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SubjectRe: OOPS: CRITICAL BUG IN KERNEL 2.4.0 and 2.4.1
On Sun, Feb 11, 2001 at 05:33:35AM -0200, Marcel Silva e Sousa wrote:
> Hi all, i see a critical bug in kernel version 2.4.0 and 2.4.1, look it:
>
> My Hard Disk:
> hda: IBM-DPTA-372730, ATA DISK drive
> hda: 53464320 sectors (27374 MB) w/1961KiB Cache, CHS=3328/255/63, UDMA(33)
>
> [root@john /]:: df -h
> Filesystem Size Used Avail Use% Mounted on
> /dev/hda1 5.4G 3.7G 1.5G 71% /
> /dev/hda2 143G 136G 6.8G 95% /mnt/hda2
> [root@john /]::
>
> When i had kernel 2.2.18 i did not have this problem....

Hmm. df is not the kernel.

But df does a statfs system call, and something might be broken,
especially if you have an unusual filesystem type.
You might report on (i) what filesystem type lives on /dev/hda2?
(ii) what does "strace -e statfs df" say? What df outputs in the
"Size" column is the value of f_blocks.

Of course, if you write garbage to the size field of some superblock,
then the kernel will happily report it - there need not be a bug.
But now that you say "2.2.18 did not have this problem":
what is the 2.2.18 df output?
What is the "dmesg | grep hda" on both 2.4 and 2.2?
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