Hi, On Mon, Jan 07, 2013 at 01:51:21AM +0100, Tom Gundersen wrote: > I ran into a bug today with 3.8-rc2 [0], following an "make > modules_install && make install" of the kernel. > > I have been using the same kernel without problems for some days, the > only change immediately before the oops was that I switched from plain > partitions to using multi-device and subvolumes. > > [0]: <https://plus.google.com/114015603831160344127/posts/fzEYnF64NkZ> BUG at mm/page-writeback.c:2164 2160 int clear_page_dirty_for_io(struct page *page) 2161 { 2162 struct address_space *mapping = page_mapping(page); 2163 2164 BUG_ON(!PageLocked(page)); btrfs on the stack is only __btrfs_buffered_write + btrfs_file_aio_write, ie. just a buffered write, originating from pwrite64. The bug_on condition is clear, the question is why the page is not locked. david -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
