Re: [BUG 2.6.21-rc3-git9] SATA NCQ failure with Samsum HD401LJ

[Christian <christiand59@web.de>]

On Monday 19 March 2007 03:48:14 you wrote:
> Christian wrote:
> > On Sunday 18 March 2007 06:43:09 you wrote:
> >> Christian wrote:
> >>>> This does indeed look like a drive side issue to me (the controller is
> >>>> reporting CPBs with response flags 2 which as far as I can tell
> >>>> indicates it's still waiting for the drive to complete the request).
> >>>
> >>> I have been using this hw-config (SATA II, NCQ) since the nvidia ADMA
> >>> support made it in the -mm kernel (maybe around 2.6.19-mm? or even
> >>> earlyer). I'm seeing this problem excessively since I upgraded to
> >>> 2.6.21-rc3-mm1. I think something got broken recently...
> >>
> >> Can you post the result of "hdparm -I /dev/sdX"?
> >
> > Output generated on 2.6.21-rc3-mm1 #3 SMP PREEMPT
> >
> > user@ubuntu:~$ sudo hdparm -I /dev/sda
> >
> > /dev/sda:
> >
> > ATA device, with non-removable media
> >         Model Number:       SAMSUNG HD401LJ
> >         Serial Number:      S0HVJ1FL900207
> >         Firmware Revision:  ZZ100-15
> > Standards:
> >         Used: ATA/ATAPI-7 T13 1532D revision 4a
> >         Supported: 7 6 5 4
> > Configuration:
> >         Logical         max     current
> >         cylinders       16383   16383
> >         heads           16      16
> >         sectors/track   63      63
> >         --
> >         CHS current addressable sectors:   16514064
> >         LBA    user addressable sectors:  268435455
> >         LBA48  user addressable sectors:  781422768
> >         device size with M = 1024*1024:      381554 MBytes
> >         device size with M = 1000*1000:      400088 MBytes (400 GB)
>
> That's a fairly recent drive.  Does the problem go away if you downgrade
> the kernel?

Yes, for me the problem was introduced recently. I have moved around terabytes 
(sic!) on my discs with older kernels and I never got errors.

-Christian