xen April 2007

xen@lists.fedoraproject.org

68 participants
65 discussions

cannot boot into xen kernel
by Yuming Fei 22 Apr '07

22 Apr '07

Hi, everyone, After installing xen, I cannot boot into the xen kernel. This is on Insprion 4100 laptop, running Fedora core 6. Any helps on how to boot into Xen kernel would be appreciated. # uname -r 2.6.18-1.2798.fc6 The /boot/grub/grub.conf file is like this: default=1 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Fedora Core (2.6.20-1.2944.fc6xen) root (hd0,0) kernel /xen.gz-2.6.20-1.2944.fc6 module /vmlinuz-2.6.20-1.2944.fc6xen ro root=/dev/VolGroup00/LogVol00 rhgb quiet module /initrd-2.6.20-1.2944.fc6xen.img title Fedora Core (2.6.18-1.2798.fc6) root (hd0,0) kernel /vmlinuz-2.6.18-1.2798.fc6 ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.18-1.2798.fc6.img Mike --------------------------------- Ahhh...imagining that irresistible "new car" smell? Check outnew cars at Yahoo! Autos.

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Re: [Fedora-xen] fc5 domU on rhel5 dom0
by Paul Wouters 22 Apr '07

22 Apr '07

On Sat, 21 Apr 2007, Robert Story wrote: > PW> > I update my domUs by running rpm (actually yum) in the domU. Works > PW> > fine for me. > PW> > PW> That only works for "xen aware" OS'es. It won't work to run FC/RHEL 3/4. > > It doesn't seem to be working for me with fc5 either... It just so happened That might be a PAE vs non-PAE kernels? I don't know because I don't run FC5 kernels in xenu's on FC6 (but FC6 xenus to make sure they match up) Paul

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fc5 domU on rhel5 dom0
by Robert Story 22 Apr '07

22 Apr '07

Hi, Anyone got any tips on getting a fc5 domU to load on a rhel dom0? I've been struggling with it all morning. I'm stuck at: --- config --- memory = "1024" disk = [ 'phy:/dev/x/aaa,xvda,w' ] vif = [ 'mac=00:aa:bb:cc:dd:ee' ] uuid = "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee" bootloader="/usr/bin/pygrub" --- end --- --- domU grub --- title Fedora Core (2.6.20-1.2307.fc5xen) root (hd0,0) kernel /vmlinuz-2.6.20-1.2307.fc5xen ro root=/dev/gui/r rhgb quiet initrd /initrd-2.6.20-1.2307.fc5xen-blk.img --- end --- (Original domU was using fc5xenU kernel/initrd, but google told me I needed this PAE kernel. It fixed the PAE errors I was getting in xend-debug initially.) --- stdout --- Going to boot Fedora Core (2.6.20-1.2307.fc5xen) kernel: /vmlinuz-2.6.20-1.2307.fc5xen initrd: /initrd-2.6.20-1.2307.fc5xen-rs.img Started domain gui PCI: Fatal: No config space access function found rtc: IRQ 8 is not free. PCI: Fatal: No config space access function found rtc: IRQ 8 is not free. i8042.c: No controller found. Red Hat nash version 5.0.32 starting mount: could not find filesystem '/dev/root' setuproot: moving /dev failed: No such file or directory setuproot: error mounting /proc: No such file or directory setuproot: error mounting /sys: No such file or directory switchroot: mount failed: No such file or directory Kernel panic - not syncing: Attempted to kill init! --- end --- --- xend-debug.log --- DEBUG (blkif:24) exception looking up device number for xvda: [Errno 2] No such file or directory: '/dev/xvda' --- end --- Based on some googling, I made a custom initrd image with '--with xenblk --preload xenblk', but it didn't help any.. Any hints greatly appreciated...

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Xen on x86_64
by Prabhakar Chaganti 20 Apr '07

20 Apr '07

All, I am having an issue with running xen on Fedora Core6 - x86_64. Installed the latest versions of kernel-xen, xen and xen-devel packages using yum.Whenxend tries to startup, it is printing this traceback: Traceback (most recent call last): File "/usr/sbin/xend", line 49, in ? from xen.xend.server import SrvDaemon File "/usr/lib64/python2.4/site-packages/xen/xend/server/SrvDaemon.py", line 17, in ? import xen.lowlevel.xc ImportError: libxenctrl.so.3.0: cannot open shared object file: No such file or directory That lib is on my ldpath. ldconfig -p | grep -i xen shows: libxenstore.so.3.0 (libc6) => /usr/lib/libxenstore.so.3.0 libxenstore.so (libc6) => /usr/lib/libxenstore.so libxenguest.so.3.0 (libc6) => /usr/lib/libxenguest.so.3.0 libxenguest.so (libc6) => /usr/lib/libxenguest.so libxenctrl.so.3.0 (libc6) => /usr/lib/libxenctrl.so.3.0 libxenctrl.so (libc6) => /usr/lib/libxenctrl.so Any one know what's happening here? Any pointers greatly appreciated. thanks prabhakar

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bug on kernel-xen-2.6.20-2925.5.fc7
by itamar 20 Apr '07

20 Apr '07

[root@serv ~]# rpm -qa |grep xen xen-3.0.4-9.fc7 xen-libs-3.0.4-9.fc7 kernel-xen-2.6.20-2925.5.fc7 -------------------------------------------------------------- sda: Write Protect is off SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA sda: sda1 sda2 sd 0:0:0:0: Attached scsi disk sda scsi 1:0:0:0: Direct-Access ATA HDS722540VLAT20 V31O PQ: 0 ANSI: 5 SCSI device sdb: 80418240 512-byte hdwr sectors (41174 MB) sdb: Write Protect is off SCSI device sdb: write cache: enabled, read cache: enabled, doesn't support DPO or FUA SCSI device sdb: 80418240 512-byte hdwr sectors (41174 MB) sdb: Write Protect is off SCSI device sdb: write cache: enabled, read cache: enabled, doesn't support DPO or FUA sdb: sdb1 sdb2 sdb3 sd 1:0:0:0: Attached scsi disk sdb BUG: at kernel/lockdep.c:1858 trace_hardirqs_on() [<c1005d9a>] show_trace_log_lvl+0x1a/0x2f [<c1006343>] show_trace+0x12/0x14 [<c10063be>] dump_stack+0x16/0x18 [<c1037439>] trace_hardirqs_on+0xc4/0x143 [<c10055d4>] restore_all+0x3b/0x3e ======================= Kernel panic - not syncing: Attempted to kill init! -------------------- Itamar Reis Peixoto e-mail: itamar(a)ispbrasil.com.br msn: itamarjp(a)starmedia.com skype: itamarjp icq: 81053601 +55 34 3238 3845 +55 11 4063 5033

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offtopic - where are fc7 bugzilla ?
by itamar 20 Apr '07

20 Apr '07

where are a bugzilla for fc7 ? -------------------- Itamar Reis Peixoto e-mail: itamar(a)ispbrasil.com.br msn: itamarjp(a)starmedia.com skype: itamarjp icq: 81053601 +55 34 3238 3845 +55 11 4063 5033

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Xen w/ Matrox Parhelia - cpu_callout_map
by Vann Walke 19 Apr '07

19 Apr '07

I've been attempting to use my machine with a Matrox Parhelia card with the Fedora Core 6 Xen kernel. The Matrox card requires a kernel module. The module builds without error, but fails to load due to an unknown symbol, "cpu_callout_map". I submitted this issue to the Unofficial Matrox Technical Support Forum, but haven't been able to resolve anything yet: http://matrox.tuxx-home.at/viewtopic.php?t=185 I've also submitted this question to the xen-users mailing list who asked that I try here (the fedora-xen list) first. Any thoughts on how to resolve this problem? How would I find out what the function of cpu_callout_map is and why it is being compiled into the mtx module? Any idea if this is a general Xen issue or is it FC6 specific? Many thanks for your help, Vann

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kernel-xen-2.6.20-1.2944.fc6
by Mauricio Pretto 18 Apr '07

18 Apr '07

Hey there, Im trying to get xen working in my laptop, an Acer Aspire 5610, but im having few problems, like: After booting the kernel with xen enabled the Xorg doesnt start properly. The kernel doesnt detect my b44 ethernet controler. Attached goes a few logs. Thanks! -- Mauricio Pretto e-mail:hash@fedoraproject.org Brazilian Fedora Ambassador http://fedoraproject.org/wiki/MauricioPretto

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virtual machine installation Questions
by Songtao Liu 18 Apr '07

18 Apr '07

hello, Now I am working on fedora6Xen,i.e. 2.6.20-1.2944.fc6xen .Several questions: 1. After I have installed the windowsXP, the XP OS of course needs to reboot, but then the WindowsXP is automatically closed. How can I restart it? And I use #virsh start , the domain will be running, but when I open it, just a black screen on the VM manager. 2. I also want to install the same Fedora6 on VM, but the installation will always hang. The fedora6 image on DVD must be OK as I have already installed it. 3. I must often boot the computer several times before I can see the login of Fedora OS. It changes often into a black screen state, dead. 4. I can not use #xm list, it says command not found. Any help or hint will be great!!! Thanks. Songtao

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Convert VMware to XEN
by David Fischer (DHL US) 16 Apr '07

16 Apr '07

All, Is there a quick way to convert a VMware image to Xen compatible? Thanks. -- David R. Fischer Sr Systems Support Engineer DHL Information Services (Americas) 8701 East Hartford Drive Scottsdale, Arizona 85255 USA Contact: +1.480.375.6428 Cell: +1.480.226.3779

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xen April 2007