WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

[Xen-ia64-devel] Re: [Xen-devel] Re: [PATCH] kexec: framework and i386 (

Hi, Horms

I tested the following patch with Horms kexec patch.

My tests is:
  push NMI bottun after loading kdump kernel.
  
The results is:
  OK, I could get vmcore

diff -r b688d4a68a3e xen/arch/x86/traps.c
--- a/xen/arch/x86/traps.c      Tue Aug 22 14:59:16 2006 +0100
+++ b/xen/arch/x86/traps.c      Tue Sep 05 06:37:49 2006 +0900
@@ -105,6 +105,8 @@ static int debug_stack_lines = 20;
 static int debug_stack_lines = 20;
 integer_param("debug_stack_lines", debug_stack_lines);
 
+extern void crash_kexec(struct cpu_user_regs *regs);
+
 #ifdef CONFIG_X86_32
 #define stack_words_per_line 8
 #define ESP_BEFORE_EXCEPTION(regs) ((unsigned long *)&regs->esp)
@@ -1611,8 +1613,10 @@ asmlinkage void do_nmi(struct cpu_user_r
             mem_parity_error(regs);
         else if ( reason & 0x40 )
             io_check_error(regs);
-        else if ( !nmi_watchdog )
+        else if ( !nmi_watchdog ){
+            crash_kexec(NULL);
             unknown_nmi_error((unsigned char)(reason&0xff));
+        }
     }
 }
 


Best Regards,

Akio Takebe

>On Fri, Sep 01, 2006 at 05:45:59PM +0900, Akio Takebe wrote:
>> >Hi, Horms
>> >
>> >>That seems like a good idea to me. Though I think you are missing { }.
>> >>Can you test to see if this works?
>> >Oops, You're right. But I think unknown_nmi_error() is not called,
>> >because crash_kexec() is called before that.
>> Sorry.
>> In the only case of CONFIG_KEXEC=y, the above is right.
>
>Yes, I think that is the case. I will put your patch into the kexec
>series, as I think that it is a worthy addition.
>
>-- 
>Horms
>  H: http://www.vergenet.net/~horms/
>  W: http://www.valinux.co.jp/en/
>
>
>_______________________________________________
>Xen-devel mailing list
>Xen-devel@xxxxxxxxxxxxxxxxxxx
>http://lists.xensource.com/xen-devel


_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel