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SubjectRe: [BUG] linux-next: Tree for April 10 - kernel panic while loading ata driver on powermac
Hi,

On Thu, Apr 10, 2008 at 12:24 PM, Kamalesh Babulal
<kamalesh@linux.vnet.ibm.com> wrote:
> Hi Stephen,
>
> The next-20080410 kernel panics while bootup over the PowerMac G5 box, while
> loading the ATA driver.
>
> [ 3.704000] Faulting instruction address: 0xc0000000000222a8
> [ 3.704000] Oops: Kernel access of bad area, sig: 11 [#1]
> [ 3.704000] SMP NR_CPUS=32 NUMA PowerMac
> [ 3.704000] Modules linked in:
> [ 3.704000] NIP: c0000000000222a8 LR: c00000000021cd10 CTR: 0000000000000100
> [ 3.704000] REGS: c0000002760db070 TRAP: 0300 Not tainted (2.6.25-rc8-next-20080410-autokern1)
> [ 3.704000] MSR: 9000000000009032 <EE,ME,IR,DR> CR: 44000042 XER: 20000000
> [ 3.704000] DAR: a0001000822fa000, DSISR: 0000000040000000
> [ 3.704000] TASK = c0000002760d7100[1] 'swapper' THREAD: c0000002760d8000 CPU: 0
> [ 3.704000] GPR00: 0000000000000100 c0000002760db2f0 c000000000498310 a0001000822fa000
> [ 3.704000] GPR04: c000000274806a00 0000000000000100 0000000000000201 c00000000000fed4
> [ 3.704000] GPR08: c0000002760daf20 c0000000003ee0d8 c0000000004f1428 0000000000000000
> [ 3.704000] GPR12: 0000000000000000 c0000000003fa700 0000000000000000 0000000000000000
> [ 3.704000] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 3.704000] GPR20: 0000000000000001 0000000000000027 0000000000000027 0000000000000000
> [ 3.704000] GPR24: c0000000004f1400 0000000000000000 0000000000000201 c0000000004f1490
> [ 3.704000] GPR28: a0001000822fa000 0000000000000200 c00000000044cf50 c000000274806a00
> [ 3.704000] NIP [c0000000000222a8] ._insw_ns+0x10/0x30
> [ 3.704000] LR [c00000000021cd10] .ata_input_data+0x1f4/0x264

Could you please add printk() for 'hwif->host_flags', 'mmio' and 'io_32bit'
to ide-iops.c::ata_input_data() so we know more on what is going on?

Thanks,
Bart


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