xen January 2007

xen@lists.fedoraproject.org

57 participants
51 discussions

Using a FC6 Guest as Internet gateway, proxy etc
by Philip Rhoades 15 Jan '07

15 Jan '07

People, Now that I can create FC6 Guests running on FC6 quite happily I am thinking of using a very stripped down, minimal Guest as the Internet gateway, proxy etc for the host machine such that the Guest has the real IP address and the host machine is using a typical private IP address eg 192.168.0.10 - is anyone else doing this successfully? Thanks, Phil. -- Philip Rhoades Pricom Pty Limited (ACN 003 252 275 ABN 91 003 252 275) GPO Box 3411 Sydney NSW 2001 Australia Fax: +61:(0)2-8221-9599 E-mail: phil(a)pricom.com.au

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Xen vm install
by John Mizell 15 Jan '07

15 Jan '07

I am trying to install fedora 6 64 guest on top of a fedora 6 64 host with xen. I have tried using nfs and ftp. Both methods stall during the package install and never complete. Is there a work around for this or a fix on the way? John Mizell

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Re: [Fedora-xen] No success installing Windows XP in fully-virtualized domain
by Rodolfo Martinez 13 Jan '07

13 Jan '07

Hi Daniel, I found this workaround in the list archives... It worked for me. "I had this problem, too - the solution was re-installing WinXP, and, when the installer asks you to press 'F6' for addtional drivers, press 'F5' instead. Then select 'Standard PC ...'" https://www.redhat.com/archives/fedora-xen/2006-November/msg00158.html Regards, Rodolfo Martinez ----- Original Message ---- From: Daniel Tuijnman <daniel(a)velotype.nl> To: fedora-xen(a)redhat.com Sent: Friday, January 12, 2007 9:26:32 PM Subject: [Fedora-xen] No success installing Windows XP in fully-virtualized domain Hi, I tried installing Windows XP in a fully-virtualized guest domain, using Fedora Core 6, but had no success. The installation would never proceed beyond the reboot halfway in the install process; sometimes even abort earlier. I tried this both with virt-manager, and with hand-crafted config files, fiddling with all possible variations of acpi and apic settings. Using a successfully installed Windows domain appears to be no problem, though - even with both acpi and apic turned on. I managed to create a Windows XP domain with the free version of XenEnterprise without any problems. Is there anything special about the Xen implementation in this product? I ask, because it struck me when I tried to install Windows 2000 - which they say they don't support - all went fine, except that all dialog texts in the installation process were blacked out.. Using it is no option for me, because I want to use the machine both for various servers and as my desktop machine. (I also tried Debian Etch, but wasn't successful either...) Does anyone have suggestions what I could do: - to be able to give a more meaningful report what goes wrong? - to create other Windows domains in the future? The hardware I'm using: - AMD 64X2 5000+ - Asus M2N-SLI deluxe motherboard (nVidia nForce 5 chipset) I also upgraded the BIOS to the latest version, just to be sure. - 2 Gb RAM Greetings, Daniel -- Daniël Tuijnman phone: +31-24-377.7329 De Voorstenkamp 19-59 mobile: +31-6-4611.4589 NL-6545 GR Nijmegen fax: +31-24-373.3632 ======================================================================== There's an old story about the person who wished his computer were as easy to use as his telephone. That wish has come true, since I no longer know how to use my telephone. Bjarne Stroustrup ======================================================================== -- Fedora-xen mailing list Fedora-xen(a)redhat.com https://www.redhat.com/mailman/listinfo/fedora-xen ____________________________________________________________________________________ Now that's room service! Choose from over 150,000 hotels in 45,000 destinations on Yahoo! Travel to find your fit. http://farechase.yahoo.com/promo-generic-14795097

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No success installing Windows XP in fully-virtualized domain
by Daniel Tuijnman 13 Jan '07

13 Jan '07

Hi, I tried installing Windows XP in a fully-virtualized guest domain, using Fedora Core 6, but had no success. The installation would never proceed beyond the reboot halfway in the install process; sometimes even abort earlier. I tried this both with virt-manager, and with hand-crafted config files, fiddling with all possible variations of acpi and apic settings. Using a successfully installed Windows domain appears to be no problem, though - even with both acpi and apic turned on. I managed to create a Windows XP domain with the free version of XenEnterprise without any problems. Is there anything special about the Xen implementation in this product? I ask, because it struck me when I tried to install Windows 2000 - which they say they don't support - all went fine, except that all dialog texts in the installation process were blacked out.. Using it is no option for me, because I want to use the machine both for various servers and as my desktop machine. (I also tried Debian Etch, but wasn't successful either...) Does anyone have suggestions what I could do: - to be able to give a more meaningful report what goes wrong? - to create other Windows domains in the future? The hardware I'm using: - AMD 64X2 5000+ - Asus M2N-SLI deluxe motherboard (nVidia nForce 5 chipset) I also upgraded the BIOS to the latest version, just to be sure. - 2 Gb RAM Greetings, Daniel -- Daniël Tuijnman phone: +31-24-377.7329 De Voorstenkamp 19-59 mobile: +31-6-4611.4589 NL-6545 GR Nijmegen fax: +31-24-373.3632 ======================================================================== There's an old story about the person who wished his computer were as easy to use as his telephone. That wish has come true, since I no longer know how to use my telephone. Bjarne Stroustrup ========================================================================

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R: [Fedora-xen] Network Problem after todays update
by Cecere, Antonio (EXT) 12 Jan '07

12 Jan '07

Hi Sven, I should also update the kernel, but I'm waiting for the 2.6.20 that should be released in no time. I have 4 domains in 2.6.18-1.2798.fc6xen and xen-3.0.3, and they ping between them but I can't open an ftp transfer, though I can ping to the outside. Try to make a traceroute<IP> and see what ride they make. Let me know... Antonio antonio.cecere.ext(a)siemens.com ____________________________________________________________ -----Messaggio originale----- Da: fedora-xen-bounces(a)redhat.com [mailto:fedora-xen-bounces@redhat.com] Per conto di Sven Oehme Inviato: venerdì 12 gennaio 2007 14.20 A: fedora-xen(a)redhat.com Oggetto: Re: [Fedora-xen] Network Problem after todays update sorry, there was a small typo in my mail, i upgraded from kernel-xen-2.6.18-1.2868.fc6 to kernel-xen-2.6.19-1.2895.fc6 not from -1.2869 .. btw. going back to kernel .2868 fixes it, so there must be a bug added between .2868 and .2895 i will test with .2869 later today .. Sven ______________________________________________________ Hi , i did an update today from kernel-xen-2.6.18-1.2869.fc6 to kernel-xen-2.6.19-1.2895.fc6 and from xen-3.0.3-1.fc6 to xen-3.0.3-3.fc6 . the upgrade itself went fine, and all on dom_0 works as expected. But i have now trouble with my guetsts Network. All guests are connecting to the outside world over NAT. i can ssh between all guests as well as between dom_0 and all guests. i can ping each box outside the dom_0 (my dns server for insteance) but i can't ssh or ftp to any box outside my internal dom_0 network, it always timed out. looking at a tcp dump it marks the frames i send from the guests as Checksum Errors. any ideas ? should i open a bugzilla entry for this ? Sven-- Fedora-xen mailing list Fedora-xen(a)redhat.com https://www.redhat.com/mailman/listinfo/fedora-xen

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Simple testing results for Xen and VMX on FC5-test2.
by You, Yongkang 12 Jan '07

12 Jan '07

Hi all, I have done a simple checking for Xen and VMX on FC5-test2. Basically, I can create VMX on FC5-test2 IA32. But FC5-test2 IA32e (x86-64) doesn't provide Xen and Xen0 kernel, so didn't do Xen and VMX testing for it. Beside of testing Xen and VMX, I also found some issues about installation, which I have updated the bug #179078 as a NB. The following is the testing results only for Xen and VMX. ========================= 1. *** IA32E hasn't RPMS about Xen hypervisor and Xen0/XenU kernels. __FAIL__ 2. *** In order to boot up IA32 Xen0, I have to add pci=noacpi as the boot parameters of Xen0 kernel, or system will hang when initial PCI. I don't know if it is only related to my Machine. __FAIL__ 3. After install IA32 Xen RPMs, I can see /boot/grub/grub.conf has been changed with Xen kernels. __PASS__ 4. *** /usr/lib/xen/boot/vmxloader isn't in the RPM package, so VMX Guest couldn't be created. I suspected build system hasn't bcc, it is from DEV86 package. __FAIL__ 5. After copy a useable vmxloader to the destination, IA32 VMX Guest can be created successfully! __PASS__ 6. VMX has good network connection and Xwindows started. __PASS__ 7. XenU can be created and works well. __PASS__ 8. Couldn't get Xen Changeset by "xm info" or "xm dmesg". 9. The new kernel names of Xen/Xen0/XenU seemed a little confused. E.g. the Xen0 name is like vmlinuz-2.6.15-1.29_FC5hypervisor. I thought hypervisor is for Xen.gz. Xen0 is the Service OS. ========================== Any comments please let me know. But I will have 8 days holiday from tomorrow, so emails reply might be slow and occasional. [FYI] We are planning to do more testing for FC5-test3. Best Regards, Yongkang (Kangkang) 永康

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Save&Restore VMs
by Cecere, Antonio (EXT) 12 Jan '07

12 Jan '07

Hi fedora-list, >From the terminal I have created a VM, four VM on FC6Xen, because the virt-manager [0.2.6] has a nice graphic, but the programme it's not complete. [root@localhost ~]# xm list Name ID Mem(MiB) VCPUs State Time(s) Domain-0 0 418 4 r----- 10529.6 test01 13 256 1 -b---- 365.2 test02 3 256 1 -b---- 423.6 test03 11 512 2 ------ 379.8 test04 15 256 1 -b---- 348.3 The VMs run perfectly but when I try to save them whith # xm save Dom1 Dom1.chk an error is given on the /usr/lib/xen/bin/xc_save. Restoring the VMs is impossible. [root@localhost ~]# xm save test03 test03.chk Error: /usr/lib/xen/bin/xc_save 21 11 0 0 0 failed Usage: xm save <Domain> <CheckpointFile> Save a domain state to restore later. Do you have any idea??? Thi is my conf on a Intel i686: [root@localhost ~]# xm info host : localhost.localdomain release : 2.6.18-1.2798.fc6xen version : #1 SMP Mon Oct 16 15:11:19 EDT 2006 machine : i686 nr_cpus : 4 nr_nodes : 1 sockets_per_node : 2 cores_per_socket : 2 threads_per_core : 1 cpu_mhz : 1666 hw_caps : bfebfbff:00100000:00000000:00000140:0000c1a9 total_memory : 2047 free_memory : 258 xen_major : 3 xen_minor : 0 xen_extra : .3-rc3-1.2798.f xen_caps : xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p xen_pagesize : 4096 platform_params : virt_start=0xf5800000 xen_changeset : unavailable cc_compiler : gcc version 4.1.1 20061011 (Red Hat 4.1.1-30) cc_compile_by : brewbuilder cc_compile_domain : build.redhat.com cc_compile_date : Mon Oct 16 14:34:31 EDT 2006 xend_config_format : 2 Regards, Antonio Cecere <mailto:antonio.cecere.ext@siemens.com>

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Installing Xen in a low memory environment
by Formoso, Travis 11 Jan '07

11 Jan '07

Hi guys, I am trying to set up Xen with a machine that has only 256 MB. I set up a NFS share and it does go to the install part, however it stops usually between 10-20% of the install. I was wondering if I could do anything to set this up with such low memory. Thanks This e-mail and any files transmitted with it are for the sole use of Blue Slate Solutions and the intended recipient(s) and may contain confidential and privileged information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. Any unauthorized review, use, disclosure, dissemination, forwarding, printing or copying of this email or any action taken in reliance on this e-mail is strictly prohibited and may be unlawful.

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Re: many many error messages in kernel log : 4gb seg fixup, process acroread
by Kenneth Tanzer 11 Jan '07

11 Jan '07

Thanks for the suggestions. I ended up rebooting into the non-xen kernel (2.6.18-1.2869), and these messages disappeared. Ken David Timms wrote: > Ken Tanzer wrote: >> John Q. reported this problem on 12/31, with no reply. We are seeing >> the same problem in our logs. Does anyone have an idea how to solve >> it, or even some suggestions for troubleshooting or investigating? >> Thanks in advance. >> >> Ken >> >>> Hello fedora-list, >>> >>> I have fedora FC6 on i386 machine with latest acroread. (7.0.8). >>> When starting acroerad and all the time it is opened I see many >>> many error messages in the kernel log: >>> >>> ... >>> Dec 31 12:27:47 rr kernel: printk: 7133 messages suppressed. >>> Dec 31 12:27:47 rr kernel: 4gb seg fixup, process acroread (pid >>> 14328), cs:ip 73:00d719f7 >>> Dec 31 12:27:52 rr kernel: printk: 2743 messages suppressed. >>> Dec 31 12:27:52 rr kernel: 4gb seg fixup, process acroread (pid >>> 14328), cs:ip 73:00d719f7 >>> >>> .... >>> This messages appear each second , which means thousands messages in a >>> second. >>> >>> At the second I close the app, these messages stop. >>> Any idea why ? > Maybe ps aux|grep acro and post that. > Are you displaying pdf file at the time you are seeing the message ? > This could be just with the firefox plugin as well ? > If you tail -f /var/log/messages and start/stop acrobat, do the > messages start / stop ? > > If you use the fc6 Evince 0.6.0 to view a pdf does the message continue ? > It seems to be a bug in the upstream acroread itself, and if so it > might be worth searching adobe's web site for faq/forums/bugzilla's, > and posting your experiences there. > > DaveT. >

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Encrypted virtual machines on Fedora Core 6
by Chris Croome 09 Jan '07

09 Jan '07

Hi If anyone ever wants to create virtual machines on an encrypted hard disk then the notes here might help: http://wiki.xensource.com/xenwiki/EncryptedPartitions Chris -- Chris Croome <chris(a)webarchitects.co.uk> web design http://www.webarchitects.co.uk/ web content management http://mkdoc.com/

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xen January 2007