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

Wang Jian
2005-06-30T08:28:31Z

The problem #1 is gone for 2.6.12.2. Thanks.

2005/6/30, Wang Jian <larkwang@gmail.com>:
> [root@devel root]# gcc --version
> gcc (GCC) 3.3.2 (Mandrake Linux 10.0 3.3.2-6mdk)
>
> I will try 2.6.12.2 and report back.
>
> On 6/30/05, Jens Axboe <axboe@suse.de> wrote:
> > 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
> >
> >
>