Re: Processes stuck on D state on Dual Opteron

[Andrew Morton]

Claudio Martins <ctpm@xxxxxxxxxxxxxx> wrote:
>
>   I think I'm going to give a try to Neil's patch, but I'll have to apply some 
>  patches from -mm.

Just this one if you're using 2.6.12-rc2:

--- 25/drivers/md/md.c~avoid-deadlock-in-sync_page_io-by-using-gfp_noio	Mon Apr 11 16:55:07 2005
+++ 25-akpm/drivers/md/md.c	Mon Apr 11 16:55:07 2005
@@ -332,7 +332,7 @@ static int bi_complete(struct bio *bio, 
 static int sync_page_io(struct block_device *bdev, sector_t sector, int size,
 		   struct page *page, int rw)
 {
-	struct bio *bio = bio_alloc(GFP_KERNEL, 1);
+	struct bio *bio = bio_alloc(GFP_NOIO, 1);
 	struct completion event;
 	int ret;
 
_

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