Re: 2.6.0-test9-mm4 - kernel BUG at arch/i386/mm/fault.c:357!

[William Lee Irwin III <wli@holomorphy.com>]

On Wed, Nov 19, 2003 at 03:18:23PM +0100, Ronny V. Vindenes wrote:
> bad nopage snd_pcm_mmap_data_nopage+0x0/0xc0 [snd_pcm]
> handle_mm_fault() returned bad status


diff -prauN mm4-2.6.0-test9-1/sound/core/pcm_native.c mm4-2.6.0-test9-dbg-1/sound/core/pcm_native.c
--- mm4-2.6.0-test9-1/sound/core/pcm_native.c	2003-11-19 00:07:16.000000000 -0800
+++ mm4-2.6.0-test9-dbg-1/sound/core/pcm_native.c	2003-11-19 06:20:32.000000000 -0800
@@ -2819,7 +2819,7 @@ int snd_pcm_mmap_status(snd_pcm_substrea
 	return 0;
 }
 
-static struct page * snd_pcm_mmap_control_nopage(struct vm_area_struct *area, unsigned long address, int no_share)
+static struct page * snd_pcm_mmap_control_nopage(struct vm_area_struct *area, unsigned long address, int *type)
 {
 	snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data;
 	snd_pcm_runtime_t *runtime;
@@ -2831,6 +2831,8 @@ static struct page * snd_pcm_mmap_contro
 	page = virt_to_page(runtime->control);
 	if (!PageReserved(page))
 		get_page(page);
+	if (type)
+		*type = VM_FAULT_MINOR;
 	return page;
 }
 
@@ -2869,7 +2871,7 @@ static void snd_pcm_mmap_data_close(stru
 	atomic_dec(&substream->runtime->mmap_count);
 }
 
-static struct page * snd_pcm_mmap_data_nopage(struct vm_area_struct *area, unsigned long address, int no_share)
+static struct page * snd_pcm_mmap_data_nopage(struct vm_area_struct *area, unsigned long address, int *type)
 {
 	snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data;
 	snd_pcm_runtime_t *runtime;
@@ -2897,6 +2899,8 @@ static struct page * snd_pcm_mmap_data_n
 	}
 	if (!PageReserved(page))
 		get_page(page);
+	if (type)
+		*type = VM_FAULT_MINOR;
 	return page;
 }