Re: SATA (Serial ATA) support in 2.4.x?

[Erik Steffl <steffl@bigfoot.com>]

Jeff Garzik wrote:
> On Fri, Jul 25, 2003 at 11:50:16AM -0700, Erik Steffl wrote:
> 
>>  I am specifically interested whether it should support disks above 
>>137GB (as I have problems accessing anything above 137GB on 250GB SATA 
>>drive)
> 
> 
> It should.
> 
> I will be testing this when I return from OLS, next week.

   any news?

   I have found that /var/log/kern.log has following messages (when 
trying to access blocks above 137GB, using e.g. badblocks):

Jul 29 00:41:02 jojda kernel: Attached scsi disk sda at scsi0, channel 
0, id 0, lun 0
Jul 29 00:41:02 jojda kernel: SCSI device sda: 490234752 512-byte hdwr 
sectors (251000 MB)
Jul 29 00:41:03 jojda kernel:  sda: sda1
Jul 29 00:47:41 jojda kernel:  I/O error: dev 08:00, sector 268435456
Jul 29 00:47:41 jojda kernel:  I/O error: dev 08:00, sector 268435456
Jul 29 00:47:41 jojda kernel:  I/O error: dev 08:00, sector 268435472
Jul 29 00:47:41 jojda kernel:  I/O error: dev 08:00, sector 268435456
Jul 29 00:47:41 jojda kernel:  I/O error: dev 08:00, sector 268435456
Jul 29 00:47:41 jojda kernel:  I/O error: dev 08:00, sector 268435464
Jul 29 00:47:41 jojda last message repeated 3 times

   I have found where these are coming from (drivers/scsi/scsi_lib.c) 
but  it's in fairly generic error routine that is called from number of 
places so it doesn't explain anything to me... (I'll take a look at it 
again but considering that I have almost zero experience with kernel 
programming it probably will not be very useful)

   this is using linux-2.4.21-ac4 kernel (scsi sata, as above messages show)

	erik