[Bug 52752] Kernel hangs during boot sequence since Revision 2.6.15-25 on Thinkpad T60

[Mertl]

Public bug reported:

Since Kernel revision 2.6.15-25 the boot sequence hangs after a few
seconds on my Thinkpad T60. Kernel 2.6.15-23 works fine.

Unfortunately, this is before any Kernellog or Syslog is beeing
generated. On the last lines it is saying something about IRQ 169 and
hangs.

What information can I provide you to solve this problem?

I took my Camera and made a Picture of the Kernel Messages before it's
falling asleep:

Begin: Mounting root file system... ...
Begin: Running /scripts/local-top
[17179572.092000] ICH7: IDE controller at PCI slot 0000:00:1f.1
[17179572.092000] ACPI: PCI Interrupt 000:00:1f.1[C] -> GSI 16 (level, low) -> IRQ 169
[17179572.092000] ICH7: chipset revision 2
[17179572.092000] ICH7: not 100% native mode: will probe irqs later
[17179572.096000] ide0: BM-DMA at 0x1880-0x1887, BIOS settings: hda:DMA, hdb:pio
[17179574.592000] hda: HL-DT-STCD-RW/DVD DRIVE GCC-4246N, ATAPI CD/DVD-ROM drive
[17179575.688000] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[17179575.700000] hda: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
[17179575.704000] Uniform CD-ROM driver Revision: 3.20
[17179575.932000] SCSI subsystem initialized
[17179575.932000] ACPI: bus type scsi registered
[17179575.936000] ACPI: PCI Interrupt 000:00:1f.2[B] -> GSI 16 (level, low) -> IRQ 169

*** zzZZzzZZzz ***

[17179610.272000] ahci 000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 1.5 Gbps 0x1 impl SATA mode
[17179610.272000] ahci 000:00:1f.2: flags: 64bit ncq pm led clo pio slum part
[17179610.272000] ata1: SATA max UDMA/133 cmd 0xE0868500 ctl 0x0 bmdma 0x0 irq 66
[17179610.272000] ata2: SATA max UDMA/133 cmd 0xE0868580 ctl 0x0 bmdma 0x0 irq 66
[17179610.272000] ata3: SATA max UDMA/133 cmd 0xE0868600 ctl 0x0 bmdma 0x0 irq 66
[17179610.276000] ata4: SATA max UDMA/133 cmd 0xE0868680 ctl 0x0 bmdma 0x0 irq 66
[17179610.520000] ata1: dev 0 ATA-7, max UDMA/100, 117210240 sectors: LBA48
[17179610.532000] ata1: dev 0 configured for UDMA/100
...

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Kernel hangs during boot sequence since Revision 2.6.15-25 on Thinkpad T60
https://launchpad.net/bugs/52752