Linux Kernel 2.6.12-10 on Compaq nc4200 freezes on boot

Linux Kernel 2.6.12-10 on a Compaq nc4200 laptop freezes on boot. Workaround is
to use an older kernel eg linux-image-2.6.10-6-686. System information follows:

$ uname -a
Linux hp 2.6.10-6-686 #1 Fri Nov 18 12:37:17 UTC 2005 i686 GNU/Linux

$ cat /etc/issue
Ubuntu 5.10 "Breezy Badger" \n \l

$ lspci
0000:00:00.0 Host bridge: Intel Corp. Mobile Memory Controller Hub (rev 03)
0000:00:02.0 VGA compatible controller: Intel Corp. Mobile Graphics Controller
(rev 03)
0000:00:02.1 Display controller: Intel Corp. Mobile Graphics Controller (rev 03)
0000:00:1c.0 PCI bridge: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI
Express Port 1 (rev 03)
0000:00:1c.1 PCI bridge: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI
Express Port 2 (rev 03)
0000:00:1d.0 USB Controller: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB
UHCI #1 (rev 03)
0000:00:1d.1 USB Controller: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB
UHCI #2 (rev 03)
0000:00:1d.2 USB Controller: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB
UHCI #3 (rev 03)
0000:00:1d.7 USB Controller: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family)
USB2 EHCI Controller (rev 03)
0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev d3)
0000:00:1e.2 Multimedia audio controller: Intel Corp. 82801FB/FBM/FR/FW/FRW
(ICH6 Family) AC'97 Audio Controller (rev 03)
0000:00:1e.3 Modem: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem
Controller (rev 03)
0000:00:1f.0 ISA bridge: Intel Corp. 82801FBM (ICH6M) LPC Interface Bridge (rev 03)
0000:00:1f.1 IDE interface: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE
Controller (rev 03)
0000:02:04.0 Network controller: Intel Corp.: Unknown device 4223 (rev 05)
0000:02:06.0 CardBus bridge: Texas Instruments: Unknown device 8031
0000:02:06.3 Unknown mass storage controller: Texas Instruments: Unknown device 8033
0000:02:06.4 0805: Texas Instruments: Unknown device 8034
0000:02:06.5 Communication controller: Texas Instruments: Unknown device 8035
0000:10:00.0 Ethernet controller: Broadcom Corporation: Unknown device 167d (rev 11)

$ cat /proc/meminfo
MemTotal: 1028252 kB
MemFree: 569400 kB
Buffers: 35448 kB
Cached: 207996 kB
SwapCached: 0 kB
Active: 234664 kB
Inactive: 135816 kB
HighTotal: 122688 kB
HighFree: 140 kB
LowTotal: 905564 kB
LowFree: 569260 kB
SwapTotal: 1076344 kB
SwapFree: 1076344 kB
Dirty: 0 kB
Writeback: 0 kB
Mapped: 180064 kB
Slab: 19144 kB
CommitLimit: 1590468 kB
Committed_AS: 312120 kB
PageTables: 1984 kB
VmallocTotal: 114680 kB
VmallocUsed: 7316 kB
VmallocChunk: 106908 kB
$ lsmod
Module Size Used by
ipv6 257792 6
rfcomm 39420 0
l2cap 26468 5 rfcomm
bluetooth 50532 4 rfcomm,l2cap
speedstep_centrino 7892 1
proc_intf 3908 0
cpufreq_powersave 1632 0
cpufreq_userspace 4348 1
cpufreq_ondemand 6140 0
freq_table 4004 1 speedstep_centrino
pcmcia 22244 2
i915 19552 1
drm 65172 2 i915
video 15972 0
battery 9988 0
container 4320 0
button 6480 0
pcc_acpi 11008 0
sony_acpi 5928 0
ac 4676 0
af_packet 21992 2
rtc 12472 0
pcspkr 3496 0
irtty_sir 8544 0
sir_dev 18828 1 irtty_sir
irda 191936 2 irtty_sir,sir_dev
crc_ccitt 1920 1 irda
tg3 84932 0
yenta_socket 21344 0
pcmcia_core 57984 2 pcmcia,yenta_socket
ipw2200 71820 0
firmware_class 9984 1 ipw2200
ieee80211 23332 1 ipw2200
ieee80211_crypt 5640 1 ieee80211
snd_intel8x0 32352 1
snd_ac97_codec 74144 1 snd_intel8x0
snd_pcm_oss 52132 0
snd_mixer_oss 19680 1 snd_pcm_oss
snd_pcm 94696 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer 25060 1 snd_pcm
snd 55012 8
snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore 10016 1 snd
snd_page_alloc 9732 2 snd_intel8x0,snd_pcm
ehci_hcd 32708 0
usbhid 31936 0
uhci_hcd 32816 0
usbcore 119128 4 ehci_hcd,usbhid,uhci_hcd
pci_hotplug 33488 0
intel_agp 22140 1
agpgart 33608 3 drm,intel_agp
nls_iso8859_1 3936 1
nls_cp437 5600 1
vfat 13824 1
fat 41760 1 vfat
dm_mod 59420 1
capability 4648 0
commoncap 7712 1 capability
tsdev 7520 0
joydev 9664 0
evdev 9344 1
psmouse 21320 0
mousedev 11288 1
parport_pc 37252 1
lp 11144 0
parport 36744 2 parport_pc,lp
ide_cd 41700 0
cdrom 40220 1 ide_cd
md 47440 0
reiserfs 262960 2
ext2 66632 0
ext3 137256 0
jbd 60536 1 ext3
mbcache 8356 2 ext2,ext3
ide_generic 1312 0
ide_disk 20416 5
piix 10340 1
ide_core 129356 4 ide_cd,ide_generic,ide_disk,piix
unix 28276 808
thermal 13320 0
processor 22452 2 speedstep_centrino,thermal
fan 4388 0
fbcon 37504 0
font 8192 1 fbcon
bitblit 5472 1 fbcon
vesafb 6724 0
cfbcopyarea 3808 1 vesafb
cfbimgblt 2912 1 vesafb
cfbfillrect 3488 1 vesafb