Hi It is similar to http://lkml.org/lkml/2009/2/6/304, http://bugzilla.kernel.org/show_bug.cgi?id=12579 I run dbench on ext4 on loop on ext3 on sparc. The kernel is 2.6.29-rc7-next-20090310 e2fsprogs -1.41.4 ioctl32(mkfs.ext4:1668): Unknown cmd fd(3) cmd(40041272){t:12;sz:4} arg(ffb2ce60) on /testfs ioctl32(mkfs.ext4:1668): Unknown cmd fd(3) cmd(20001260){t:12;sz:0} arg(ffb2ce6c) on /testfs ioctl32(mkfs.ext4:1668): Unknown cmd fd(3) cmd(401c0204){t:02;sz:28} arg(ffb2ce44) on /testfs ioctl32(mkfs.ext4:1668): Unknown cmd fd(3) cmd(20001268){t:12;sz:0} arg(ffb2d564) on /testfs ioctl32(mkfs.ext4:1668): Unknown cmd fd(3) cmd(2000125e){t:12;sz:0} arg(ffb2ce6c) on /testfs EXT4-fs: barriers enabled EXT4 FS on loop0, internal journal on loop0:8 EXT4-fs: delayed allocation enabled EXT4-fs: file extents enabled EXT4-fs: mballoc enabled EXT4-fs: mounted filesystem loop0 with ordered data mode kjournald2 starting: pid 1672, dev loop0:8, commit interval 5 seconds JBD: barrier-based sync failed on loop0:8 - disabling barriers INFO: task kjournald2:1672 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kjournald2 D 0000000000557a0c 0 1672 2 Call Trace: [0000000000768bcc] schedule+0x18/0x40 [0000000000557a0c] jbd2_journal_commit_transaction+0x208/0x1718 [000000000055d758] kjournald2+0x14c/0x318 [0000000000465d34] kthread+0x48/0x7c [000000000042b364] kernel_thread+0x3c/0x54 [0000000000465c88] kthreadd+0xc8/0x12c INFO: lockdep is turned off. INFO: task dbench:1674 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. dbench D 000000000055716c 0 1674 1673 Call Trace: [0000000000768bcc] schedule+0x18/0x40 [000000000055716c] start_this_handle+0x374/0x508 [0000000000557500] jbd2_journal_start+0xbc/0x11c [000000000053a438] ext4_journal_start_sb+0x5c/0x84 [000000000052a9b8] ext4_dirty_inode+0xd4/0xf0 [00000000004d1a14] __mark_inode_dirty+0x2c/0x188 [00000000004c7714] touch_atime+0x160/0x178 [00000000004c2a3c] vfs_readdir+0x88/0xb0 [00000000004eab90] compat_sys_getdents+0x3c/0x8c [0000000000406154] linux_sparc_syscall32+0x34/0x40 -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
