Public bug reported:

At bootup I end up in busybox and I see the following message on the top of the 
screen "Gave up waiting for root device"
Actually I think that my hard drive "falls asleep" just after leaving grub. 
When I'm in the busybox I need to unplug my hard drive (serial ata) and to plug 
it again so that I can hear that it's restarting. After doing that I type exit 
in the busybox and the boot process restarts normally.
Dmesg shows me that:

[ 9.672007] ata3: link is slow to respond, please be patient (ready=0)          
 
[   14.320007] ata3: COMRESET failed (errno=-16)                                
    
[   19.680006] ata3: link is slow to respond, please be patient (ready=0)       
    
[   24.328007] ata3: COMRESET failed (errno=-16)                                
    
[   29.688007] ata3: link is slow to respond, please be patient (ready=0)       
    
[   59.092004] ata3: COMRESET failed (errno=-16)                                
    
[   59.092004] ata3: limiting SATA link speed to 1.5 Gbps                       
    
[   59.688009] ata3: SATA link down (SStatus 0 SControl 310)                    
    
[   60.164017] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300)           
    
[   60.196367] ata4.00: HPA detected: current 160834367, native 160836480       
    
[   60.196371] ata4.00: ATA-6: HDS722580VLSA80, V32OA6MA, max UDMA/100          
    
[   60.196373] ata4.00: 160834367 sectors, multi 16: LBA48                  

The COMRESET thing continues as far as I don't unplug and plug again my
hard drive.

I'm not sure this bug concerns only Ubuntu because I tried recently other 
distributions with the same kernel and I get the same error (Debian and pmagic 
liveCD) So I think this bug is concerning the kernel 2.6.26 but I don't know 
how to report this bug upstream.
I also have to tell you that it's a SATA II hard drive (3gbps) on a (nforce 3) 
SATA I controller (1.5gbps). And it appears that the controller does not fully 
support the hard drive (or the SATA I retro-compatibility of the hard drive is 
malfunctioning I don't know) But with older kernel it did always work without 
any problem.

I'm running intrepid ibex up-to-date, kernel  2.6.26-5-generic
Please tell me if I should attach the entire dmesg or anything.
Thanks

** Affects: ubuntu
     Importance: Undecided
         Status: New

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ata3: COMRESET failed (errno=-16) 
https://bugs.launchpad.net/bugs/256637
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