Fix backtrace of xen-ia64
Akio Takebe wrote:
Hi,
This patch improves backtrace of xen-ia64.
If the cpu map is not contiguous, we cannot get the stack address.
Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Best Regards,
Akio Takebe
---
--- crash-4.0-6.3.orig/ia64.c 2008-04-30 02:39:16.000000000 +0900
+++ crash-4.0-6.3/ia64.c 2008-05-21 15:05:53.000000000 +0900
@@ -4167,14 +4167,14 @@ ia64_in_mca_stack_hyper(ulong addr, stru
if (!machdep->kvtop(NULL, addr, &paddr, 0))
return 0;
- __per_cpu_mca = (ulong *)GETBUF(sizeof(ulong) * xht->pcpus);
+ __per_cpu_mca = (ulong *)GETBUF(sizeof(ulong) * plen);
if (!readmem(symbol_value("__per_cpu_mca"), KVADDR, __per_cpu_mca,
- sizeof(ulong) * xht->pcpus, "__per_cpu_mca", RETURN_ON_ERROR|QUIET))
+ sizeof(ulong) * plen, "__per_cpu_mca", RETURN_ON_ERROR|QUIET))
return 0;
if (CRASHDEBUG(1)) {
- for (i = 0; i < xht->pcpus; i++) {
+ for (i = 0; i < plen; i++) {
fprintf(fp, "__per_cpu_mca[%d]: %lx
",
i, __per_cpu_mca[i]);
}
ACK -- queued for the next release.
Thanks,
Dave
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