xen" |
| 12:33 | <Cheese> | is my config |
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| 12:42 | <Cheese> | could not mount filesystem |
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| 12:46 | <Cheese> | please could anyone help me out? |
| 12:49 | <xmerlin> | Cheese, could you post your kernel panic? ....you can use pastebin.com |
| 12:49 | <Cheese> | hey! |
| 12:50 | <Cheese> | http://pastebin.com/2qs8femL |
| 12:51 | <xmerlin> | you need also an initrd |
| 12:51 | <Cheese> | i tried to make an initrd |
| 12:52 | <Cheese> | I used: mkinitrd /boot/initrd-2.6.18-194.17.1.el5-vm1.img 2.6.18-194.17.1.el5xen |
| 12:52 | <Cheese> | my config is: http://pastebin.com/S8f3fEcg |
| 12:53 | <xmerlin> | how you have created your root filesystem? |
| 12:54 | <Cheese> | in the vm? |
| 12:54 | <xmerlin> | yes |
| 12:54 | <Cheese> | ehm, partitioning you mean? |
| 12:54 | <xmerlin> | installation I mean |
| 12:55 | <Cheese> | using virt-create |
| 12:56 | <Cheese> | I mean |
| 12:56 | <Cheese> | virt-install |
| 12:56 | <Cheese> | and then used xm console |
| 12:56 | <Cheese> | made regular installation |
| 12:56 | <Cheese> | then it rebooted, and got lost |
| 12:56 | <Cheese> | then I required a cfg to start, so I made this |
| 12:57 | <xmerlin> | mmm I don't use virt-* so I cannot say anything about it |
| 12:57 | <xmerlin> | but you can use this howto http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU |
| 12:57 | <Cheese> | it prompts the questions |
| 12:58 | <xmerlin> | using the configuration in "Preparing a Xen configuration file for the installation" and "Post-install configuration" after reboot ...it should work without problems |
| 12:59 | <xmerlin> | the example uses the "bootloader" pygrub |
| 13:00 | <Cheese> | are you referring to http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU ? |
| 13:00 | <xmerlin> | yes |
| 13:00 | <Cheese> | I cant still use my img I made with virt-install? |
| 13:01 | <Cheese> | can |
| 13:01 | <xmerlin> | probably it will work |
| 13:01 | <Cheese> | ok I will try this |
| 13:01 | <Cheese> | thnx! |
| 13:01 | <xmerlin> | it depends mainly if you have a kernel-xen and a bootloader in your image |
| 13:02 | <Cheese> | I have a bootloader in my image, dont know about the kernel |
| 13:02 | <xmerlin> | if you have not the right kernel you can mount the partition, make a chroot and then add the missing kernel |
| 13:03 | <Cheese> | the guest os is using the os of the host right? |
| 13:03 | <Cheese> | its paravirtualisation |
| 13:03 | <xmerlin> | no |
| 13:04 | <xmerlin> | you can use a different distro and also 32 bit on 64 bit like a domU |
| 13:04 | <Cheese> | even with paravirtualisation? |
| 13:05 | <xmerlin> | yes |
| 13:06 | <xmerlin> | a pv kernel is like a standard kernel but it know that it's virtualized |
| 13:07 | <xmerlin> | on virtuozzo the VM kernel is the host kernel ...it's only a chroot with steroids ;) |
| 13:07 | <Cheese> | :D |
| 13:07 | <xmerlin> | on xen you have a real separation |
| 13:08 | <xmerlin> | on xen you can use also HVM with emulated net/disk and so on ....or HVM + PV drivers |
| 13:11 | <Cheese> | Im new to xen :) |
| 13:12 | <Cheese> | the virt-install program didnt create the config as it should :( |
| 13:12 | <Cheese> | thats the problem |
| 13:13 | <Cheese> | could adding bootloader="/usr/bin/pygrub" be a solution to my problem? |
| 13:15 | <xmerlin> | it could be but you have to remove kernel and ramdisk |
| 13:15 | <Cheese> | why? |
| 13:15 | <xmerlin> | pygrub call the bootloader in your image |
| 13:16 | <Cheese> | lol then that must be the solution lol |
| 13:16 | <Cheese> | fuck |
| 13:16 | <xmerlin> | and then the bootload call the kernel/initrd inside your image |
| 13:16 | <Cheese> | is that a bad way to start a vm? |
| 13:16 | <xmerlin> | no |
| 13:17 | <xmerlin> | so when you update the kernel inside your distro ...it's available after a simple reboot |
| 13:17 | <xmerlin> | like a real machine |
| 13:18 | <Cheese> | now it says that pygrub could not find the config file in the image |
| 13:20 | <Cheese> | xmerlin, can you tell me why that is? |
| 13:20 | <Cheese> | I did similar to this: http://www.howtoforge.com/centos_5.0_xen |
| 13:21 | <Cheese> | exept that the virt-install didnt create a /etc/xen/vm01.cfg |
| 13:23 | <Cheese> | On the image, I chose to have a grub bootloader with mbc |
| 13:23 | <Cheese> | MBR |
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| 13:30 | <Cheese> | xmerlin |
| 13:30 | <Cheese> | I dont know anymore :p |
| 13:54 | <Cheese> | nothing works anymore :S |
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| --- | Log | closed Tue Oct 12 00:00:42 2010 |
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