x86: improve early fault/irq printout

Impact: add a stack dump to early IRQs/faults

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 9f1410711607..84d05a4d7fc4 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -577,6 +577,9 @@ ignore_int:
         pushl 40(%esp)
         pushl $int_msg
         call printk
+
+        call dump_stack
+
         addl $(5*4),%esp
         popl %ds
         popl %es
@@ -652,7 +655,7 @@ early_recursion_flag:
         .long 0
 
 int_msg:
-        .asciz "Unknown interrupt or fault at EIP %p %p %p\n"
+        .asciz "Unknown interrupt or fault at: %p %p %p\n"
 
 fault_msg:
 /* fault info: */