Re: Atheros Communications Inc. AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0) 1.0.0.7 md5/sha1 corrupted using NFS and samba (updated) Version 2
From: Hannes Frederic Sowa <hidden>
Date: 2013-03-24 17:38:03
From: Hannes Frederic Sowa <hidden>
Date: 2013-03-24 17:38:03
On Sun, Mar 24, 2013 at 10:22:48AM -0700, Eric Dumazet wrote:
What could be tried is to remove the possibility of page spanning.diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 441f5bf..d0f4dd1 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h@@ -1849,7 +1849,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list) kfree_skb(skb); } -#define NETDEV_FRAG_PAGE_MAX_ORDER get_order(32768) +#define NETDEV_FRAG_PAGE_MAX_ORDER 0 #define NETDEV_FRAG_PAGE_MAX_SIZE (PAGE_SIZE << NETDEV_FRAG_PAGE_MAX_ORDER) #define NETDEV_PAGECNT_MAX_BIAS NETDEV_FRAG_PAGE_MAX_SIZE
Doesn't change anything. :( We tested it on a v3.8 kernel so I changed the definition in net/core/skbuff.c. I hope this doesn't change the outcome. Btw, reports about this bug are dating back to 2008 so I don't think that a recent change in the kernel broke it. Thanks, Hannes