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

[Tejun Heo <htejun@gmail.com>]

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?

-- 
tejun