FYI, we noticed the below changes on git://internal_merge_and_test_tree revert-562bef4565ef88e3c7206d5340263c8bb15bd87d-562bef4565ef88e3c7206d5340263c8bb15bd87d commit 562bef4565ef88e3c7206d5340263c8bb15bd87d ("jbd2: speedup jbd2_journal_dirty_metadata()") +-------------------------------------------------+------------+------------+ | | ff5c71687b | 562bef4565 | +-------------------------------------------------+------------+------------+ | boot_successes | 21 | 14 | | boot_failures | 3 | 30 | | BUG:kernel_early_hang_without_any_printk_output | 1 | | | BUG:kernel_test_crashed | 1 | 9 | | BUG:kernel_test_hang | 1 | | | kernel_BUG_at_fs/jbd2/transaction.c | 0 | 21 | | invalid_opcode | 0 | 21 | | RIP:jbd2_journal_dirty_metadata | 0 | 21 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 19 | | backtrace:vfs_write | 0 | 2 | | backtrace:SyS_write | 0 | 2 | | backtrace:do_sys_open | 0 | 9 | | backtrace:SyS_open | 0 | 5 | | backtrace:do_fsync | 0 | 1 | | backtrace:SyS_fsync | 0 | 1 | | backtrace:dio_aio_complete_work | 0 | 1 | | kernel_BUG_at_arch/x86/mm/pageattr.c | 0 | 1 | | RIP:change_page_attr_set_clr | 0 | 1 | | backtrace:do_sys_ftruncate | 0 | 2 | | backtrace:SyS_ftruncate | 0 | 2 | | backtrace:ext4_mark_inode_dirty | 0 | 10 | | backtrace:ext4_ext_tree_init | 0 | 10 | | backtrace:vfs_symlink | 0 | 5 | | backtrace:SyS_symlink | 0 | 5 | | backtrace:SyS_creat | 0 | 4 | | backtrace:vfs_mknod | 0 | 4 | | backtrace:SyS_mknod | 0 | 4 | | backtrace:vfs_mkdir | 0 | 4 | | backtrace:SyS_mkdir | 0 | 4 | | backtrace:vfs_fallocate | 0 | 1 | | backtrace:SyS_fallocate | 0 | 1 | +-------------------------------------------------+------------+------------+ [ 102.884506] EXT4-fs (vda): mounted filesystem with ordered data mode. Opts: acl,user_xattr [ 104.358378] EXT4-fs (vda): mounted filesystem with ordered data mode. Opts: acl,user_xattr [ 106.559948] EXT4-fs (vda): mounted filesystem with ordered data mode. Opts: acl,user_xattr [ 106.831006] kernel BUG at fs/jbd2/transaction.c:1329! [ 106.831006] invalid opcode: 0000 [#1] SMP [ 106.831006] Modules linked in: ipmi_watchdog ipmi_msghandler rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver sg sr_mod cdrom ata_generic pata_acpi cirrus syscopyarea sysfillrect sysimgblt ppdev ttm snd_pcm snd_timer snd drm_kms_helper soundcore microcode serio_raw pcspkr parport_pc ata_piix drm floppy parport libata i2c_piix4 acpi_cpufreq [ 106.831006] CPU: 3 PID: 5968 Comm: dirstress Not tainted 4.1.0-rc4-00034-g562bef4 #13 [ 106.831006] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 106.831006] task: ffff88007f55bb20 ti: ffff880036de8000 task.ti: ffff880036de8000 [ 106.831006] RIP: 0010:[] [] jbd2_journal_dirty_metadata+0x5d/0x280 [ 106.831006] RSP: 0018:ffff880036debbf8 EFLAGS: 00010297 [ 106.831006] RAX: 0000000000000000 RBX: ffff88004084f138 RCX: 0000000000000000 [ 106.831006] RDX: 0000000000a2c029 RSI: ffff88004084f138 RDI: ffff8800408fc000 [ 106.831006] RBP: ffff880036debc38 R08: ffff88004084f138 R09: 0000000000000000 [ 106.831006] R10: ffff880043c65000 R11: 0000000000000000 R12: ffff88003859c400 [ 106.831006] R13: ffff8800409f1e10 R14: ffffffff8190eba0 R15: 0000000000001179 [ 106.831006] FS: 00007feb0b91f700(0000) GS:ffff880076d80000(0000) knlGS:0000000000000000 [ 106.831006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.831006] CR2: 00007feb0a5160d0 CR3: 000000007f7af000 CR4: 00000000000007e0 [ 106.831006] Stack: [ 106.831006] ffff880036debc68 0000000000000246 ffff880036debc38 ffffffff8109c8b6 [ 106.831006] ffff88004084f138 ffff8800408fc000 0000000000000000 ffffffff8190eba0 [ 106.831006] ffff880036debca8 ffffffff812aab4b 0000000000000002 0000000000000000 [ 106.831006] Call Trace: [ 106.831006] [] ? __might_sleep+0x56/0xc0 [ 106.831006] [] __ext4_handle_dirty_metadata+0x9b/0x220 [ 106.831006] [] ? wake_up_bit+0x25/0x30 [ 106.831006] [] ext4_mark_iloc_dirty+0x3f8/0x780 [ 106.831006] [] ? __ext4_journal_get_write_access+0x4e/0x90 [ 106.831006] [] ? ext4_ext_tree_init+0x3a/0x40 [ 106.831006] [] ext4_mark_inode_dirty+0x87/0x210 [ 106.831006] [] ext4_ext_tree_init+0x3a/0x40 [ 106.831006] [] __ext4_new_inode+0x1206/0x1210 [ 106.831006] [] ext4_symlink+0x1ad/0x390 [ 106.831006] [] vfs_symlink+0xb1/0x120 [ 106.831006] [] SyS_symlink+0x65/0xc0 [ 106.831006] [] system_call_fastpath+0x12/0x71 [ 106.831006] Code: e0 02 0f 85 f6 00 00 00 48 8b 16 f7 c2 00 00 02 00 74 1b 4c 8b 6e 40 4d 3b 65 28 75 29 41 83 7d 10 01 75 33 41 83 7d 0c 01 74 08 <0f> 0b 90 b8 8b ff ff ff 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 106.831006] RIP [] jbd2_journal_dirty_metadata+0x5d/0x280 [ 106.831006] RSP [ 106.831001] ------------[ cut here ]------------ [ 106.934973] ---[ end trace cdbb551594ec2bb1 ]--- [ 106.934974] Kernel panic - not syncing: Fatal exception Thanks, Ying Huang ------------------------------------- lkp@eclists.intel.com https://eclists.intel.com/sympa/info/lkp Unsubscribe by sending email to sympa@eclists.intel.com with subject "Unsubscribe lkp"