[Xen-bugs] [Bug 640] New: SCSI root disk not loading on dom0 boot

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=640

           Summary: SCSI root disk not loading on dom0 boot
           Product: Xen
           Version: 3.0.2
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hardware Support
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: twh25@xxxxxxxxx


When I try to boot Xen, it can't seem to detect my scsi root disk and crashes. 
I'm using 3.0.2 built from the source package.  Under 3.0.0, however, it works
fine.  Here are the console messages for comparison:

=== Xen 3.0.2 ===
Red Hat nash version 4.1.18.1 starting
Mounted /proc filesystem
Mounting sysfs
Creating /dev
Starting udev
Loading mptbase.ko module
Fusion MPT base driver 3.03.07
Copyright (c) 1999-2005 LSI Logic Corporation
Loading mptscsih.ko module
Loading raid1.ko module
md: raid1 personality registered for level 1
Loading jbd.ko module
Loading ext3.ko module
Loading aacraid.ko module
Adaptec aacraid driver (1.1-4 May  9 2006 11:42:27)
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
Creating root device
Mounting root filesystem
EXT3-fs: unable to read superblock
mount: error 22 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init!
 (XEN) Domain 0 crashed: rebooting machine in 5 seconds.


=== Xen 3.0.0 ===
Red Hat nash version 4.1.18.1 starting
Mounted /proc filesystem
Mounting sysfs
Creating /dev
Starting udev
Loading mptbase.ko module
Fusion MPT base driver 3.01.20
Copyright (c) 1999-2004 LSI Logic Corporation
ACPI: PCI Interrupt 0000:02:04.0[A] -> GSI 27 (level, low) -> IRQ 27
mptbase: Initiating ioc0 bringup
ioc0: 53C1030: Capabilities={Initiator}
Loading mptscsih.ko module
Fusion MPT SCSI Host driver 3.01.20
scsi0 : ioc0: LSI53C1030, FwRev=01032300h, Ports=1, MaxQ=222, IRQ=27
  Vendor: SEAGATE   Model: ST373307LC        Rev: 0007
  Type:   Direct-Access                      ANSI SCSI revision: 03
SCSI device sda: 143374744 512-byte hdwr sectors (73408 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 143374744 512-byte hdwr sectors (73408 MB)
SCSI device sda: drive cache: write back
 sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
Attached scsi disk sda at scsi0, channel 0, id 1, lun 0
Loading raid1.ko module
md: raid1 personality registered as nr 3
Loading jbd.ko module
Loading ext3.ko module
Loading aacraid.ko module
Red Hat/Adaptec aacraid driver (1.1.2-lk2 May  9 2006)
md: Autodetecting RAID arrays.
md: autorun ...
md: considering sda3 ...
md:  adding sda3 ...
md: sda2 has different UUID to sda3
md: sda1 has different UUID to sda3
md: created md3
md: bind<sda3>
md: running: <sda3>
raid1: raid set md3 active with 1 out of 2 mirrors
md: considering sda2 ...
md:  adding sda2 ...
md: sda1 has different UUID to sda2
md: created md2
md: bind<sda2>
md: running: <sda2>
raid1: raid set md2 active with 1 out of 2 mirrors
md: considering sda1 ...
md:  adding sda1 ...
md: created md1
md: bind<sda1>
md: running: <sda1>
raid1: raid set md1 active with 1 out of 2 mirrors
md: ... autorun DONE.
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
Creating root device
Mounting root filesystem
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Switching to new root
SELinux:  Disabled at runtime.
SELinux:  Unregistering netfilter hooks
INIT: version 2.85 booting
                Welcome to Fedora Core


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