On Mar 18, 2008 10:49 +0100, Solofo.Ramangalahy@xxxxxxxx wrote: > During stress testing (workload: racer from ltp + fio/iometer), here > is an error I am encountering: > 8<------------------------------------------------------------------------------ > kernel: WARNING: at fs/buffer.c:1680 __block_write_full_page+0xd4/0x2af() > kernel: Modules linked in: > kernel: Pid: 13113, comm: dd Not tainted 2.6.25-rc5-ext4-36c86 #2 You should print out the page->mapping->host->i_ino in this message and then you can possibly examine the filesystem to see if it is a corrupt block allocation, or possibly random garbage in the block. > kernel: [<ffffffff8025da55>] balance_dirty_pages_ratelimited_nr+0x186/0x2f8 > kernel: [<ffffffff80258119>] generic_file_buffered_write+0x1f5/0x622 > kernel: [<ffffffff802f6091>] ext4_mark_iloc_dirty+0x459/0x4cc > kernel: [<ffffffff80317b48>] jbd2_journal_stop+0x24b/0x257 > kernel: [<ffffffff80258889>] __generic_file_aio_write_nolock+0x343/0x377 > kernel: [<ffffffff80258921>] generic_file_aio_write+0x64/0xc4 > kernel: [<ffffffff802f42c3>] ext4_file_write+0xa0/0x125 > kernel: [<ffffffff8027e4e0>] do_sync_write+0xd1/0x118 > kernel: [<ffffffff8023f2c5>] autoremove_wake_function+0x0/0x2e > kernel: [<ffffffff8027ec31>] vfs_write+0xad/0x136 > kernel: [<ffffffff8027f166>] sys_write+0x45/0x6e > kernel: [<ffffffff8020b04b>] system_call_after_swapgs+0x7b/0x80 > kernel: > kernel: ---[ end trace 05e1c77d40267d33 ]--- > kernel: attempt to access beyond end of device > kernel: sdc: rw=1, want=355304755152, limit=16064512 > kernel: lost page write due to I/O error on sdc Hmm, is this filesystem formatted with 64BIT? We shouldn't be getting 64-bit block numbers otherwise. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html