Ubuntu hangs on boot

[Sherin George]

Hello Friends,

I am using Xubuntu 9.04.

My system hangs & goes to blank screen during boot process at times.
Keyboard also hangs, so I can't switch to console and see what is going on

A hard reboot fixes the problem. But I am trying to find what could be
causing this.

Here is the extract from my /var/log/messages.

=======================================================================================================================================
Oct 2 10:09:37 mypc kernel: [ 13.331823] agpgart-intel 0000:00:00.0: Intel
830M Chipset
Oct 2 10:09:37 mypc kernel: [ 13.332269] agpgart-intel 0000:00:00.0:
detected 892K stolen memory
Oct 2 10:09:37 mypc kernel: [ 13.335148] agpgart-intel 0000:00:00.0: AGP
aperture is 128M @ 0xf0000000
Oct 2 10:09:37 mypc kernel: [ 13.442788] parport_pc 00:08: reported by Plug
and Play ACPI
Oct 2 10:09:37 mypc kernel: [ 13.442888] parport0: PC-style at 0x378, irq 7
[PCSPP,TRISTATE,EPP]
Oct 2 10:09:37 mypc kernel: [ 13.614516] intel_rng: Firmware space is locked
read-only. If you can't or
Oct 2 10:09:37 mypc kernel: [ 13.614520] intel_rng: don't want to disable
this in firmware setup, and if
Oct 2 10:09:37 mypc kernel: [ 13.614523] intel_rng: you are certain that
your system has a functional
Oct 2 10:09:37 mypc kernel: [ 13.614525] intel_rng: RNG, try using the
'no_fwh_detect' option.
Oct 2 10:09:37 mypc kernel: [ 13.639404] shpchp: Standard Hot Plug PCI
Controller Driver version: 0.4
Oct 2 10:09:37 mypc kernel: [ 13.672205] iTCO_vendor_support:
vendor-support=0
Oct 2 10:09:37 mypc kernel: [ 13.675889] iTCO_wdt: Intel TCO WatchDog Timer
Driver v1.05
Oct 2 10:09:37 mypc kernel: [ 13.676354] iTCO_wdt: Found a ICH4 TCO device
(Version=1, TCOBASE=0x0460)
Oct 2 10:09:37 mypc kernel: [ 13.676624] iTCO_wdt: initialized. heartbeat=30
sec (nowayout=0)
Oct 2 10:09:37 mypc kernel: [ 13.970871] input: PC Speaker as
/devices/platform/pcspkr/input/input3
Oct 2 10:09:37 mypc kernel: [ 14.158444] synaptics was reset on resume, see
synaptics_resume_reset if you have trouble on resume
Oct 2 10:09:37 mypc kernel: [ 15.149690] ppdev: user-space parallel port
driver
Oct 2 10:09:37 mypc kernel: [ 15.308034] intel8x0_measure_ac97_clock:
measured 54390 usecs
Oct 2 10:09:37 mypc kernel: [ 15.308107] intel8x0: clocking to 48000
Oct 2 10:09:37 mypc kernel: [ 15.350378] input: ImPS/2 Logitech Wheel Mouse
as /devices/platform/i8042/serio1/input/input4
Oct 2 10:09:37 mypc kernel: [ 15.952563] Adding 497972k swap on /dev/sda9.
Priority:-1 extents:1 across:497972k
Oct 2 10:09:37 mypc kernel: [ 60.584904] EXT3 FS on sda10, internal journal
Oct 2 10:09:37 mypc kernel: [ 60.788809] lp0: using parport0
(interrupt-driven).
Oct 2 10:09:45 mypc kernel: [ 74.755003] [drm] Initialized drm 1.1.0
20060810
Oct 2 10:09:45 mypc kernel: [ 74.776900] pci 0000:00:02.0: PCI INT A -> GSI
16 (level, low) -> IRQ 16
Oct 2 10:09:45 mypc kernel: [ 74.777350] [drm] Initialized i915 1.6.0
20080730 on minor 0
Oct 2 10:09:46 mypc kernel: [ 75.604886] eth0: link down
Oct 2 10:09:46 mypc kernel: [ 75.605005] ADDRCONF(NETDEV_UP): eth0: link is
not ready




Oct 2 10:15:22 mypc syslogd 1.5.0#5ubuntu3: restart.
Oct 2 10:15:23 mypc kernel: Inspecting /boot/System.map-2.6.28-11-generic
Oct 2 10:15:24 mypc kernel: Cannot find map file.
Oct 2 10:15:24 mypc kernel: Loaded 52232 symbols from 47 modules.
Oct 2 10:15:24 mypc kernel: [ 0.000000] BIOS EBDA/lowmem at:
0009fc00/0009fc00
Oct 2 10:15:24 mypc kernel: [ 0.000000] Initializing cgroup subsys cpuset
Oct 2 10:15:24 mypc kernel: [ 0.000000] Initializing cgroup subsys cpu
Oct 2 10:15:24 mypc kernel: [ 0.000000] Linux version 2.6.28-11-generic
(buildd at palmer) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #42-
Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 (Ubuntu 2.6.28-11.42-generic)
Oct 2 10:15:24 mypc kernel: [ 0.000000] KERNEL supported cpus:
Oct 2 10:15:24 mypc kernel: [ 0.000000] Intel GenuineIntel
=======================================================================================================================================


Any help in troubleshooting this problem is highly appreciated.

--
Thanks,
Sherin
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