Re: ext4: initial error at 1288471943: ext4_mb_generate_buddy:718

[Mathias BurÃn]

On 13 December 2010 23:13, Mathias BurÃn <mathias.buren@xxxxxxxxx> wrote:
> Hi, I'm running 2.6.36 and I'm seeing this about once per day in dmesg:
>
> EXT4-fs (dm-0): error count: 1
> EXT4-fs (dm-0): initial error at 1288471943: ext4_mb_generate_buddy:718
> EXT4-fs (dm-0): last error at 1288471943: ext4_mb_generate_buddy:718
>
> uptime && dmesg | grep ' last error at 1288471943' | wc -l
> Â23:08:29 up 20 days, Â5:46, Â1 user, Âload average: 0.69, 0.85, 0.83
>
> e2fsprogs 1.41.12-1
> lvm2 2.02.78-1
>
> As you can see it's always the exact same message. I've run fsck on
> the system and no errors were found. dm-0 is the root filesystem, it
> all looks like this:
>
>
> lrwxrwxrwx 1 root root 7 Nov 23 17:22 /dev/mapper/lvmssd-root -> ../dm-0
>
> Â--- Volume group ---
> ÂVG Name        lvmssd
> ÂSystem ID
> ÂFormat        Âlvm2
> ÂMetadata Areas    Â1
> ÂMetadata Sequence No Â27
> ÂVG Access       read/write
> ÂVG Status       resizable
> ÂMAX LV Â Â Â Â Â Â Â Â0
> ÂCur LV Â Â Â Â Â Â Â Â1
> ÂOpen LV Â Â Â Â Â Â Â 1
> ÂMax PV Â Â Â Â Â Â Â Â0
> ÂCur PV Â Â Â Â Â Â Â Â1
> ÂAct PV Â Â Â Â Â Â Â Â1
> ÂVG Size        53.80 GiB
> ÂPE Size        4.00 MiB
> ÂTotal PE Â Â Â Â Â Â Â13772
> ÂAlloc PE / Size    13772 / 53.80 GiB
> ÂFree ÂPE / Size    0 / 0
> ÂVG UUID Â Â Â Â Â Â Â 4jqUcB-jEzl-pKT1-mcPU-soCV-2YXT-cuTk9v
>
> ...
>
> Âhdparm -i /dev/sda
>
> /dev/sda:
>
> ÂModel=Corsair CSSD-F60GB2, FwRev=1.1, SerialNo=10326505580009990027
> ÂConfig={ Fixed }
> ÂRawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
> ÂBuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=1
> ÂCurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=117231408
> ÂIORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
> ÂPIO modes: Âpio0 pio1 pio2 pio3 pio4
> ÂDMA modes: Âmdma0 mdma1 mdma2
> ÂUDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
> ÂAdvancedPM=no WriteCache=enabled
> ÂDrive conforms to: unknown: ÂATA/ATAPI-2,3,4,5,6,7
>
> Â* signifies the current active mode
>
> Is this message dangerous? Can I disable it somehow? Why is it showing up? Etc.
>
>
> Thanks,
> // Mathias
>

Oh, and can you please cc me as I'm not subscribed!

// Mathias
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