Messages in this thread Patch in this message | | | Date | Tue, 3 May 2005 11:15:54 -0400 | From | Dave Jones <> | Subject | Re: x86-64 bad pmds in 2.6.11.6 II |
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On Tue, May 03, 2005 at 04:28:58PM +0200, Andi Kleen wrote: > On Mon, May 02, 2005 at 05:08:39PM -0400, Dave Jones wrote: > > On Mon, May 02, 2005 at 01:33:59PM -0700, Chris Wright wrote: > > > * Christopher Warner (chris@servertogo.com) wrote: > > > > Actually I am testing your patches. Its just going to take some time. > > > > The problem occurs under severe load and I'm in the process of doing > > > > load testing this for an inhouse app this week. Soon as i'm able to send > > > > debug information I will. > > > > > > Same here. I've just never found a way to trigger other than wait. > > > > *nod*, the current test-kernel update for Fedora also has your > > debugging patches, but none of the users have hit them (or reported > > them) yet. > > The second version with the WARN_ON? If not please update to that one.
I lost track.. Here's what I included..
--- linux-2.6.11/mm/memory.c~ 2005-04-27 13:37:20.000000000 -0400 +++ linux-2.6.11/mm/memory.c 2005-04-27 13:37:45.000000000 -0400 @@ -94,6 +94,7 @@ static inline void clear_pmd_range(struc if (pmd_none(*pmd)) return; if (unlikely(pmd_bad(*pmd))) { + printk("%s:%d: ", current->comm, current->pid); pmd_ERROR(*pmd); pmd_clear(pmd); return; @@ -113,6 +114,7 @@ static inline void clear_pud_range(struc unsigned long addr = start, next; pmd_t *pmd, *__pmd; + WARN_ON(start == end); if (pud_none(*pud)) return; if (unlikely(pud_bad(*pud))) {
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