Hi, David Miller wrote: [Sat Sep 28 2013, 03:34:12PM EDT] > From: Gurudas Pai <gurudas.pai@xxxxxxxxxx> > Date: Fri, 27 Sep 2013 21:07:11 -0700 > > > This is on a t4-1, machine becomes unusable with hundreds of > > "WARNING: CPU: 0 PID: 441 at mm/mmap.c:2729 exit_mmap+0x14c/0x160()" > > Strange, it boots perfectly fine on my T4-2. Can you reply to > this email with the ".config" you used? > > Also, did you make sure to have the PAGE_OFFSET patches applied > first? They are a prerequisite for this series. > > Thanks. It seems to be the forever confusing MMU hole. Debian wheezy has no issue with the patch below. thanx, bob arch/sparc/include/asm/page_64.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index 2a6c45a..65d0ded 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -101,7 +101,7 @@ typedef pte_t *pgtable_t; * the actual exclusion region we enforce, wherein we use a 4GB red * zone on each side of the VA hole. */ -#define SPARC64_VA_HOLE_TOP _AC(0xfffff80000000000,UL) +#define SPARC64_VA_HOLE_TOP _AC(0xfffffc0000000000,UL) #define SPARC64_VA_HOLE_BOTTOM _AC(0x0000080000000000,UL) #define VA_EXCLUDE_START (SPARC64_VA_HOLE_BOTTOM - (1UL << 32UL)) -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html