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Intermittent BSOD, diag says ataport is culprit
Recently I am getting more and more frequently BSODs which nearly always indicate
"Probably caused by : ataport.SYS". My laptop is a SAMSUNG NP300V4A running Win 7 home premium 64 bit and uses a Seagate ST500LM012 HDD.
I am also getting sporadic errors like "not enough timers available" when I open Samsung Support Center, an error from avast! GUI which I found also in the event log as an error:
"AvastUI.exe - Error de aplicación : La instrucción de 0x00000000005A12CC hacía referencia a la memoria en 0x00000000005A12CC. No se pusieron los datos necesarios en la memoria debido a un estado de error de E/S de 0xc0000185."
In English:
"AvastUI.exe - application error: the instruction in 0x00000000005A12CC made reference to the memory in 0x00000000005A12CC. The necessary data had not been set into the memory due to an I/O error state of 0xc0000185."
Frequently I am getting hints to I/O errors, e.g. that certain system files could not be read. When I check these files, they are there and alive and well accessible. SFC did not show any defect system files.
An error that occurred several times (once 9x in a row, another time 20x in a row) was
"El controlador detectó un error de controladora en \Device\Ide\IdePort0." In English:
"The controller found a controller error in \Device\Ide\IdePort0."
Somewhat weird wording, but anyway appears to point to an HDD controller error.
All this made me think of a defect HDD or its controller, but all the HDD or memory tests that I made gave no problems or errors.
I have done the following checks:Now I don't know what to do further and need your help. I would be willing to buy a new HDD if this is the solution, but what if the problem is not the HDD but something in some faulty files or settings? Then I would transfer them to the new HDD when I restore my backup. The resolution of last resort, install everything from scratch would be very time consuming and I would like to avoid it of course. Besides that, I have no original Win7 disk, it's all in a recovery partition on this HD. So changing the disk would make things even more complicated.
- Windows CHKDSK (returns no errors)
- Ran SFC /Scannow (no Errors)
- Checked the HDD controller which is updated and says it's running correctly. I did NOT uninstall and reinstall it from a download like I might have done with other controllers, because I guess that after uninstalling it my laptop would not work anymore. So how could this be done?
- Made an overnight Memory test (13 passes, no errors, CPU temperature shown as 75-76°C)
- Looked at Win event registers (shows sporadically read errors for certain system files, see above)
- Installed Windows Driver Kit 8.1 (WinDbg) and run the Crashdump analysis (gives :
"BugCheck 7A, {fffff6fc40008ea8, ffffffffc0000185, 8335d860, fffff880011d593c}
Probably caused by : ataport.SYS ( ataport!IdePortDispatchPnp+22 )"- Installed Seatools for Windows (gives me a HDD failure without details and advises to run Seatools for DOS, which I did)
- Created a disk for Seatools for DOS (new version), which does not even see my HDD
- Used the older version which I had burnt some years ago ( does not recognize the disk either)
- Have run DISKMGMT.MSC which says everything is ok
- Have now created the recommended zip file which is attached to the post
What can I do?
Last edited by tuscanguy; 14 Jul 2014 at 12:46.