I have a Sony Vaio PCG-GRX770 too, and can't boot up with 2.6.0 either.
Just wanted to add to the thread.
Here are the info for the developers for my system.

output of sh scripts/linux_ver (while running 2.4.23 with ck patches):
Gnu C                  3.3.2
Gnu make               3.80
util-linux             2.12
mount                  2.12
module-init-tools      0.9.15-pre3
e2fsprogs              1.35-WIP
pcmcia-cs              3.1.33
nfs-utils              1.0.6
Linux C Library        2.3.2
Dynamic linker (ldd)   2.3.2
Procps                 3.1.14
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.0
##########

Output of screen when the boot process stops (typed by hand, so might
contain typos):

PCI: Probing PCI hardware (bus 00)
Transparent bridge - 0000:00:1e.0
APCI: Embedded Controller [EC0] (gpe 28)
ACPI: PCI Interrupt Link [LNKA] (IRQs *9)
ACPI: PCI Interrupt Link [LNKB] (IRQs 9)
ACPI: PCI Interrupt Link [LNKC] (IRQs 9)
ACPI: PCI Interrupt Link [LNKD] (IRQs *9)
ACPI: PCI Interrupt Link [LNKE] (IRQs *9)
ACPI: PCI Interrupt Link [LNKF] (IRQs 9)
ACPI: PCI Interrupt Link [LNKG] (IRQs 9)
ACPI: PCI Interrupt Link [LNKH] (IRQs 9)

Linux Plug and Play Support v0.97 (c) Adam Belay
PnPBIOS: Scanning system for PnPBIOS Support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00f74a0
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xacb3, dseg 0x400
pnp: 00:09: ioport range 0x4d0-0x4d1 has been reserved
pnp: 00:09: ioport range 0x1000-0x105f has been reserved
pnp: 00:09: ioport range 0x1060-0x107f has been reserved
pnp: 00:09: ioport range 0x1180-0x11bf has been reserved

general protection fault: e998 [#1]
CPU: 0
EIP: 0098:[<00008a8b>] Not tainted
EFLAGS: 0010046

EIP is at 0x8a8b
eax: 00000001   ebx: 00000228    ecx: 001a0000   edx: 0000000a
esi: 0000c046    edi: 00000000     ebp: c151fe68    esp: c151fe18

Process swapper (pid: 1, threadinfoÁ51e000 taskßeef900)

stack: c08b8af5  8af5000a  c0653032  c0290003  0a110011  0027bfec  bfb98aea
0000bfc5
            bfb08ae9  0000bf9e  00030000  fe680000  fe5ec151  8ad1c151
00000000  00270000
            0001001a  c5940000  dfe859e8   00000000  c015f83b  00000000
fed0fed0  ffffc151

Call Trace:
[<c015f83b>]  __d_lookup+0xbd/0x145
[<c015f37b>] d_alloc+0x169/0x1c5
[<c015f440>] d_instantiate+0x69/0x6b
[<c0168abc>] dio_bio_submit+0x9/0x63
[<c01c6c2e>] __pnp_bios_get_dev_node+0x12d/0x1ad
[<c01c6cd2>] pnp_bios_get_dev_node+0x24/0x49
[<c032f87a>] build_devlist+0x60/0x125
[<c032fbff>] pnpbios_init+0x9c/0xae
[<c03206e1>] do_initcalls+0x27/0x92
[<c0127c71>] init_workqueues+0xf/0x26
[<c0105dc1>] init+0x35/0x13c
[<c010508x>] init+0x0/0x13c
[<c0107025>] kernel_thread_helper+0x5/0xb

code: Bade EIP value
<0> Kernel panic: Attempted to kill init!
spurios 8259A interrupt: IRQ7.
#########################

--
John L. Fjellstad

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