Hello,
I installed Xen 3.2.1 on Debian Lenny from packages. Then created image
files with
'xen-create-image --size=2Gb --swap=128Mb --dhcp --dir=/xen
--hostname=test'.
Now I'm trying to run Debian in PV mode using the following
configuration file:
kernel = "/boot/vmlinuz-2.6.26-1-xen-686"
ramdisk = "/boot/initrd.img-2.6.26-1-xen-686"
memory = 128
name = "test"
vif = [ '' ]
dhcp = "dhcp"
disk = ['tap:aio:/xen/domains/test/disk.img,xvda1,w',
'tap:aio:/xen/domains/test/swap.img,xvda2,w']
root = "/dev/xvda1 ro"
extras = 'console=xvc0'
And get the running process to hang on disk initalization stage:
Started domain test
[ 0.004000] .init : 0xc038d000 - 0xc03be000 ( 196 kB)
[ 0.004000] .data : 0xc02ccd00 - 0xc03858a0 ( 738 kB)
[ 0.004000] .text : 0xc0100000 - 0xc02ccd00 (1843 kB)
[ 0.004000] Checking if this processor honours the WP bit even in
supervisor mode...Ok.
[ 0.664057] Calibrating delay using timer specific routine.. 6008.09
BogoMIPS (lpj=12016199)
[ 0.664095] Security Framework initialized
[ 0.664107] SELinux: Disabled at boot.
[ 0.664113] Capability LSM initialized
[ 0.664126] Mount-cache hash table entries: 512
[ 0.664236] Initializing cgroup subsys ns
[ 0.664245] Initializing cgroup subsys cpuacct
[ 0.664250] Initializing cgroup subsys devices
[ 0.664275] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 0.664283] CPU: L2 cache: 6144K
[ 0.664296] Checking 'hlt' instruction... OK.
[ 0.664655] SMP alternatives: switching to UP code
[ 0.679036] Freeing SMP alternatives: 16k freed
[ 0.679124] Brought up 1 CPUs
[ 0.681279] net_namespace: 660 bytes
[ 0.681429] NET: Registered protocol family 16
[ 0.682443] Brought up 1 CPUs
[ 0.682457] PCI: Fatal: No config space access function found
[ 0.682462] PCI: setting up Xen PCI frontend stub
[ 0.683020] ACPI: Interpreter disabled.
[ 0.683027] Linux Plug and Play Support v0.97 (c) Adam Belay
[ 0.683056] pnp: PnP ACPI: disabled
[ 0.683256] suspend: event channel 7
[ 0.683751] xen_mem: Initialising balloon driver.
[ 0.685129] PCI: System does not support PCI
[ 0.685135] PCI: System does not support PCI
[ 0.685528] NET: Registered protocol family 2
[ 0.685597] IP route cache hash table entries: 2048 (order: 1, 8192
bytes)
[ 0.685747] TCP established hash table entries: 8192 (order: 4, 65536
bytes)
[ 0.685778] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.685807] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.685813] TCP reno registered
[ 0.685860] NET: Registered protocol family 1
[ 0.685944] checking if image is initramfs... it is
[ 0.697821] Freeing initrd memory: 8612k freed
[ 0.697994] platform rtc_cmos: registered platform RTC device (no PNP
device found)
[ 0.698254] audit: initializing netlink socket (disabled)
[ 0.698270] type=2000 audit(1230294161.711:1): initialized
[ 0.698396] VFS: Disk quotas dquot_6.5.1
[ 0.698420] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.698445] msgmni has been set to 272
[ 0.698523] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 253)
[ 0.698532] io scheduler noop registered
[ 0.698536] io scheduler anticipatory registered
[ 0.698540] io scheduler deadline registered
[ 0.698550] io scheduler cfq registered (default)
[ 0.700553] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ
sharing enabled
[ 0.701775] brd: module loaded
[ 0.701828] Xen virtual console successfully installed as hvc0
[ 0.701862] Event-channel device installed.
[ 0.710259] netfront: Initialising virtual ethernet driver.
[ 0.710962] PNP: No PS/2 controller found. Probing ports directly.
[ 0.711784] i8042.c: No controller found.
[ 0.711867] mice: PS/2 mouse device common for all mice
[ 0.712016] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[ 0.712031] No iBFT detected.
[ 0.712031] TCP cubic registered
[ 0.712031] NET: Registered protocol family 17
[ 0.712031] Using IPI No-Shortcut mode
[ 0.712164] registered taskstats version 1
[ 5.812197] XENBUS: Waiting for devices to initialise:
295s...290s...285s...
Also I created a few HVM domUs with FreeBSD and Windows and everything
was fine with tap:aio driver. xend.log does not contain any error messages.
When I change tap:aio to file: PV domU is loaded fine. But I want to load
Where is the problem? I guess something is wrong with blktap driver in
domU kernel (that is the same as dom0)?
Also I've noticed in syslog.log error messages about blktapctrl:
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: Found driver: [raw image (aio)]
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: Found driver: [raw image (sync)]
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: Found driver: [vmware image
(vmdk)]
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: Found driver: [ramdisk image
(ram)]
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: Found driver: [qcow disk (qcow)]
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: couldn't find device number
for 'blktap0'
Dec 26 12:45:49 vps-main BLKTAPCTRL[24550]: Unable to start blktapctrl
I sucesfully load xenblktap manually with modprobe, restart xend but
with any luck about tap:aio hanging in domU.
Can anyone help please to solve this issue?
With regards, Andrey
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