On Wed, Feb 13, 2008 at 12:05:45PM +1100, Nick Piggin wrote: :)On Wednesday 13 February 2008 08:50, Alan Cox wrote: :)> Almost certainly a hardware fail of some sort. :) :)Right, but the kernel shouldn't go bug...
Indeed, that's why I'm reporting.
:)I don't have a copy of your exact source code... which condition in
:)__mpage_writepage went BUG?
BUG_ON(buffer_locked(bh));
In a bit of context:
482: if (page_has_buffers(page)) {
483: struct buffer_head *head = page_buffers(page);
484: struct buffer_head *bh = head;
485:
486: /* If they're all mapped and dirty, do it */
487: page_block = 0;
488: do {
489: BUG_ON(buffer_locked(bh));
490: if (!buffer_mapped(bh)) {
491: /*
492: * unmapped dirty buffers are created by
493: * __set_page_dirty_buffers -> mmapped data
494: */
495: if (buffer_dirty(bh))
496: goto confused;
497: if (first_unmapped == blocks_per_page)
498: first_unmapped = page_block;
499: continue;
500: }
//Bart
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