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    SubjectRe: kernel BUG at page_alloc.c:98 -- compiling with distcc
    On Wed, May 05, 2004 at 12:25:00PM -0400, Carson Gaspar wrote:
    > --On Monday, May 03, 2004 22:07:14 -0300 Marcelo Tosatti
    > <marcelo.tosatti@cyclades.com> wrote:
    >
    > >On Fri, Apr 02, 2004 at 12:21:03PM +0200, Marco Fais wrote:
    > >>Hi!
    > >>
    > >>
    > >>[1.] Kernel panic while using distcc
    > >>
    > >>[2.] I have 5-6 development linux systems that we use without problem
    > >>under a normal development workload. Trying distcc for speeding up
    > >>compilation, we have a fully reproducible kernel panic in a very short
    > >>time (seconds after compilation start). The kernel panic happens *only*
    > >>when the systems are "remotely controlled" (the distcc daemon is
    > >>receiving source files from remote systems, compile and send back
    > >>compiled objects). When compiling with distcc the local system doesn't
    > >>show any kernel panic, while the same system used as a "remote compiler
    > >>system" dies very quickly.
    > >>
    > >>[3.] Keywords: distcc BUG page_alloc.c
    > >
    > >Marco, Carson,
    > >
    > >Can you please try to reproduce this distcc generated oops using
    > >2.4.27-pre2?
    >
    > I'd love to. However 2.4.27-pre2 broke the tg3 driver. tg3.c contains
    > WARN_ON(1). Sadly, WARN_ON doesn't exist in 2.4.x, so depmod correctly
    > complains about an unresolved symbol.
    >
    > I'm beginning to wonder if anyone actually builds these pre releases... I
    > mean, I know the tg3 driver is really obscure, and only used by 2 people,
    > but...

    I just commited a fix to the BK tree.

    Can you please apply this.

    # This is a BitKeeper generated patch for the following project:
    # Project Name: Linux kernel tree
    # This patch format is intended for GNU patch command version 2.5 or higher.
    # This patch includes the following deltas:
    # ChangeSet 1.1385 -> 1.1386
    # include/linux/kernel.h 1.22 -> 1.23
    #
    # The following is the BitKeeper ChangeSet Log
    # --------------------------------------------
    # 04/05/05 m.c.p@kernel.linux-systeme.com 1.1386
    # [PATCH] copy WARN_ON() definition from 2.6
    #
    # --------------------------------------------
    #
    diff -Nru a/include/linux/kernel.h b/include/linux/kernel.h
    --- a/include/linux/kernel.h Wed May 5 15:35:31 2004
    +++ b/include/linux/kernel.h Wed May 5 15:35:31 2004
    @@ -196,4 +196,11 @@

    #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)

    +#define WARN_ON(condition) do { \
    + if (unlikely((condition)!=0)) { \
    + printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \
    + dump_stack(); \
    + } \
    +} while (0)
    +
    #endif /* _LINUX_KERNEL_H */
    -
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