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    SubjectRe: 2.6.12.1 problems I meet (please CC: me)
    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
    > >
    > >
    >
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