Re: ext2_free_blocks (fwd)

From: Guest section DW (dwguest@win.tue.nl)
Date: Tue Jan 18 2000 - 13:52:58 EST


On Tue, Jan 18, 2000 at 05:08:29PM +0100, Andrea Arcangeli wrote:
> On Tue, 18 Jan 2000, Marc Peiser wrote:
>
> >I'm running Slackware 4.0 on a 18Gb SCSI Disk. The machine went down and I
> >found these errors in the syslog file. I ran fsck -f /dev/sda3 but it
> >didn't find any errors. I also upgraded the kernel from 2.2.10 to 2.2.14
> >and everything seems to be ok now. But I really need to know what this
> >means. Does anyone know?
>
> Does the below errors happened after after you ugpraded to 2.2.14?
>
> >Jan 10 02:33:36 eric kernel: EXT2-fs error (device sd(8,3)):
> >ext2_free_blocks: Freeing blocks not in datazone - block = 791624304,
> >count = 1
> >Jan 10 02:33:36 eric kernel: EXT2-fs error (device sd(8,3)):
> >ext2_free_blocks: Freeing blocks not in datazone - block = 779581303,
> >count = 1
> >Jan 10 02:33:36 eric kernel: EXT2-fs error (device sd(8,3)):
> >ext2_free_blocks: Freeing blocks not in datazone - block = 1886349427,
> >count = 1
> >Jan 10 02:33:36 eric kernel: EXT2-fs error (device sd(8,3)): A
> >ext2_free_blocks: Freeing blocks not in datazone - block = 1918987635,
> >count = 1
>
> That means somebody tried to mark a metadata block as free. ext2 prevents
> this and printk a warning. It means some severe fs corruption is going on.

But Andrea, have you seen those block numbers?
1918987635='smar' 1886349427='shop' 779581303='www.' 791624304='p://'

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