Re: [Xen-devel] Network-bridge script with bonding and vlan

[Greg Brackley <lists-xen-devel@xxxxxxxxxxxxxxxxxxxx>]

----- Original Message ----- 
From: "Ted Kaczmarek" <tedkaz@xxxxxxxxxxxxx>
> I am still seeing very erratic network behavior in general, on first
> reboot of the dom0 things will generally behave well, but after the dom0
> has been up for a while, with domU's brought up and down along the way
> all kinds of random failures start to happen.
Once the domains are up I haven't seen any additional problems.  I seem to 
be finally getting the networking under control by using standard FC4 init 
scripts. I'm not sure what I was getting wrong with the networking 
previously.
The current issue I have is that my test domainU fails to start every time 
after dom0 is started (log below). It starts on the second and subsequent 
restarts. I tried pulling the LVM/Raid support out of the XenU kernel, but 
it didn't help. The root being passed to the domU in the log is a LVM volume 
('phy:/dev/VolGroup00/root01xenu,sda1,w').
Greg :-)



Linux version 2.6.12-xenU (xxxx@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 
4.0.1 20050727 (Red Hat 4.0.1-5)) #3 SMP Sat Oct 22 22:38:14 NZDT 2005
kernel direct mapping tables upto 10000000 @ 42e000-4b0000
Built 1 zonelists
Kernel command line:  root=/dev/sda1 ro 3
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 65536 bytes)
Xen reported: 1593.798 MHz processor.
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
Memory: 253184k/262144k available (1660k kernel code, 8496k reserved, 551k 
data, 128k init)
Mount-cache hash table entries: 256
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
Brought up 1 CPUs
NET: Registered protocol family 16
xen_mem: Initialising balloon driver.
Grant table initialized
IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $
audit: initializing netlink socket (disabled)
audit(1129974155.344:0): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
Xen virtual console successfully installed as tty1
Event-channel device installed.
xen_blk: Initialising virtual block device driver
xen_net: Initialising virtual ethernet driver.
NET: Registered protocol family 2
IP: routing cache hash table of 1024 buckets, 16Kbytes
TCP established hash table entries: 16384 (order: 6, 262144 bytes)
TCP bind hash table entries: 16384 (order: 6, 262144 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
VFS: Cannot open root device "sda1" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on 
unknown-block(0,0)

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