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| --- a/drivers/net/xen-netfront.c 2014-10-31 15:33:16.000000000 -0400 | |
| +++ b/drivers/net/xen-netfront.c 2014-10-31 15:36:04.000000000 -0400 | |
| @@ -497,7 +497,13 @@ | |
| offset = frag->page_offset; | |
| /* Data must not cross a page boundary. */ | |
| - BUG_ON(len + offset > PAGE_SIZE<<compound_order(page)); | |
| + // BUG_ON(len + offset > PAGE_SIZE<<compound_order(page)); | |
| + if (len + offset > PAGE_SIZE<<compound_order(page)) { | |
| + netdev_err(queue->info->netdev, "len %d offset %d order %d PageHead %d i %d nr_frags %d \n", | |
| + len, offset, compound_order(page), | |
| + PageHead(page), i, skb_shinfo(skb)->nr_frags); | |
| + BUG(); | |
| + } | |
| /* Skip unused frames from start of page */ | |
| page += offset >> PAGE_SHIFT; |
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Fixing by using
queue->info->netdevinstead ofdev(previously consideredqueue->info->xbdev)