Re: 2.6.12.1 problems I meet (please CC: me)

Jens Axboe
2005-06-30T06:38:14Z

On Thu, Jun 30 2005, Wang Jian wrote:
> Hi,
>
> I use a customized kernel to do packets analysis. The analysis code is
> linked into kernel. It will vmalloc() nearly 128M (a little less) when
> initialized.
>
> The original code runs on 2.6.10 and works fine. The platform is a
> general P4 with 100M ethernet. The user space system is a 8M compressed
> ramdisk image which is a 32M filesystem.
>
> Now I want to make it work on 2.6.12+ and on Athlon64 platform, for
> better driver and better CPU/NIC performance.
>
> I have a P4 box (compilation bed, CB), a 2-way Athlon64 box (test bed,
> TB).
>
> The problems are:
>
> 1. I port the code directly to 2.6.12.1 on CB, and it compiles ok. But
> during boot, the kernel boot with error "unknown bus type 0" and freeze.
> Especially, it can't detect harddisk's partition table. I use "quiet" to
> strip non-error message and hand copy error messages

Which compiler? 2.6.12.2 should work for you, looks like you are hit my
the memcpy reordering bug.

--
Jens Axboe