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authorIngo Molnar <mingo@elte.hu>2007-10-17 18:04:41 +0200
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-17 20:16:56 +0200
commit382f64ab8f178fe6ca5e7beafa7f03132724bbfb (patch)
treef00bc1af430692495196d914d3e202fd46ed2890
parent072f5d82b58cba760191393a6a99fd1123c76e67 (diff)
i386: print better early fault info
improve early fault output. old format: Int 14: CR2 010001e3 err 00000002 EIP c011f2f9 CS 00000060 flags 00010046 Stack: c073695e c0791c10 00000000 ffffffff 00000000 01000000 00001000 c0791c10 new format: BUG: Int 14: CR2 010001e3 EDI c1000000 ESI c0693c10 EBP c0637f9c ESP c0637f08 EBX 00000000 EDX 0000000e ECX 00000000 EAX 010001e3 err 00000002 EIP c0123119 CS 00000060 flg 00010046 Stack: c064d589 c0693000 00000000 c0637f60 00c001e3 01000000 00038000 00000163 00000000 00000163 00000000 ffffffff 00038000 00000000 00000000 00001000 00001000 00000000 c0637f88 c06509be c0a2ae60 00001000 00001000 00000000 Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/x86/kernel/head_32.S12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 0fa8a972a67..39677965e16 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -452,6 +452,7 @@ early_page_fault:
early_fault:
cld
#ifdef CONFIG_PRINTK
+ pusha
movl $(__KERNEL_DS),%eax
movl %eax,%ds
movl %eax,%es
@@ -543,8 +544,15 @@ int_msg:
.asciz "Unknown interrupt or fault at EIP %p %p %p\n"
fault_msg:
- .ascii "Int %d: CR2 %p err %p EIP %p CS %p flags %p\n"
- .asciz "Stack: %p %p %p %p %p %p %p %p\n"
+ .ascii \
+/* fault info: */ "BUG: Int %d: CR2 %p\n" \
+/* pusha regs: */ " EDI %p ESI %p EBP %p ESP %p\n" \
+ " EBX %p EDX %p ECX %p EAX %p\n" \
+/* fault frame: */ " err %p EIP %p CS %p flg %p\n" \
+ \
+ "Stack: %p %p %p %p %p %p %p %p\n" \
+ " %p %p %p %p %p %p %p %p\n" \
+ " %p %p %p %p %p %p %p %p\n"
#include "../../x86/xen/xen-head.S"