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List:       smartmontools-support
Subject:    Re: [smartmontools-support] System will busy AND STUCK for seconds during executing "smartctl.exe -a
From:       Christian Franke <Christian.Franke () t-online ! de>
Date:       2012-03-20 20:33:33
Message-ID: 4F68E99D.1030108 () t-online ! de
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Hi Davis,

thanks for the summary.

Meantime I could reproduce the problem on a Z68 board with the following 
disks:
SAMSUNG HD501LJ
Hitachi HDS721010KLA330

Both have SMART READ DATA and/or SMART RETURN STATUS command durations 
of ~0.1-0.2 seconds. Problem is most obvious during audio replay. The 
good news is that this does not result in more serious consequences like 
blue screen, hang, data loss or whatever.

Problem only occurs with 32 and 64-bit versions of 
CSMI_SAS_STP_PASSTHRU. The standard IOCTL_ATA_PASS_THROUGH (/dev/sdX) 
shows the same command durations but no problem.

It could also be reproduced using other (closed source) software with 
Intel RAID support like HWiNFO64. So this is very likely an Intel driver 
problem. I will try to contact Intel support.

Thanks,
Christian


Davis wrote:
> Dear Christian,
>
>> Please test if SATA interface resets occur in conjunction with system
>> stucks. Run "smartctl -H -l sataphy ..." several times and observe
>> whether counter with ID 0x000a (COMRESET) or other counters change:
> I tried, but no counter changes.
>
> I summarized the test result, hope it could help you trace the problem:
>
> OS:
> Windows 7 32bit, 64bit
>
> MB:
> Intel P55, H55, Q67, and some other Intel chipset MB with ICH9R south bridge
>
> MB vender:
> Asus P55 / Gigabyte H55 / Gigabyte Q67
>
> Tested Intel RST driver version:
> 10.8.0.1003
> 11.0.0.1032
>
> Excute command:
> "smartctl.exe -a /dev/csmiX,X"
> "smartctl.exe -H /dev/csmiX,X"
>
> Each disks are connected to SATA ports with RAID-enable in BIOS , but not config as RAID member.
>
> Tested disk set:                                             Result:
> WD WD1002FAEX (1TB) * 2                      all works great and smooth
> WD WD1003FBYX (1TB) * 1                      all works great and smooth
> WD WD5000AAKS (500GB) * 1                 all works great and smooth
> Hitachi HDS723020BLA642  (2TB) * 2       system seriously delay for 1~2 seconds for each disk
> Hitachi HDS721010CLA632  (1TB) * 2       system seriously delay for 1~2 seconds for each disk
> Seagate ST33000651AS (3TB) * 1               all works great and smooth
> Toshiba MK7559GSXP (750GB) * 2            system slightly delay for<1 seconds for each disk
> Seagate ST3500418AS (500GB) * 2             system slightly delay for<1 seconds for each disk
>
> 1.Different MB, different driver version, different OS, different PCs will have the same result.
> 2.Hitachi disks always reproduce the problem at different PCs.
> 3.It seems SMART related commands will cause the delay problem.
>
>
> Best Regards,
>
> Davis
>
>


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