Re: Kernel bug: Bad page state: related to generic symlink code and mmap

[Al Viro]

On Fri, Aug 19, 2005 at 04:44:06PM +0100, Anton Altaparmakov wrote:
> I tried stracing nautilus to answer your question.  And this time for
> the first time instead of a Bad page state I got a BUG() triggered in
> fs/namei.c, the arrow below marks the spot:
> 
> void page_put_link(struct dentry *dentry, struct nameidata *nd)
> {
> 	if (!IS_ERR(nd_get_link(nd))) {
> 		struct page *page;
> 		page = find_get_page(dentry->d_inode->i_mapping, 0);
> 		if (!page)
> ---->			BUG();

Ergo, something had blown page cache for our inode.  Interesting...
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