On Tue, Dec 02, 2014 at 06:28:20PM +0400, Dmitry Monakhov wrote: > Testcase: > xfstests generic/270 > MKFS_OPTIONS="-q -I 256 -O inline_data,64bit" > > Call Trace: > [<ffffffff81144c76>] lock_page+0x35/0x39 -------> DEADLOCK > [<ffffffff81145260>] pagecache_get_page+0x65/0x15a > [<ffffffff811507fc>] truncate_inode_pages_range+0x1db/0x45c > [<ffffffff8120ea63>] ? ext4_da_get_block_prep+0x439/0x4b6 > [<ffffffff811b29b7>] ? __block_write_begin+0x284/0x29c > [<ffffffff8120e62a>] ? ext4_change_inode_journal_flag+0x16b/0x16b > [<ffffffff81150af0>] truncate_inode_pages+0x12/0x14 > [<ffffffff81247cb4>] ext4_truncate_failed_write+0x19/0x25 > [<ffffffff812488cf>] ext4_da_write_inline_data_begin+0x196/0x31c > [<ffffffff81210dad>] ext4_da_write_begin+0x189/0x302 > [<ffffffff810c07ac>] ? trace_hardirqs_on+0xd/0xf > [<ffffffff810ddd13>] ? read_seqcount_begin.clone.1+0x9f/0xcc > [<ffffffff8114309d>] generic_perform_write+0xc7/0x1c6 > [<ffffffff810c040e>] ? mark_held_locks+0x59/0x77 > [<ffffffff811445d1>] __generic_file_write_iter+0x17f/0x1c5 > [<ffffffff8120726b>] ext4_file_write_iter+0x2a5/0x354 > [<ffffffff81185656>] ? file_start_write+0x2a/0x2c > [<ffffffff8107bcdb>] ? bad_area_nosemaphore+0x13/0x15 > [<ffffffff811858ce>] new_sync_write+0x8a/0xb2 > [<ffffffff81186e7b>] vfs_write+0xb5/0x14d > [<ffffffff81186ffb>] SyS_write+0x5c/0x8c > [<ffffffff816f2529>] system_call_fastpath+0x12/0x17 > > Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx> This patch makes sense but I haven't been able to duplicate the failure. Maybe it's sensitive to the size of the scratch device, or some such? - Ted -- 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