Re: kernel expection generated with 2.6.21-mm1 kernel boot up

Srinivasa Ds
2007-05-08T12:08:18Z

Kamalesh Babulal wrote:
> Hi,
>
> I tried compiling and booting up with 2.6.21-mm1 kernel
> on the following machine
>
> Architecture : PPC64
> CPU Type : POWER5 (gr)
> Machine Type : CHRP IBM,9117-570
> Base OS : Fedora Core 5
>

>
> Faulting instruction address: 0xc0000000000cc5e4
>
> cpu 0x1: Vector: 300 (Data Access) at [c000000005373320]
>
> pc: c0000000000cc5e4: .slab_free+0x6c/0x424
>
> lr: c00000000002fa70: .pgtable_free_tlb+0xd0/0x140
>
> sp: c0000000053735a0
>
> msr: 8000000000009032
>

Looks like there is a bug in SLUB implementaion for ppc64 in 2.6.21-mm1.
I unmarked CONFIG_SLUB and build the kernel, its booting cleary now.

Thanks
Srinivasa DS