Only /proc/cpuinfo is empty or null

[chewmunk]

Only /proc/cpuinfo is empty or null; other information is well visible.

k8s node in /var/lib/lxc/lcxfs/proc

Please tell me how to restore the node without rebooting it in order not to affect the other pods you are using.

lxcfs-ds-pod log /usr/bin/lxcfs --debug --enable-loadavg --enable-cfs /var/lib/lxc/lxcfs Running constructor lxcfs_init to reload liblxcfs mount namespace: 5 hierarchies: 0: fd: 6: cpuset,cpu,io,memory,hugetlb,pids,rdma,misc Kernel supports pidfds Kernel does not support swap accounting api_extensions:

• cgroups
• sys_cpu_online
• proc_cpuinfo
• proc_diskstats
• proc_loadavg
• proc_meminfo
• proc_stat
• proc_swaps
• proc_uptime
• proc_slabinfo
• shared_pidns
• cpuview_daemon
• loadavg_daemon
• pidfds FUSE library version: 3.16.2 nullpath_ok: 0 unique: 2, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0 INIT: 7.34 flags=0x33fffffb max_readahead=0x00020000 INIT: 7.38 flags=0x0040f039 max_readahead=0x00020000 max_write=0x00100000 max_background=0 congestion_threshold=0 time_gran=1 unique: 2, success, outsize: 80 unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 45, pid: 1864049 LOOKUP /proc getattr[NULL] /proc NODEID: 2 unique: 4, success, outsize: 144 unique: 6, opcode: LOOKUP (1), nodeid: 2, insize: 48, pid: 1864049 LOOKUP /proc/cpuinfo getattr[NULL] /proc/cpuinfo NODEID: 3 unique: 6, success, outsize: 144 unique: 8, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 1864053 getattr[NULL] / unique: 8, success, outsize: 120 unique: 10, opcode: LOOKUP (1), nodeid: 2, insize: 50, pid: 1864055 LOOKUP /proc/diskstats getattr[NULL] /proc/diskstats NODEID: 4 unique: 10, success, outsize: 144 unique: 12, opcode: LOOKUP (1), nodeid: 2, insize: 48, pid: 1864061 LOOKUP /proc/loadavg getattr[NULL] /proc/loadavg NODEID: 5 unique: 12, success, outsize: 144 unique: 14, opcode: LOOKUP (1), nodeid: 2, insize: 48, pid: 1864067 LOOKUP /proc/meminfo getattr[NULL] /proc/meminfo NODEID: 6 unique: 14, success, outsize: 144 unique: 16, opcode: LOOKUP (1), nodeid: 2, insize: 45, pid: 1864073 LOOKUP /proc/stat getattr[NULL] /proc/stat NODEID: 7 unique: 16, success, outsize: 144 unique: 18, opcode: LOOKUP (1), nodeid: 2, insize: 46, pid: 1864080 LOOKUP /proc/swaps getattr[NULL] /proc/swaps NODEID: 8 unique: 18, success, outsize: 144 unique: 20, opcode: LOOKUP (1), nodeid: 2, insize: 47, pid: 1864086 LOOKUP /proc/uptime getattr[NULL] /proc/uptime NODEID: 9 unique: 20, success, outsize: 144 unique: 22, opcode: LOOKUP (1), nodeid: 1, insize: 44, pid: 1864094 LOOKUP /sys getattr[NULL] /sys NODEID: 10 unique: 22, success, outsize: 144 unique: 24, opcode: LOOKUP (1), nodeid: 10, insize: 48, pid: 1864094 LOOKUP /sys/devices getattr[NULL] /sys/devices NODEID: 11 unique: 24, success, outsize: 144 unique: 26, opcode: LOOKUP (1), nodeid: 11, insize: 47, pid: 1864094 LOOKUP /sys/devices/system getattr[NULL] /sys/devices/system NODEID: 12 unique: 26, success, outsize: 144 unique: 28, opcode: LOOKUP (1), nodeid: 12, insize: 44, pid: 1864094 LOOKUP /sys/devices/system/cpu getattr[NULL] /sys/devices/system/cpu NODEID: 13 unique: 28, success, outsize: 144 unique: 30, opcode: LOOKUP (1), nodeid: 13, insize: 47, pid: 1864094 LOOKUP /sys/devices/system/cpu/online getattr[NULL] /sys/devices/system/cpu/online NODEID: 14 unique: 30, success, outsize: 144 unique: 32, opcode: LOOKUP (1), nodeid: 1, insize: 45, pid: 1864391 LOOKUP /proc getattr[NULL] /proc NODEID: 2 unique: 32, success, outsize: 144 unique: 34, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 3382 unique: 34, success, outsize: 96 unique: 36, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 2393381 unique: 36, success, outsize: 96 unique: 38, opcode: OPEN (14), nodeid: 14, insize: 48, pid: 1864861 open flags: 0x8000 /sys/devices/system/cpu/online open[94652746107344] flags: 0x8000 /sys/devices/system/cpu/online unique: 38, success, outsize: 32 unique: 40, opcode: READ (15), nodeid: 14, insize: 80, pid: 1864861 read[94652746107344] 1024 bytes from 0 flags: 0x8000 read[94652746107344] 4 bytes from 0 unique: 40, success, outsize: 20 unique: 42, opcode: FLUSH (25), nodeid: 14, insize: 64, pid: 1864861 flush[94652746107344] unique: 42, success, outsize: 16 unique: 44, opcode: RELEASE (18), nodeid: 14, insize: 64, pid: 0 release[94652746107344] flags: 0x8000 unique: 44, success, outsize: 16 unique: 46, opcode: OPEN (14), nodeid: 9, insize: 48, pid: 1864861 open flags: 0x8000 /proc/uptime open[94652746107536] flags: 0x8000 /proc/uptime unique: 46, success, outsize: 32 unique: 48, opcode: READ (15), nodeid: 9, insize: 80, pid: 1864861 read[94652746107536] 8191 bytes from 0 flags: 0x8000 read[94652746107536] 20 bytes from 0 unique: 48, success, outsize: 36 unique: 50, opcode: OPEN (14), nodeid: 6, insize: 48, pid: 1864861 open flags: 0x8000 /proc/meminfo open[94652746107344] flags: 0x8000 /proc/meminfo unique: 50, success, outsize: 32