Messages in this thread Patch in this message | | | Subject | [PATCH 08 of 55] xen: print backtrace on multicall failure | Date | Tue, 08 Jul 2008 15:06:30 -0700 | From | Jeremy Fitzhardinge <> |
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Print a backtrace if a multicall fails, to help with debugging.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> --- arch/x86/xen/multicalls.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c --- a/arch/x86/xen/multicalls.c +++ b/arch/x86/xen/multicalls.c @@ -76,6 +76,7 @@ if (ret) { printk(KERN_ERR "%d multicall(s) failed: cpu %d\n", ret, smp_processor_id()); + dump_stack(); for (i = 0; i < b->mcidx; i++) { printk(" call %2d/%d: op=%lu arg=[%lx] result=%ld\n", i+1, b->mcidx,
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