When launching a web browser in normal desktop usage, I get this and the disk mounted read only: [ 1101.535101] EXT4-fs error (device sda1) in ext4_reserve_inode_write: Journal has aborted [ 1101.535114] Remounting filesystem read-only [ 1101.535622] EXT4-fs error (device sda1) in ext4_reserve_inode_write: Journal has aborted [ 1101.535637] EXT4-fs error (device sda1) in ext4_dirty_inode: Journal has aborted [ 1101.535669] mpage_da_map_blocks block allocation failed for inode 1867 at logical offset 0 with max blocks 1 with error -30 [ 1101.535681] This should not happen.!! Data will be lost [ 1101.535703] ext4_da_writepages: jbd2_start: 1024 pages, ino 1867; err -30 [ 1101.535716] Pid: 26, comm: pdflush Not tainted 2.6.29.1 #12 [ 1101.535724] Call Trace: [ 1101.535744] [<c038602c>] ? printk+0x18/0x1c [ 1101.535862] [<c01e5999>] ext4_da_writepages+0x409/0x430 [ 1101.535879] [<c01e7670>] ? ext4_da_get_block_write+0x0/0x210 [ 1101.535893] [<c01e5590>] ? ext4_da_writepages+0x0/0x430 [ 1101.535907] [<c0174f6e>] do_writepages+0x2e/0x50 [ 1101.535921] [<c01b4748>] __writeback_single_inode+0x88/0x500 [ 1101.535936] [<c0122957>] ? set_next_entity+0x97/0x180 [ 1101.535950] [<c01b4f73>] generic_sync_sb_inodes+0x283/0x410 [ 1101.535963] [<c01b52b7>] writeback_inodes+0x47/0xd0 [ 1101.535975] [<c01750e2>] wb_kupdate+0xb2/0x120 [ 1101.535988] [<c01761d2>] pdflush+0x112/0x1d0 [ 1101.536000] [<c0175030>] ? wb_kupdate+0x0/0x120 [ 1101.536160] [<c01760c0>] ? pdflush+0x0/0x1d0 [ 1101.536173] [<c0144e6c>] kthread+0x3c/0x70 [ 1101.536184] [<c0144e30>] ? kthread+0x0/0x70 [ 1101.536198] [<c0103cdb>] kernel_thread_helper+0x7/0x1c [ 1101.536417] journal commit I/O error -- 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