[lxc-users] negative memory usage?

[Narcis Garcia]

I believe it's a bug of the "free" utility, reading incorrectly an
out-of-range number and representing beyond maximum value as signed integer.


El 02/07/15 a les 17:08, Tomasz Chmielewski ha escrit:
> I'm seeing this on F20 privileged container upgraded to F21. How come
> "free" reports negative memory usage?
> 
> The host has 8 GB RAM.
> 
> 
> [root at f21 ~]# free
>               total        used        free      shared  buff/cache  
> available
> Mem:        8176120     -128224     8148216        1132      156128    
> 8148216
> Swap:       8386556           0     8386556
> 
> [root at f21 ~]# free -m
>               total        used        free      shared  buff/cache  
> available
> Mem:           7984 18014398509481858        7957           1        
> 153        7957
> Swap:          8189           0        8189
> 
> [root at f21 ~]# cat /proc/meminfo
> MemTotal:        8176120 kB
> MemFree:         8148348 kB
> MemAvailable:    8148348 kB
> Buffers:               0 kB
> Cached:             8180 kB
> SwapCached:            0 kB
> Active:          1396684 kB
> Inactive:        1129624 kB
> Active(anon):      82980 kB
> Inactive(anon):      996 kB
> Active(file):    1313704 kB
> Inactive(file):  1128628 kB
> Unevictable:           0 kB
> Mlocked:               0 kB
> SwapTotal:       8386556 kB
> SwapFree:        8386556 kB
> Dirty:               980 kB
> Writeback:             0 kB
> AnonPages:         82520 kB
> Mapped:            69668 kB
> Shmem:              1132 kB
> Slab:             155164 kB
> SReclaimable:     124692 kB
> SUnreclaim:        30472 kB
> KernelStack:        3440 kB
> PageTables:         6416 kB
> NFS_Unstable:          0 kB
> Bounce:                0 kB
> WritebackTmp:          0 kB
> CommitLimit:    12474616 kB
> Committed_AS:     217232 kB
> VmallocTotal:   34359738367 kB
> VmallocUsed:      157000 kB
> VmallocChunk:   34359538464 kB
> HardwareCorrupted:     0 kB
> AnonHugePages:      4096 kB
> HugePages_Total:       0
> HugePages_Free:        0
> HugePages_Rsvd:        0
> HugePages_Surp:        0
> Hugepagesize:       2048 kB
> DirectMap4k:       65524 kB
> DirectMap2M:     8323072 kB
> 
> 
>