Messages in this thread | | | Date | Fri, 29 Sep 2000 23:00:16 +0100 (BST) | From | Alan Cox <> |
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> "num_pages" is usually just equal to 1. This code appears to work very well. > However, when I call the iounmap function on the memory obtained via > ioremap_nocache, sometimes I hit a kernel BUG(). The code which causes the bug > is in page_alloc.c, line 85 (in function __free_pages_ok): > > if (page->buffers) > BUG();
This sounds like you are trying to do maps on pages that are in use. No can do
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