Bug#360072: linux-image-2.6.15-1-486: Fails to detect SCSI drives during boot

[maximilian attems <maks@sternwelten.at>]

tags 360072 moreinfo
stop

On Thu, Mar 30, 2006 at 02:00:46PM +0100, Juliet Kemp wrote:
> On bootup, the machine recognises the SCSI drives & controller in their
> proper locations, then output is as follows:
> 
> Begin: Mounting root file systems
> Begin: Running /scripts/local-top
> Done.
> ALERT!  /dev/sda2 does not exist.  Dropping to a shell!
> 
> The BusyBox shell then starts & gives a prompt.  5-10 secs later this
> output is generated:
> 
> SCSI device sda: 143374650 512-byte hdwr sectors (73408MB)
> SCSI device sda: drive cache: write back
> SCSI device sda: 143374650 512-byte hdwr sectors (73408MB)
> SCSI device sda: drive cache: write back
> sda: sda1 sda2 sda3 sda4 < sda5 >
> 
> then similar output for sdb.  
> 
> Hitting return after this gives a BusyBox prompt; then typing exit exits
> from the shell & boot continues without further issues.  (although note
> that if you didn't know this was possible, there is no indication that
> this will succeed).  
> 
> i.e. it looks as if there is an ordering/timing problem with the
> recognition/pickup of the drives.  
> 
> Drives are Seagate ST373207LW (both 73GB); controller is Adaptec AIC7902
> Ultra320 SCSI adapter (driver is ACI79XX PCI-X SCSI HBA DRIVER, Rev
> 1.3.11).  
> 
> I'd be happy to provide more information/logs etc.  

please send the ouput of 
cat /proc/cmdline


regards
--
maks