On web many places I came across xend status is corrupted in such
cases and corrupt xml files in /var/lib/xend/
directories are the reason
I also got error message Hotplug scripts not working.So I removed them
and kept them back check the files in the directory above I mentioned
if any one of them is blank then it is corrupt.Do not delete move them
to some other places in a directory reboot/restart see if the error
persists.
You will have to see which is corrupt file.Though it may not help
directly but I had same problem and this was what worked for me.
On Fri, May 28, 2010 at 8:31 PM, Helmut Wieser <helmut.wieser@xxxxxxxx> wrote:
> Here's what I found out: a reboot of the dom0 seems to fix things.
> I am able to start up the domU, and it works fine. Until I shut it down
> once, that is.
>
>
>
> On 28.05.2010 13:06, Helmut Wieser wrote:
>>
>> Hi All,
>>
>> I'm having a similar issue as Ian Tobin some weeks ago here:
>> http://lists.xensource.com/archives/html/xen-users/2010-02/msg00645.html
>>
>> I'm using Debian Squeeze amd64, downloaded the experimental debian
>> xen-amd64 kernel with pv_ops support.
>> linux-headers-2.6.32-5-common-xen_2.6.32-13_amd64.deb
>> linux-headers-2.6.32-5-xen-amd64_2.6.32-13_amd64.deb
>> linux-image-2.6.32-5-xen-amd64_2.6.32-13_amd64.deb
>> linux-kbuild-2.6.32_2.6.32-1_amd64.deb
>> xen-linux-system-2.6.32-5-xen-amd64_2.6.32-13_amd64.deb
>>
>> I downloaded and compiled Xen 4.0 as specified here:
>> http://wiki.xensource.com/xenwiki/Xen4.0
>> I used the command
>> hg clone -r RELEASE-4.0.0 http://xenbits.xen.org/xen-4.0-testing.hg
>> to check out the sources. Compile and install went without a hitch.
>>
>> Since debian squeeze uses grub2 it took me a while to find a working
>> config.
>> This is my 40_custom for grub2:
>> menuentry "Xen 4.0.0 / Squeeze Kernel 2.6.32-3-amd64 pvops" --class debian
>> --class gnu-linux --class gnu --class os {
>> recordfail=1
>> if [ -n ${have_grubenv} ]; then save_env recordfail; fi
>> set quiet=1
>> insmod ext2
>> insmod ext4
>> set root='(hd1,1)'
>> search --no-floppy --fs-uuid --set
>> 91ab2378-76a4-4ab6-9065-078307ce8268
>> multiboot /boot/xen-4.0.0.gz dummy=dummy dom0_mem=512M
>> module /boot/vmlinuz-2.6.32-5-xen-amd64 dummy=dummy
>> root=UUID=91ab2378-76a4-4ab6-9065-078307ce8268 ro quiet
>> module /boot/initrd.img-2.6.32-5-xen-amd64
>> }
>>
>> If I use "xm create /path/to/config.cfg" the machine is paused, and after
>> 100 seconds I get "Error: Device 0 (vif) could not be connected. Hotplug
>> scripts not working".
>> I run udevd version 154, uuid is installed.
>>
>> When I start "udevadm monitor" while the xm create command runs, this is
>> the output:
>> monitor will print the received events for:
>> UDEV - the event which udev sends out after rule processing
>> KERNEL - the kernel uevent
>>
>> KERNEL[1275038753.413971] add /devices/virtual/net/tap19.0 (net)
>> UDEV [1275038753.419757] add /devices/virtual/net/tap19.0 (net)
>> KERNEL[1275038854.255484] remove /devices/virtual/net/tap19.0 (net)
>> UDEV [1275038854.259336] remove /devices/virtual/net/tap19.0 (net)
>>
>> This is my virtual machine config:
>> import os, re
>> arch = os.uname()[4]
>> if re.search('64', arch):
>> arch_libdir = 'lib64'
>> else:
>> arch_libdir = 'lib'
>>
>> kernel = "/usr/lib/xen/boot/hvmloader"
>> builder='hvm'
>> memory=2048
>> shadow_memory = 8
>> name = "xenwin7"
>> vif = [ ' bridge=eth0, mac=00:16:3e:00:12:34' ]
>> acpi = 1
>> apic = 1
>> disk = [ 'file:/home/hwieser/xen/domains/win01/disk.img,hda,w',
>> 'file:/home/hwieser/xen/domains/windows7_ultimate.iso,hdc:cdrom,r' ]
>> device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
>> boot="dc"
>> sdl = 0
>> vnc = 1
>> vncconsole = 1
>> vncpasswd = ''
>> serial = 'pty'
>> usbdevice = 'tablet'
>>
>>
>> First I thought the issue was because the netbk module is missing, but
>> it's compiled in the kernel.
>> Here are the relevant parts of the .config:
>> # fgrep -i xen /boot/config-2.6.32-5-xen-amd64
>> CONFIG_XEN=y
>> CONFIG_XEN_MAX_DOMAIN_MEMORY=32
>> CONFIG_XEN_SAVE_RESTORE=y
>> # CONFIG_XEN_DEBUG_FS is not set
>> CONFIG_SWIOTLB_XEN=y
>> CONFIG_MICROCODE_XEN=y
>> CONFIG_XEN_DOM0=y
>> CONFIG_XEN_PRIVILEGED_GUEST=y
>> CONFIG_XEN_DOM0_PCI=y
>> # CONFIG_XEN_PCI_PASSTHROUGH is not set
>> CONFIG_PCI_XEN=y
>> CONFIG_XEN_PCIDEV_FRONTEND=y
>> CONFIG_XEN_BLKDEV_FRONTEND=m
>> CONFIG_NETXEN_NIC=m
>> CONFIG_XEN_NETDEV_FRONTEND=m
>> CONFIG_XEN_KBDDEV_FRONTEND=y
>> CONFIG_HVC_XEN=y
>> CONFIG_XEN_FBDEV_FRONTEND=y
>> CONFIG_XEN_BALLOON=y
>> CONFIG_XEN_SCRUB_PAGES=y
>> CONFIG_XEN_DEV_EVTCHN=m
>> CONFIG_XEN_BACKEND=y
>> CONFIG_XEN_NETDEV_BACKEND=y
>> CONFIG_XEN_BLKDEV_BACKEND=y
>> CONFIG_XEN_BLKDEV_TAP=m
>> CONFIG_XEN_BLKBACK_PAGEMAP=y
>> CONFIG_XEN_PCIDEV_BACKEND=y
>> CONFIG_XEN_PCIDEV_BACKEND_VPCI=y
>> # CONFIG_XEN_PCIDEV_BACKEND_PASS is not set
>> # CONFIG_XEN_PCIDEV_BACKEND_SLOT is not set
>> # CONFIG_XEN_PCIDEV_BACKEND_CONTROLLER is not set
>> # CONFIG_XEN_PCIDEV_BE_DEBUG is not set
>> CONFIG_XENFS=m
>> CONFIG_XEN_COMPAT_XENFS=y
>> CONFIG_XEN_SYS_HYPERVISOR=y
>> # CONFIG_XEN_PLATFORM_PCI is not set
>> CONFIG_XEN_MCE=y
>> CONFIG_XEN_XENBUS_FRONTEND=y
>> CONFIG_XEN_GNTDEV=y
>> CONFIG_XEN_S3=y
>> CONFIG_ACPI_PROCESSOR_XEN=m
>>
>>
>> This is my lsmod output:
>> Module Size Used by
>> virtio_net 10529 0
>> netxen_nic 72759 0
>> nls_utf8 1208 0
>> ufs 56490 0
>> qnx4 6194 0
>> hfsplus 65286 0
>> hfs 37471 0
>> minix 21213 0
>> ntfs 162876 0
>> vfat 7900 0
>> msdos 6202 0
>> fat 40054 2 vfat,msdos
>> jfs 140163 0
>> xfs 437053 0
>> exportfs 3170 1 xfs
>> reiserfs 194188 0
>> ext4 285355 0
>> jbd2 66951 1 ext4
>> crc16 1319 1 ext4
>> ext2 52985 0
>> blktap 28086 0
>> virtio_blk 4225 0
>> virtio 3309 2 virtio_net,virtio_blk
>> pci_hotplug 21203 0
>> nf_conntrack_ipv4 9833 1
>> nf_defrag_ipv4 1139 1 nf_conntrack_ipv4
>> xt_state 1303 1
>> nf_conntrack 46567 2 nf_conntrack_ipv4,xt_state
>> tun 10828 0
>> xt_physdev 1508 2
>> iptable_filter 2258 1
>> ip_tables 13899 1 iptable_filter
>> x_tables 12845 3 xt_state,xt_physdev,ip_tables
>> xen_evtchn 4259 1
>> bridge 39614 0
>> stp 1440 1 bridge
>> xenfs 9568 1
>> xen_blkfront 8774 0
>> xen_netfront 15212 0
>> loop 11783 0
>> firewire_sbp2 11498 0
>> snd_hda_codec_realtek 235506 1
>> snd_hda_intel 19875 0
>> snd_hda_codec 54244 2 snd_hda_codec_realtek,snd_hda_intel
>> snd_hwdep 5380 1 snd_hda_codec
>> snd_pcm 60535 2 snd_hda_intel,snd_hda_codec
>> snd_timer 15582 1 snd_pcm
>> nouveau 353136 1
>> ttm 40066 1 nouveau
>> drm_kms_helper 20065 1 nouveau
>> drm 143585 3 nouveau,ttm,drm_kms_helper
>> snd 46446 6
>> snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
>> i2c_algo_bit 4225 1 nouveau
>> soundcore 4598 1 snd
>> i2c_core 15712 4 nouveau,drm_kms_helper,drm,i2c_algo_bit
>> snd_page_alloc 6249 2 snd_hda_intel,snd_pcm
>> usbhid 33260 0
>> processor 36077 0
>> tpm_tis 7336 0
>> evdev 7352 3
>> tpm 9917 1 tpm_tis
>> button 4650 1 nouveau
>> hid 62841 1 usbhid
>> tpm_bios 4521 1 tpm
>> psmouse 49777 0
>> pcspkr 1699 0
>> wmi 4323 0
>> serio_raw 3752 0
>> acpi_processor 5087 1 processor,[permanent]
>> ext3 106550 1
>> jbd 37101 1 ext3
>> mbcache 5050 3 ext4,ext2,ext3
>> usb_storage 39449 0
>> sg 18760 0
>> sr_mod 12602 0
>> sd_mod 29777 3
>> cdrom 29415 1 sr_mod
>> crc_t10dif 1276 1 sd_mod
>> firewire_ohci 19468 0
>> firewire_core 36752 2 firewire_sbp2,firewire_ohci
>> crc_itu_t 1307 1 firewire_core
>> uhci_hcd 18537 0
>> ahci 32358 2
>> tg3 95679 0
>> libphy 14054 1 tg3
>> libata 133536 1 ahci
>> scsi_mod 122133 6
>> firewire_sbp2,usb_storage,sg,sr_mod,sd_mod,libata
>> ehci_hcd 31071 0
>> usbcore 121991 5 usbhid,usb_storage,uhci_hcd,ehci_hcd
>> nls_base 6377 8
>> nls_utf8,hfsplus,hfs,ntfs,vfat,fat,jfs,usbcore
>> floppy 49087 0
>> thermal 11674 0
>> thermal_sys 11942 2 processor,thermal
>>
>> And uname -a gives:
>> Linux jeatxenhw 2.6.32-5-xen-amd64 #1 SMP Mon May 17 20:24:46 UTC 2010
>> x86_64 GNU/Linux
>>
>> The vm is running windows 7, and I got it up and running once. I could VNC
>> in and start the install.
>> As it wanted to reboot after the install it was botched and never worked
>> again.
>>
>> Assistance would be greatly appreciated.
>>
>> regards,
>> Helmut
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
--
Tapas
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