openEuler20.03-LTS-SP1 raid4 出现D状态

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22.03-LTS-SP1 调用栈
[root@localhost ~]# ps -aux |grep D
USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root        1623  0.0  0.0  17272  6160 ?        Ss   Oct31   0:00 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
root        1630  0.0  0.0  71600  3812 ?        Ssl  Oct31   0:00 /usr/sbin/gssproxy -D
root      124113  0.0  0.0   3348  1584 ?        Ds   Oct31   0:00 /sbin/mdadm --monitor --scan --syslog -f --pid-file=/run/mdadm/mdadm.pid
root      126458  0.0  0.0   3116  1712 ?        D    Oct31   0:00 /usr/sbin/mdadm --detail --no-devices --export /dev/md2
root      126589  0.0  0.0   2668  1384 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126590  0.0  0.0   2668   128 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126591  0.0  0.0   2804  1432 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126592  0.0  0.0   2668   128 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126593  0.0  0.0   2672  1468 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126594  0.0  0.0   2804  1464 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126595  0.0  0.0   2668   128 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      126596  0.0  0.0   2668   128 pts/0    D<   Oct31   0:00 /opt/fsstress/fsstress -d /mnt/ -p 8 -n 500 -l 50
root      127097  0.0  0.0  20804   768 pts/0    D<+  Oct31   0:00 sync
root      128600  0.0  0.0   3116  1696 ?        D    Oct31   0:00 /usr/sbin/mdadm --detail --no-devices --export /dev/md2
root      130395  0.0  0.0   3116  1716 ?        D    Oct31   0:00 /usr/sbin/mdadm --detail --no-devices --export /dev/md2
root      132190  0.0  0.0   3116  1604 ?        D    Oct31   0:00 /usr/sbin/mdadm --detail --no-devices --export /dev/md2
root      711174  0.0  0.0   3116  1708 pts/1    D+   09:40   0:00 mdadm -D /dev/md2
root      733619  0.0  0.0  21724  1920 pts/2    S+   10:17   0:00 grep --color=auto D
[root@localhost ~]# cat /proc/126458/stack
[<0>] __switch_to+0x7c/0xbc
[<0>] wait_on_page_bit+0x1fc/0x3f4
[<0>] wait_on_page_read+0x54/0x1dc
[<0>] do_read_cache_page+0x19c/0x590
[<0>] read_cache_page+0x1c/0x30
[<0>] read_part_sector+0x50/0x190
[<0>] read_lba+0xcc/0x1f0
[<0>] find_valid_gpt.constprop.0+0xcc/0x36c
[<0>] efi_partition+0x6c/0x360
[<0>] check_partition+0x114/0x220
[<0>] blk_add_partitions+0x44/0x1c0
[<0>] bdev_disk_changed+0xb8/0x154
[<0>] __blkdev_get+0x474/0x7b4
[<0>] blkdev_get+0x58/0xec
[<0>] blkdev_open+0x9c/0xb4
[<0>] do_dentry_open+0x134/0x404
[<0>] vfs_open+0x34/0x40
[<0>] do_open+0x1dc/0x30c
[<0>] path_openat+0x114/0x1e0
[<0>] do_filp_open+0x88/0x140
[<0>] do_sys_openat2+0x210/0x2f0
[<0>] __arm64_sys_openat+0x70/0xc0
[<0>] el0_svc_common.constprop.0+0x7c/0x1bc
[<0>] do_el0_svc+0x2c/0xa4
[<0>] el0_svc+0x20/0x30
[<0>] el0_sync_handler+0xb0/0xb4
[<0>] el0_sync+0x160/0x180
[root@localhost ~]# cat /proc/128600/stack
[<0>] __switch_to+0x7c/0xbc
[<0>] __blkdev_get+0xd8/0x7b4
[<0>] blkdev_get+0x58/0xec
[<0>] blkdev_open+0x9c/0xb4
[<0>] do_dentry_open+0x134/0x404
[<0>] vfs_open+0x34/0x40
[<0>] do_open+0x1dc/0x30c
[<0>] path_openat+0x114/0x1e0
[<0>] do_filp_open+0x88/0x140
[<0>] do_sys_openat2+0x210/0x2f0
[<0>] __arm64_sys_openat+0x70/0xc0
[<0>] el0_svc_common.constprop.0+0x7c/0x1bc
[<0>] do_el0_svc+0x2c/0xa4
[<0>] el0_svc+0x20/0x30
[<0>] el0_sync_handler+0xb0/0xb4
[<0>] el0_sync+0x160/0x180
[root@localhost ~]#

src-openEuler/kernel

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