Re: wd0 dos error

[Philip Miller <sighoya%gmail.com@localhost>]

On 03/01/13 16:10, Greg Troxel wrote:
> (This does not belong on tech-kern.  You are having a user problem and we
> don't have any reason to believe there is a kernel issue yet.  I have
> redirected it once again.)
>
>
> You have not posted the dmesg of the controllers, just the drive.  wd0
> is at atabus3.  But atabus3 is at something.   You should read carefully
> and understand your entire dmesg.
>
> You left out the controller for scsibus0.  All of these things matter,
> and people trying to help you need to understand what is going on.
>
>    Where to paste the 0x0002 flag?. In KERNEL config or in another file?
>
> Yes, in the kernel config.   See the NetBSD Guide about building your
> own kernels.
>
> With dd, the idea is to read all of each disk to see if you get errors.
> Read the man page and understand all the arguments below first.  Do not
> mess up if vs of!
>
> So do:
>    dd if=/dev/rsd0d of=/dev/null bs=256k
> and see what happens.  You can type ^T to get interim status.
>
> Then, move on to each other disk
>    dd if=/dev/rwd0d of=/dev/null bs=256k
>
> and record all the data/errors.  The big question is whether it's just
> wd0d or if it's all 4 of them.
>
> Note that the 'd' partition is for the whole disk.
All wd's are checked.
In
1.) IDE MODE:
sd0 work
 all wd[1-3] work properly except wd0, no errors are record
wd0:
0+0 records in
0+0 records out
0 bytes transferred in 10.082 secs (0 bytes/sec)
dd: /dev/rwd0d: Input/output error
0+0 records in
0+0 records out
0 bytes transferred in 10.083 secs (0 bytes/sec)

2.) In AHCI Mode:
sd0 work.
all wd[0-3] work properly.