On Tue, Mar 01, 2011 at 01:54:27PM +0530, Kousik Maiti wrote:
> I get the following error when try to boot one lenovo 3000 N1000 laptop:-
>
> When trying to boot from hard disk:-
> Error 21: Selected disk does not exist...
>
> When booting from live cd. This is the output from dmesg.
> ...
> ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> ata1.00: failed command: READ DMA
> ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
> res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> ata1.00: status: { DRDY }
> ata1: link is slow to respond, please be patient (ready=0)
> ata1: device not ready (errno=-16), forcing hardreset
<snip>
> ata1.00: device reported invalid CHS sector 0
> ata1: EH complete
> Is it the problem with Disk? I have tried with different kernel parameter
> like:- noapic , irqpool ,libata.dma=0 .
> But not succeeded .
> And during boot from live cd noise(like droping plastic ball on floor) is
> coming.
>
If you're able to open the laptop and get to the disk easily - usually via
small cover on the bottom -
check that the disk is firmly connected to the connector / cable.
ELSE
Very dead disk, by the sounds of it. If the sound you're hearing is like a
"tick tick tick" - it's usually
the results of a disk having hit the floor or something similar: the reader on
the disk heads continually
tries to get to a position and fails, returns, tries again ...
If the machine will boot from a USB stick - try using the Squeeze installer on
a USB - that will also eliminate
any problem with the CD drive itself
Take care,
AndyC
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