Hello,
    I have decided to try out the new RHEL 5.3 beta... I upgraded one
testing 5.2 system but I cannot boot into the Xen kernel.
    The system is a 64-bit SunFire x4200 with 2x dual-core CPU and 16 GB
RAM. Has anyone had a similar experience with 5.3 beta or knows what is
wrong?
    This is what I copied from the console:
 
 
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
Memory: 689152k/794624k available (2445k kernel code, 96936k reserved,
1363k data, 184k init)
Calibrating delay using timer specific routine.. 6483.26 BogoMIPS
(lpj=12966525)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
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)
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
(SMP-)alternatives turned off
Initializing CPU#1
Brought up 3 CPUs
Initializing CPU#2
migration_cost=383
checking if image is initramfs... it is
Grant table initialized
NET: Registered protocol family 16
ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread 11E27A0 could
not acquire Mutex [2] [20060707]
No dock devices found.
ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread 11E27A0 could
not acquire Mutex [2] [20060707]
PCI: Using configuration type 1
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
xen_mem: Initialising balloon driver.
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Probing PCI hardware
Unable to handle kernel NULL pointer dereference at 0000000000000000
RIP: 
 [<ffffffff8034346a>] pci_create_bus+0x59/0x1f3
PGD 0 
Oops: 0000 [1] SMP 
last sysfs file: 
CPU 0 
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.18-120.el5xen #1
RIP: e030:[<ffffffff8034346a>]  [<ffffffff8034346a>]
pci_create_bus+0x59/0x1f3
RSP: e02b:ffff8800011ffd50  EFLAGS: 00010286
RAX: ffff88002fefb000 RBX: ffff88002ff09200 RCX: 0000000000000000
RDX: ffffffffff578000 RSI: 0000000000000005 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88002ff09400 R09: 0000000000000000
R10: ffff8800011ffda0 R11: 0000000000000100 R12: ffff88002fefb000
R13: 0000000000000005 R14: ffffffff805429d0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff805b9000(0000)
knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process swapper (pid: 1, threadinfo ffff8800011fe000, task
ffff8800011e27a0)
Stack:  0000000000000005  0000000000000005  0000000000000004
0000000000000000 
 0000000000000000  0000000000000000  0000000000000000  ffffffff8034433a 
 0000000000000005  ffffffff80650503 
Call Trace:
 [<ffffffff8034433a>] pci_scan_bus_parented+0x6/0x21
 [<ffffffff80650503>] pcibios_irq_init+0x177/0x491
 [<ffffffff806347e5>] init+0x1f9/0x2fe
 [<ffffffff8025fb2c>] child_rip+0xa/0x12
 [<ffffffff80351d59>] vgacon_cursor+0x0/0x1a5
 [<ffffffff806345ec>] init+0x0/0x2fe
 [<ffffffff8025fb22>] child_rip+0x0/0x12
 

Code: 8b 7d 00 e8 e2 43 00 00 48 85 c0 0f 85 68 01 00 00 48 c7 c7 
RIP  [<ffffffff8034346a>] pci_create_bus+0x59/0x1f3
 RSP <ffff8800011ffd50>
CR2: 0000000000000000
 <0>Kernel panic - not syncing: Fatal exception
 (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
 
 
 
Best regards,
    Daniel Zavodsky
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