IA64 kdump kernel failed to initialize /proc/vmcore in 2.6.28-rc2.
A bug was introduced in this patch commit:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=d9a9855d0b06ca6d6cc92596fedcc03f8512e062
The problem was that the call to reserve_elfcorehdr() should be placed
in CONFIG_CRASH_DUMP rather than in CONFIG_CRASH_KERNEL, which does
not exist.
The patch fixes the problem.
Signed-off-by: Jay Lan <[EMAIL PROTECTED]>
---
arch/ia64/kernel/setup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/ia64/kernel/setup.c
===================================================================
--- linux.orig/arch/ia64/kernel/setup.c 2008-11-06 18:01:18.000000000 -0800
+++ linux/arch/ia64/kernel/setup.c 2008-11-06 18:05:42.047332827 -0800
@@ -359,7 +359,7 @@ reserve_memory (void)
}
#endif
-#ifdef CONFIG_CRASH_KERNEL
+#ifdef CONFIG_CRASH_DUMP
if (reserve_elfcorehdr(&rsvd_region[n].start,
&rsvd_region[n].end) == 0)
n++;
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