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SubjectRe: Massive e2fs corruption with 2.2.9/10? (NOT HERE!)
On Thu, 17 Jun 1999, Alan Cox wrote:

> > If I copy a large (650Mb) file to a different filename, then perform a
> > compare on them, I encounter random, different miscompares. I've seen
> > this on several 2.2.9 and 2.2.10 systems.
>
> Ok people is this
>
> SCSI or IDE (or a mix)
> What compiler was used
>
> I'll go try and break my hardisk

Yet another datapoint:

Result: No corruption here. I tested by generating a 200MB /scratch/random
from dd'ing /dev/urandom then copying it and md5sum'ing it.

Kernel:
[root@cocoa /scratch]# cat /proc/version
Linux version 2.2.10-ac2 (root@cocoa) (gcc version 2.7.2.3) #1 Sat Jun 19
23:22:22 BST 1999

Motherboard: Asus P2B, Intel BX

CPU: Intel PII-266

Memory: 1 x 64MB PC100, 1 x 128MB PC100

Discs:
[root@cocoa /scratch]# cat /proc/ide/hd?/model
IBM-DHEA-36481
FUJITSU MPA3035ATU
CR-4801TE
TAEIL CDD-7320T

[root@cocoa /scratch]# cat /proc/ide/hd?/driver
ide-disk version 1.08
ide-disk version 1.08
ide-scsi version 0.6
ide-cdrom version 4.53

[root@cocoa /scratch]# cat /proc/ide/hd?/settings
name value min max mode
---- ----- --- --- ----
bios_cyl 790 0 65535 rw
bios_head 255 0 255 rw
bios_sect 63 0 63 rw
breada_readahead 4 0 127 rw
bswap 0 0 1 r
file_readahead 72 0 2097151 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
max_kb_per_request 122 1 127 rw
multcount 8 0 8 rw
nice1 1 0 1 rw
nowerr 0 0 1 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 1 0 1 rw
using_dma 1 0 1 rw
name value min max mode
---- ----- --- --- ----
bios_cyl 847 0 65535 rw
bios_head 128 0 255 rw
bios_sect 63 0 63 rw
breada_readahead 4 0 127 rw
bswap 0 0 1 r
file_readahead 72 0 2097151 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
max_kb_per_request 122 1 127 rw
multcount 16 0 16 rw
nice1 1 0 1 rw
nowerr 0 0 1 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 1 0 1 rw
using_dma 1 0 1 rw
name value min max mode
---- ----- --- --- ----
bios_cyl 0 0 1023 rw
bios_head 0 0 255 rw
bios_sect 0 0 63 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
log 0 0 1 rw
nice1 1 0 1 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
transform 1 0 3 rw
unmaskirq 1 0 1 rw
using_dma 1 0 1 rw
name value min max mode
---- ----- --- --- ----
breada_readahead 4 0 127 rw
dsc_overlap 1 0 1 rw
file_readahead 72 0 2097151 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
max_kb_per_request 122 1 127 rw
nice1 1 0 1 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 1 0 1 rw
using_dma 1 0 1 rw
Best Regards,
Alex.


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