Date: Tue, 21 Jan 2003 19:02:03 -0800 From: Arun Sharma <arun.sharma@intel.com> To: freebsd-ia64@freebsd.org Subject: cat /proc/pid/map == panic Message-ID: <200301220302.h0M323r01126@unix-os.sc.intel.com>
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cat /proc/pid/map results in a page not present fault. The attached
patch fixed it for me.
--- src/sys/ia64/ia64/pmap.c- Tue Jan 21 17:46:59 2003
+++ src/sys/ia64/ia64/pmap.c Tue Jan 21 18:26:48 2003
@@ -1164,13 +1164,16 @@
register pmap_t pmap;
vm_offset_t va;
{
- pmap_t oldpmap;
- vm_offset_t pa;
+ struct ia64_lpte *pte;
- oldpmap = pmap_install(pmap);
- pa = ia64_tpa(va);
- pmap_install(oldpmap);
- return pa;
+ if (!pmap)
+ return 0;
+
+ pte = pmap_find_vhpt(va);
+ if (!pte)
+ return 0;
+
+ return pmap_pte_pa(pte);
}
/***************************************************
-Arun
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