Cc raid and dm list. On Thu, May 16, 2024 at 06:24:18PM +0800, Changhui Zhong wrote: > Hello, > > when create lvm raid1, the command hang on for a long time. > please help check it and let me know if you need any info/testing for > it, thanks. > > repo:https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git > branch:for-next > commit: 59ef8180748269837975c9656b586daa16bb9def > > reproducer: > dd if=/dev/zero bs=1M count=2000 of=file0.img > dd if=/dev/zero bs=1M count=2000 of=file1.img > dd if=/dev/zero bs=1M count=2000 of=file2.img > dd if=/dev/zero bs=1M count=2000 of=file4.img > losetup -fP --show file0.img > losetup -fP --show file1.img > losetup -fP --show file2.img > losetup -fP --show file3.img > pvcreate -y /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3 > vgcreate black_bird /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3 > lvcreate --type raid1 -m 3 -n non_synced_primary_raid_3legs_1 -L 1G > black_bird /dev/loop0:0-300 /dev/loop1:0-300 > /dev/loop2:0-300 /dev/loop3:0-300 > > > console log: > May 21 21:57:41 dell-per640-04 journal: Create raid1 > May 21 21:57:41 dell-per640-04 kernel: device-mapper: raid: > Superblocks created for new raid set > May 21 21:57:42 dell-per640-04 kernel: md/raid1:mdX: not clean -- > starting background reconstruction > May 21 21:57:42 dell-per640-04 kernel: md/raid1:mdX: active with 4 out > of 4 mirrors > May 21 21:57:42 dell-per640-04 kernel: mdX: bitmap file is out of > date, doing full recovery > May 21 21:57:42 dell-per640-04 kernel: md: resync of RAID array mdX > May 21 21:57:42 dell-per640-04 systemd[1]: Started Device-mapper event daemon. > May 21 21:57:42 dell-per640-04 dmeventd[42170]: dmeventd ready for processing. > May 21 21:57:42 dell-per640-04 dmeventd[42170]: Monitoring RAID device > black_bird-non_synced_primary_raid_3legs_1 for events. > May 21 21:57:45 dell-per640-04 restraintd[1446]: *** Current Time: Tue > May 21 21:57:45 2024 Localwatchdog at: Tue May 21 22:56:45 2024 > May 21 21:58:45 dell-per640-04 restraintd[1446]: *** Current Time: Tue > May 21 21:58:45 2024 Localwatchdog at: Tue May 21 22:56:45 2024 > May 21 21:59:45 dell-per640-04 restraintd[1446]: *** Current Time: Tue > May 21 21:59:45 2024 Localwatchdog at: Tue May 21 22:56:45 2024 > May 21 21:59:53 dell-per640-04 kernel: INFO: task mdX_resync:42168 > blocked for more than 122 seconds. > May 21 21:59:53 dell-per640-04 kernel: Not tainted 6.9.0+ #1 > May 21 21:59:53 dell-per640-04 kernel: "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > May 21 21:59:53 dell-per640-04 kernel: task:mdX_resync state:D > stack:0 pid:42168 tgid:42168 ppid:2 flags:0x00004000 > May 21 21:59:53 dell-per640-04 kernel: Call Trace: > May 21 21:59:53 dell-per640-04 kernel: <TASK> > May 21 21:59:53 dell-per640-04 kernel: __schedule+0x222/0x670 > May 21 21:59:53 dell-per640-04 kernel: ? blk_mq_flush_plug_list+0x5/0x20 > May 21 21:59:53 dell-per640-04 kernel: schedule+0x2c/0xb0 > May 21 21:59:53 dell-per640-04 kernel: raise_barrier+0x107/0x200 [raid1] > May 21 21:59:53 dell-per640-04 kernel: ? > __pfx_autoremove_wake_function+0x10/0x10 > May 21 21:59:53 dell-per640-04 kernel: raid1_sync_request+0x12d/0xa50 [raid1] > May 21 21:59:53 dell-per640-04 kernel: ? > __pfx_raid1_sync_request+0x10/0x10 [raid1] > May 21 21:59:53 dell-per640-04 kernel: md_do_sync+0x660/0x1040 > May 21 21:59:53 dell-per640-04 kernel: ? > __pfx_autoremove_wake_function+0x10/0x10 > May 21 21:59:53 dell-per640-04 kernel: md_thread+0xad/0x160 > May 21 21:59:53 dell-per640-04 kernel: ? __pfx_md_thread+0x10/0x10 > May 21 21:59:53 dell-per640-04 kernel: kthread+0xdc/0x110 > May 21 21:59:53 dell-per640-04 kernel: ? __pfx_kthread+0x10/0x10 > May 21 21:59:53 dell-per640-04 kernel: ret_from_fork+0x2d/0x50 > May 21 21:59:53 dell-per640-04 kernel: ? __pfx_kthread+0x10/0x10 > May 21 21:59:53 dell-per640-04 kernel: ret_from_fork_asm+0x1a/0x30 > May 21 21:59:53 dell-per640-04 kernel: </TASK> > > > -- > Best Regards, > Changhui >
-- Ming
