On Wed, May 26, 2010 at 01:21:25PM +0200, Jens Axboe wrote: > Not good, can you see if reverting 7c8a3554 makes it go away? Reverting back to the revision before 7c8a3554 gives me lots of warnings ala: [ 178.253431] ------------[ cut here ]------------ [ 178.256845] WARNING: at /home/hch/work/linux-2.6/fs/fs-writeback.c:596 writeback_inodes_wb+0x423/0x440() [ 178.259995] Hardware name: Bochs [ 178.261270] Modules linked in: [ 178.262508] Pid: 2298, comm: flush-253:16 Tainted: G W 2.6.34-rc5 #121 [ 178.265199] Call Trace: [ 178.266210] [<c08d86ca>] ? printk+0x18/0x1a [ 178.267597] [<c0162d0d>] warn_slowpath_common+0x6d/0xa0 [ 178.269296] [<c0216ff3>] ? writeback_inodes_wb+0x423/0x440 [ 178.271348] [<c0216ff3>] ? writeback_inodes_wb+0x423/0x440 [ 178.273121] [<c0162d55>] warn_slowpath_null+0x15/0x20 [ 178.274681] [<c0216ff3>] writeback_inodes_wb+0x423/0x440 [ 178.276390] [<c0217111>] wb_writeback+0x101/0x1b0 [ 178.277846] [<c01a9a79>] ? __call_rcu+0x99/0x130 [ 178.279287] [<c01a9b38>] ? call_rcu+0x8/0x10 [ 178.281110] [<c02161fa>] ? wb_clear_pending+0x7a/0xa0 [ 178.282673] [<c021728f>] wb_do_writeback+0xcf/0x1a0 [ 178.284239] [<c02171e0>] ? wb_do_writeback+0x20/0x1a0 [ 178.285823] [<c021738a>] bdi_writeback_task+0x2a/0x90 [ 178.287371] [<c01dca90>] ? bdi_start_fn+0x0/0xb0 [ 178.288992] [<c01dcae8>] bdi_start_fn+0x58/0xb0 [ 178.290823] [<c01dca90>] ? bdi_start_fn+0x0/0xb0 [ 178.292378] [<c017dc7c>] kthread+0x6c/0x80 [ 178.293711] [<c017dc10>] ? kthread+0x0/0x80 [ 178.295073] [<c013023a>] kernel_thread_helper+0x6/0x1c [ 178.296753] ---[ end trace a7919e7f17c0a80f ]--- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>